wp_get_mime_types

The timeline below displays how wordpress function wp_get_mime_types has changed across different WordPress versions. If a version is not listed, refer to the next available version below.

WordPress Version: 6.5

/**
 * Retrieves the list of mime types and file extensions.
 *
 * @since 3.5.0
 * @since 4.2.0 Support was added for GIMP (.xcf) files.
 * @since 4.9.2 Support was added for Flac (.flac) files.
 * @since 4.9.6 Support was added for AAC (.aac) files.
 *
 * @return string[] Array of mime types keyed by the file extension regex corresponding to those types.
 */
function wp_get_mime_types()
{
    /**
     * Filters the list of mime types and file extensions.
     *
     * This filter should be used to add, not remove, mime types. To remove
     * mime types, use the {@see 'upload_mimes'} filter.
     *
     * @since 3.5.0
     *
     * @param string[] $wp_get_mime_types Mime types keyed by the file extension regex
     *                                    corresponding to those types.
     */
    return apply_filters('mime_types', array(
        // Image formats.
        'jpg|jpeg|jpe' => 'image/jpeg',
        'gif' => 'image/gif',
        'png' => 'image/png',
        'bmp' => 'image/bmp',
        'tiff|tif' => 'image/tiff',
        'webp' => 'image/webp',
        'avif' => 'image/avif',
        'ico' => 'image/x-icon',
        'heic' => 'image/heic',
        // Video formats.
        'asf|asx' => 'video/x-ms-asf',
        'wmv' => 'video/x-ms-wmv',
        'wmx' => 'video/x-ms-wmx',
        'wm' => 'video/x-ms-wm',
        'avi' => 'video/avi',
        'divx' => 'video/divx',
        'flv' => 'video/x-flv',
        'mov|qt' => 'video/quicktime',
        'mpeg|mpg|mpe' => 'video/mpeg',
        'mp4|m4v' => 'video/mp4',
        'ogv' => 'video/ogg',
        'webm' => 'video/webm',
        'mkv' => 'video/x-matroska',
        '3gp|3gpp' => 'video/3gpp',
        // Can also be audio.
        '3g2|3gp2' => 'video/3gpp2',
        // Can also be audio.
        // Text formats.
        'txt|asc|c|cc|h|srt' => 'text/plain',
        'csv' => 'text/csv',
        'tsv' => 'text/tab-separated-values',
        'ics' => 'text/calendar',
        'rtx' => 'text/richtext',
        'css' => 'text/css',
        'htm|html' => 'text/html',
        'vtt' => 'text/vtt',
        'dfxp' => 'application/ttaf+xml',
        // Audio formats.
        'mp3|m4a|m4b' => 'audio/mpeg',
        'aac' => 'audio/aac',
        'ra|ram' => 'audio/x-realaudio',
        'wav' => 'audio/wav',
        'ogg|oga' => 'audio/ogg',
        'flac' => 'audio/flac',
        'mid|midi' => 'audio/midi',
        'wma' => 'audio/x-ms-wma',
        'wax' => 'audio/x-ms-wax',
        'mka' => 'audio/x-matroska',
        // Misc application formats.
        'rtf' => 'application/rtf',
        'js' => 'application/javascript',
        'pdf' => 'application/pdf',
        'swf' => 'application/x-shockwave-flash',
        'class' => 'application/java',
        'tar' => 'application/x-tar',
        'zip' => 'application/zip',
        'gz|gzip' => 'application/x-gzip',
        'rar' => 'application/rar',
        '7z' => 'application/x-7z-compressed',
        'exe' => 'application/x-msdownload',
        'psd' => 'application/octet-stream',
        'xcf' => 'application/octet-stream',
        // MS Office formats.
        'doc' => 'application/msword',
        'pot|pps|ppt' => 'application/vnd.ms-powerpoint',
        'wri' => 'application/vnd.ms-write',
        'xla|xls|xlt|xlw' => 'application/vnd.ms-excel',
        'mdb' => 'application/vnd.ms-access',
        'mpp' => 'application/vnd.ms-project',
        'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
        'docm' => 'application/vnd.ms-word.document.macroEnabled.12',
        'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
        'dotm' => 'application/vnd.ms-word.template.macroEnabled.12',
        'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
        'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
        'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
        'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
        'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12',
        'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
        'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
        'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
        'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
        'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',
        'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
        'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12',
        'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12',
        'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
        'sldm' => 'application/vnd.ms-powerpoint.slide.macroEnabled.12',
        'onetoc|onetoc2|onetmp|onepkg' => 'application/onenote',
        'oxps' => 'application/oxps',
        'xps' => 'application/vnd.ms-xpsdocument',
        // OpenOffice formats.
        'odt' => 'application/vnd.oasis.opendocument.text',
        'odp' => 'application/vnd.oasis.opendocument.presentation',
        'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
        'odg' => 'application/vnd.oasis.opendocument.graphics',
        'odc' => 'application/vnd.oasis.opendocument.chart',
        'odb' => 'application/vnd.oasis.opendocument.database',
        'odf' => 'application/vnd.oasis.opendocument.formula',
        // WordPerfect formats.
        'wp|wpd' => 'application/wordperfect',
        // iWork formats.
        'key' => 'application/vnd.apple.keynote',
        'numbers' => 'application/vnd.apple.numbers',
        'pages' => 'application/vnd.apple.pages',
    ));
}

WordPress Version: 6.2

/**
 * Retrieves the list of mime types and file extensions.
 *
 * @since 3.5.0
 * @since 4.2.0 Support was added for GIMP (.xcf) files.
 * @since 4.9.2 Support was added for Flac (.flac) files.
 * @since 4.9.6 Support was added for AAC (.aac) files.
 *
 * @return string[] Array of mime types keyed by the file extension regex corresponding to those types.
 */
function wp_get_mime_types()
{
    /**
     * Filters the list of mime types and file extensions.
     *
     * This filter should be used to add, not remove, mime types. To remove
     * mime types, use the {@see 'upload_mimes'} filter.
     *
     * @since 3.5.0
     *
     * @param string[] $wp_get_mime_types Mime types keyed by the file extension regex
     *                                    corresponding to those types.
     */
    return apply_filters('mime_types', array(
        // Image formats.
        'jpg|jpeg|jpe' => 'image/jpeg',
        'gif' => 'image/gif',
        'png' => 'image/png',
        'bmp' => 'image/bmp',
        'tiff|tif' => 'image/tiff',
        'webp' => 'image/webp',
        'ico' => 'image/x-icon',
        'heic' => 'image/heic',
        // Video formats.
        'asf|asx' => 'video/x-ms-asf',
        'wmv' => 'video/x-ms-wmv',
        'wmx' => 'video/x-ms-wmx',
        'wm' => 'video/x-ms-wm',
        'avi' => 'video/avi',
        'divx' => 'video/divx',
        'flv' => 'video/x-flv',
        'mov|qt' => 'video/quicktime',
        'mpeg|mpg|mpe' => 'video/mpeg',
        'mp4|m4v' => 'video/mp4',
        'ogv' => 'video/ogg',
        'webm' => 'video/webm',
        'mkv' => 'video/x-matroska',
        '3gp|3gpp' => 'video/3gpp',
        // Can also be audio.
        '3g2|3gp2' => 'video/3gpp2',
        // Can also be audio.
        // Text formats.
        'txt|asc|c|cc|h|srt' => 'text/plain',
        'csv' => 'text/csv',
        'tsv' => 'text/tab-separated-values',
        'ics' => 'text/calendar',
        'rtx' => 'text/richtext',
        'css' => 'text/css',
        'htm|html' => 'text/html',
        'vtt' => 'text/vtt',
        'dfxp' => 'application/ttaf+xml',
        // Audio formats.
        'mp3|m4a|m4b' => 'audio/mpeg',
        'aac' => 'audio/aac',
        'ra|ram' => 'audio/x-realaudio',
        'wav' => 'audio/wav',
        'ogg|oga' => 'audio/ogg',
        'flac' => 'audio/flac',
        'mid|midi' => 'audio/midi',
        'wma' => 'audio/x-ms-wma',
        'wax' => 'audio/x-ms-wax',
        'mka' => 'audio/x-matroska',
        // Misc application formats.
        'rtf' => 'application/rtf',
        'js' => 'application/javascript',
        'pdf' => 'application/pdf',
        'swf' => 'application/x-shockwave-flash',
        'class' => 'application/java',
        'tar' => 'application/x-tar',
        'zip' => 'application/zip',
        'gz|gzip' => 'application/x-gzip',
        'rar' => 'application/rar',
        '7z' => 'application/x-7z-compressed',
        'exe' => 'application/x-msdownload',
        'psd' => 'application/octet-stream',
        'xcf' => 'application/octet-stream',
        // MS Office formats.
        'doc' => 'application/msword',
        'pot|pps|ppt' => 'application/vnd.ms-powerpoint',
        'wri' => 'application/vnd.ms-write',
        'xla|xls|xlt|xlw' => 'application/vnd.ms-excel',
        'mdb' => 'application/vnd.ms-access',
        'mpp' => 'application/vnd.ms-project',
        'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
        'docm' => 'application/vnd.ms-word.document.macroEnabled.12',
        'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
        'dotm' => 'application/vnd.ms-word.template.macroEnabled.12',
        'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
        'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
        'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
        'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
        'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12',
        'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
        'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
        'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
        'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
        'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',
        'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
        'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12',
        'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12',
        'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
        'sldm' => 'application/vnd.ms-powerpoint.slide.macroEnabled.12',
        'onetoc|onetoc2|onetmp|onepkg' => 'application/onenote',
        'oxps' => 'application/oxps',
        'xps' => 'application/vnd.ms-xpsdocument',
        // OpenOffice formats.
        'odt' => 'application/vnd.oasis.opendocument.text',
        'odp' => 'application/vnd.oasis.opendocument.presentation',
        'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
        'odg' => 'application/vnd.oasis.opendocument.graphics',
        'odc' => 'application/vnd.oasis.opendocument.chart',
        'odb' => 'application/vnd.oasis.opendocument.database',
        'odf' => 'application/vnd.oasis.opendocument.formula',
        // WordPerfect formats.
        'wp|wpd' => 'application/wordperfect',
        // iWork formats.
        'key' => 'application/vnd.apple.keynote',
        'numbers' => 'application/vnd.apple.numbers',
        'pages' => 'application/vnd.apple.pages',
    ));
}

WordPress Version: 6.1

/**
 * Retrieves the list of mime types and file extensions.
 *
 * @since 3.5.0
 * @since 4.2.0 Support was added for GIMP (.xcf) files.
 * @since 4.9.2 Support was added for Flac (.flac) files.
 * @since 4.9.6 Support was added for AAC (.aac) files.
 *
 * @return string[] Array of mime types keyed by the file extension regex corresponding to those types.
 */
function wp_get_mime_types()
{
    /**
     * Filters the list of mime types and file extensions.
     *
     * This filter should be used to add, not remove, mime types. To remove
     * mime types, use the {@see 'upload_mimes'} filter.
     *
     * @since 3.5.0
     *
     * @param string[] $wp_get_mime_types Mime types keyed by the file extension regex
     *                                 corresponding to those types.
     */
    return apply_filters('mime_types', array(
        // Image formats.
        'jpg|jpeg|jpe' => 'image/jpeg',
        'gif' => 'image/gif',
        'png' => 'image/png',
        'bmp' => 'image/bmp',
        'tiff|tif' => 'image/tiff',
        'webp' => 'image/webp',
        'ico' => 'image/x-icon',
        'heic' => 'image/heic',
        // Video formats.
        'asf|asx' => 'video/x-ms-asf',
        'wmv' => 'video/x-ms-wmv',
        'wmx' => 'video/x-ms-wmx',
        'wm' => 'video/x-ms-wm',
        'avi' => 'video/avi',
        'divx' => 'video/divx',
        'flv' => 'video/x-flv',
        'mov|qt' => 'video/quicktime',
        'mpeg|mpg|mpe' => 'video/mpeg',
        'mp4|m4v' => 'video/mp4',
        'ogv' => 'video/ogg',
        'webm' => 'video/webm',
        'mkv' => 'video/x-matroska',
        '3gp|3gpp' => 'video/3gpp',
        // Can also be audio.
        '3g2|3gp2' => 'video/3gpp2',
        // Can also be audio.
        // Text formats.
        'txt|asc|c|cc|h|srt' => 'text/plain',
        'csv' => 'text/csv',
        'tsv' => 'text/tab-separated-values',
        'ics' => 'text/calendar',
        'rtx' => 'text/richtext',
        'css' => 'text/css',
        'htm|html' => 'text/html',
        'vtt' => 'text/vtt',
        'dfxp' => 'application/ttaf+xml',
        // Audio formats.
        'mp3|m4a|m4b' => 'audio/mpeg',
        'aac' => 'audio/aac',
        'ra|ram' => 'audio/x-realaudio',
        'wav' => 'audio/wav',
        'ogg|oga' => 'audio/ogg',
        'flac' => 'audio/flac',
        'mid|midi' => 'audio/midi',
        'wma' => 'audio/x-ms-wma',
        'wax' => 'audio/x-ms-wax',
        'mka' => 'audio/x-matroska',
        // Misc application formats.
        'rtf' => 'application/rtf',
        'js' => 'application/javascript',
        'pdf' => 'application/pdf',
        'swf' => 'application/x-shockwave-flash',
        'class' => 'application/java',
        'tar' => 'application/x-tar',
        'zip' => 'application/zip',
        'gz|gzip' => 'application/x-gzip',
        'rar' => 'application/rar',
        '7z' => 'application/x-7z-compressed',
        'exe' => 'application/x-msdownload',
        'psd' => 'application/octet-stream',
        'xcf' => 'application/octet-stream',
        // MS Office formats.
        'doc' => 'application/msword',
        'pot|pps|ppt' => 'application/vnd.ms-powerpoint',
        'wri' => 'application/vnd.ms-write',
        'xla|xls|xlt|xlw' => 'application/vnd.ms-excel',
        'mdb' => 'application/vnd.ms-access',
        'mpp' => 'application/vnd.ms-project',
        'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
        'docm' => 'application/vnd.ms-word.document.macroEnabled.12',
        'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
        'dotm' => 'application/vnd.ms-word.template.macroEnabled.12',
        'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
        'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
        'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
        'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
        'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12',
        'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
        'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
        'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
        'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
        'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',
        'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
        'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12',
        'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12',
        'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
        'sldm' => 'application/vnd.ms-powerpoint.slide.macroEnabled.12',
        'onetoc|onetoc2|onetmp|onepkg' => 'application/onenote',
        'oxps' => 'application/oxps',
        'xps' => 'application/vnd.ms-xpsdocument',
        // OpenOffice formats.
        'odt' => 'application/vnd.oasis.opendocument.text',
        'odp' => 'application/vnd.oasis.opendocument.presentation',
        'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
        'odg' => 'application/vnd.oasis.opendocument.graphics',
        'odc' => 'application/vnd.oasis.opendocument.chart',
        'odb' => 'application/vnd.oasis.opendocument.database',
        'odf' => 'application/vnd.oasis.opendocument.formula',
        // WordPerfect formats.
        'wp|wpd' => 'application/wordperfect',
        // iWork formats.
        'key' => 'application/vnd.apple.keynote',
        'numbers' => 'application/vnd.apple.numbers',
        'pages' => 'application/vnd.apple.pages',
    ));
}

WordPress Version: 5.8

/**
 * Retrieve list of mime types and file extensions.
 *
 * @since 3.5.0
 * @since 4.2.0 Support was added for GIMP (.xcf) files.
 * @since 4.9.2 Support was added for Flac (.flac) files.
 * @since 4.9.6 Support was added for AAC (.aac) files.
 *
 * @return string[] Array of mime types keyed by the file extension regex corresponding to those types.
 */
function wp_get_mime_types()
{
    /**
     * Filters the list of mime types and file extensions.
     *
     * This filter should be used to add, not remove, mime types. To remove
     * mime types, use the {@see 'upload_mimes'} filter.
     *
     * @since 3.5.0
     *
     * @param string[] $wp_get_mime_types Mime types keyed by the file extension regex
     *                                 corresponding to those types.
     */
    return apply_filters('mime_types', array(
        // Image formats.
        'jpg|jpeg|jpe' => 'image/jpeg',
        'gif' => 'image/gif',
        'png' => 'image/png',
        'bmp' => 'image/bmp',
        'tiff|tif' => 'image/tiff',
        'webp' => 'image/webp',
        'ico' => 'image/x-icon',
        'heic' => 'image/heic',
        // Video formats.
        'asf|asx' => 'video/x-ms-asf',
        'wmv' => 'video/x-ms-wmv',
        'wmx' => 'video/x-ms-wmx',
        'wm' => 'video/x-ms-wm',
        'avi' => 'video/avi',
        'divx' => 'video/divx',
        'flv' => 'video/x-flv',
        'mov|qt' => 'video/quicktime',
        'mpeg|mpg|mpe' => 'video/mpeg',
        'mp4|m4v' => 'video/mp4',
        'ogv' => 'video/ogg',
        'webm' => 'video/webm',
        'mkv' => 'video/x-matroska',
        '3gp|3gpp' => 'video/3gpp',
        // Can also be audio.
        '3g2|3gp2' => 'video/3gpp2',
        // Can also be audio.
        // Text formats.
        'txt|asc|c|cc|h|srt' => 'text/plain',
        'csv' => 'text/csv',
        'tsv' => 'text/tab-separated-values',
        'ics' => 'text/calendar',
        'rtx' => 'text/richtext',
        'css' => 'text/css',
        'htm|html' => 'text/html',
        'vtt' => 'text/vtt',
        'dfxp' => 'application/ttaf+xml',
        // Audio formats.
        'mp3|m4a|m4b' => 'audio/mpeg',
        'aac' => 'audio/aac',
        'ra|ram' => 'audio/x-realaudio',
        'wav' => 'audio/wav',
        'ogg|oga' => 'audio/ogg',
        'flac' => 'audio/flac',
        'mid|midi' => 'audio/midi',
        'wma' => 'audio/x-ms-wma',
        'wax' => 'audio/x-ms-wax',
        'mka' => 'audio/x-matroska',
        // Misc application formats.
        'rtf' => 'application/rtf',
        'js' => 'application/javascript',
        'pdf' => 'application/pdf',
        'swf' => 'application/x-shockwave-flash',
        'class' => 'application/java',
        'tar' => 'application/x-tar',
        'zip' => 'application/zip',
        'gz|gzip' => 'application/x-gzip',
        'rar' => 'application/rar',
        '7z' => 'application/x-7z-compressed',
        'exe' => 'application/x-msdownload',
        'psd' => 'application/octet-stream',
        'xcf' => 'application/octet-stream',
        // MS Office formats.
        'doc' => 'application/msword',
        'pot|pps|ppt' => 'application/vnd.ms-powerpoint',
        'wri' => 'application/vnd.ms-write',
        'xla|xls|xlt|xlw' => 'application/vnd.ms-excel',
        'mdb' => 'application/vnd.ms-access',
        'mpp' => 'application/vnd.ms-project',
        'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
        'docm' => 'application/vnd.ms-word.document.macroEnabled.12',
        'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
        'dotm' => 'application/vnd.ms-word.template.macroEnabled.12',
        'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
        'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
        'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
        'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
        'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12',
        'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
        'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
        'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
        'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
        'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',
        'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
        'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12',
        'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12',
        'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
        'sldm' => 'application/vnd.ms-powerpoint.slide.macroEnabled.12',
        'onetoc|onetoc2|onetmp|onepkg' => 'application/onenote',
        'oxps' => 'application/oxps',
        'xps' => 'application/vnd.ms-xpsdocument',
        // OpenOffice formats.
        'odt' => 'application/vnd.oasis.opendocument.text',
        'odp' => 'application/vnd.oasis.opendocument.presentation',
        'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
        'odg' => 'application/vnd.oasis.opendocument.graphics',
        'odc' => 'application/vnd.oasis.opendocument.chart',
        'odb' => 'application/vnd.oasis.opendocument.database',
        'odf' => 'application/vnd.oasis.opendocument.formula',
        // WordPerfect formats.
        'wp|wpd' => 'application/wordperfect',
        // iWork formats.
        'key' => 'application/vnd.apple.keynote',
        'numbers' => 'application/vnd.apple.numbers',
        'pages' => 'application/vnd.apple.pages',
    ));
}

WordPress Version: 5.5

/**
 * Retrieve list of mime types and file extensions.
 *
 * @since 3.5.0
 * @since 4.2.0 Support was added for GIMP (.xcf) files.
 * @since 4.9.2 Support was added for Flac (.flac) files.
 * @since 4.9.6 Support was added for AAC (.aac) files.
 *
 * @return string[] Array of mime types keyed by the file extension regex corresponding to those types.
 */
function wp_get_mime_types()
{
    /**
     * Filters the list of mime types and file extensions.
     *
     * This filter should be used to add, not remove, mime types. To remove
     * mime types, use the {@see 'upload_mimes'} filter.
     *
     * @since 3.5.0
     *
     * @param string[] $wp_get_mime_types Mime types keyed by the file extension regex
     *                                 corresponding to those types.
     */
    return apply_filters('mime_types', array(
        // Image formats.
        'jpg|jpeg|jpe' => 'image/jpeg',
        'gif' => 'image/gif',
        'png' => 'image/png',
        'bmp' => 'image/bmp',
        'tiff|tif' => 'image/tiff',
        'ico' => 'image/x-icon',
        'heic' => 'image/heic',
        // Video formats.
        'asf|asx' => 'video/x-ms-asf',
        'wmv' => 'video/x-ms-wmv',
        'wmx' => 'video/x-ms-wmx',
        'wm' => 'video/x-ms-wm',
        'avi' => 'video/avi',
        'divx' => 'video/divx',
        'flv' => 'video/x-flv',
        'mov|qt' => 'video/quicktime',
        'mpeg|mpg|mpe' => 'video/mpeg',
        'mp4|m4v' => 'video/mp4',
        'ogv' => 'video/ogg',
        'webm' => 'video/webm',
        'mkv' => 'video/x-matroska',
        '3gp|3gpp' => 'video/3gpp',
        // Can also be audio.
        '3g2|3gp2' => 'video/3gpp2',
        // Can also be audio.
        // Text formats.
        'txt|asc|c|cc|h|srt' => 'text/plain',
        'csv' => 'text/csv',
        'tsv' => 'text/tab-separated-values',
        'ics' => 'text/calendar',
        'rtx' => 'text/richtext',
        'css' => 'text/css',
        'htm|html' => 'text/html',
        'vtt' => 'text/vtt',
        'dfxp' => 'application/ttaf+xml',
        // Audio formats.
        'mp3|m4a|m4b' => 'audio/mpeg',
        'aac' => 'audio/aac',
        'ra|ram' => 'audio/x-realaudio',
        'wav' => 'audio/wav',
        'ogg|oga' => 'audio/ogg',
        'flac' => 'audio/flac',
        'mid|midi' => 'audio/midi',
        'wma' => 'audio/x-ms-wma',
        'wax' => 'audio/x-ms-wax',
        'mka' => 'audio/x-matroska',
        // Misc application formats.
        'rtf' => 'application/rtf',
        'js' => 'application/javascript',
        'pdf' => 'application/pdf',
        'swf' => 'application/x-shockwave-flash',
        'class' => 'application/java',
        'tar' => 'application/x-tar',
        'zip' => 'application/zip',
        'gz|gzip' => 'application/x-gzip',
        'rar' => 'application/rar',
        '7z' => 'application/x-7z-compressed',
        'exe' => 'application/x-msdownload',
        'psd' => 'application/octet-stream',
        'xcf' => 'application/octet-stream',
        // MS Office formats.
        'doc' => 'application/msword',
        'pot|pps|ppt' => 'application/vnd.ms-powerpoint',
        'wri' => 'application/vnd.ms-write',
        'xla|xls|xlt|xlw' => 'application/vnd.ms-excel',
        'mdb' => 'application/vnd.ms-access',
        'mpp' => 'application/vnd.ms-project',
        'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
        'docm' => 'application/vnd.ms-word.document.macroEnabled.12',
        'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
        'dotm' => 'application/vnd.ms-word.template.macroEnabled.12',
        'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
        'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
        'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
        'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
        'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12',
        'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
        'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
        'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
        'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
        'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',
        'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
        'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12',
        'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12',
        'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
        'sldm' => 'application/vnd.ms-powerpoint.slide.macroEnabled.12',
        'onetoc|onetoc2|onetmp|onepkg' => 'application/onenote',
        'oxps' => 'application/oxps',
        'xps' => 'application/vnd.ms-xpsdocument',
        // OpenOffice formats.
        'odt' => 'application/vnd.oasis.opendocument.text',
        'odp' => 'application/vnd.oasis.opendocument.presentation',
        'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
        'odg' => 'application/vnd.oasis.opendocument.graphics',
        'odc' => 'application/vnd.oasis.opendocument.chart',
        'odb' => 'application/vnd.oasis.opendocument.database',
        'odf' => 'application/vnd.oasis.opendocument.formula',
        // WordPerfect formats.
        'wp|wpd' => 'application/wordperfect',
        // iWork formats.
        'key' => 'application/vnd.apple.keynote',
        'numbers' => 'application/vnd.apple.numbers',
        'pages' => 'application/vnd.apple.pages',
    ));
}

WordPress Version: 5.4

/**
 * Retrieve list of mime types and file extensions.
 *
 * @since 3.5.0
 * @since 4.2.0 Support was added for GIMP (.xcf) files.
 * @since 4.9.2 Support was added for Flac (.flac) files.
 * @since 4.9.6 Support was added for AAC (.aac) files.
 *
 * @return string[] Array of mime types keyed by the file extension regex corresponding to those types.
 */
function wp_get_mime_types()
{
    /**
     * Filters the list of mime types and file extensions.
     *
     * This filter should be used to add, not remove, mime types. To remove
     * mime types, use the {@see 'upload_mimes'} filter.
     *
     * @since 3.5.0
     *
     * @param string[] $wp_get_mime_types Mime types keyed by the file extension regex
     *                                 corresponding to those types.
     */
    return apply_filters('mime_types', array(
        // Image formats.
        'jpg|jpeg|jpe' => 'image/jpeg',
        'gif' => 'image/gif',
        'png' => 'image/png',
        'bmp' => 'image/bmp',
        'tiff|tif' => 'image/tiff',
        'ico' => 'image/x-icon',
        // Video formats.
        'asf|asx' => 'video/x-ms-asf',
        'wmv' => 'video/x-ms-wmv',
        'wmx' => 'video/x-ms-wmx',
        'wm' => 'video/x-ms-wm',
        'avi' => 'video/avi',
        'divx' => 'video/divx',
        'flv' => 'video/x-flv',
        'mov|qt' => 'video/quicktime',
        'mpeg|mpg|mpe' => 'video/mpeg',
        'mp4|m4v' => 'video/mp4',
        'ogv' => 'video/ogg',
        'webm' => 'video/webm',
        'mkv' => 'video/x-matroska',
        '3gp|3gpp' => 'video/3gpp',
        // Can also be audio.
        '3g2|3gp2' => 'video/3gpp2',
        // Can also be audio.
        // Text formats.
        'txt|asc|c|cc|h|srt' => 'text/plain',
        'csv' => 'text/csv',
        'tsv' => 'text/tab-separated-values',
        'ics' => 'text/calendar',
        'rtx' => 'text/richtext',
        'css' => 'text/css',
        'htm|html' => 'text/html',
        'vtt' => 'text/vtt',
        'dfxp' => 'application/ttaf+xml',
        // Audio formats.
        'mp3|m4a|m4b' => 'audio/mpeg',
        'aac' => 'audio/aac',
        'ra|ram' => 'audio/x-realaudio',
        'wav' => 'audio/wav',
        'ogg|oga' => 'audio/ogg',
        'flac' => 'audio/flac',
        'mid|midi' => 'audio/midi',
        'wma' => 'audio/x-ms-wma',
        'wax' => 'audio/x-ms-wax',
        'mka' => 'audio/x-matroska',
        // Misc application formats.
        'rtf' => 'application/rtf',
        'js' => 'application/javascript',
        'pdf' => 'application/pdf',
        'swf' => 'application/x-shockwave-flash',
        'class' => 'application/java',
        'tar' => 'application/x-tar',
        'zip' => 'application/zip',
        'gz|gzip' => 'application/x-gzip',
        'rar' => 'application/rar',
        '7z' => 'application/x-7z-compressed',
        'exe' => 'application/x-msdownload',
        'psd' => 'application/octet-stream',
        'xcf' => 'application/octet-stream',
        // MS Office formats.
        'doc' => 'application/msword',
        'pot|pps|ppt' => 'application/vnd.ms-powerpoint',
        'wri' => 'application/vnd.ms-write',
        'xla|xls|xlt|xlw' => 'application/vnd.ms-excel',
        'mdb' => 'application/vnd.ms-access',
        'mpp' => 'application/vnd.ms-project',
        'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
        'docm' => 'application/vnd.ms-word.document.macroEnabled.12',
        'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
        'dotm' => 'application/vnd.ms-word.template.macroEnabled.12',
        'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
        'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
        'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
        'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
        'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12',
        'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
        'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
        'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
        'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
        'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',
        'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
        'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12',
        'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12',
        'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
        'sldm' => 'application/vnd.ms-powerpoint.slide.macroEnabled.12',
        'onetoc|onetoc2|onetmp|onepkg' => 'application/onenote',
        'oxps' => 'application/oxps',
        'xps' => 'application/vnd.ms-xpsdocument',
        // OpenOffice formats.
        'odt' => 'application/vnd.oasis.opendocument.text',
        'odp' => 'application/vnd.oasis.opendocument.presentation',
        'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
        'odg' => 'application/vnd.oasis.opendocument.graphics',
        'odc' => 'application/vnd.oasis.opendocument.chart',
        'odb' => 'application/vnd.oasis.opendocument.database',
        'odf' => 'application/vnd.oasis.opendocument.formula',
        // WordPerfect formats.
        'wp|wpd' => 'application/wordperfect',
        // iWork formats.
        'key' => 'application/vnd.apple.keynote',
        'numbers' => 'application/vnd.apple.numbers',
        'pages' => 'application/vnd.apple.pages',
    ));
}

WordPress Version: 9.6

/**
 * Retrieve list of mime types and file extensions.
 *
 * @since 3.5.0
 * @since 4.2.0 Support was added for GIMP (xcf) files.
 *
 * @return array Array of mime types keyed by the file extension regex corresponding to those types.
 */
function wp_get_mime_types()
{
    /**
     * Filters the list of mime types and file extensions.
     *
     * This filter should be used to add, not remove, mime types. To remove
     * mime types, use the {@see 'upload_mimes'} filter.
     *
     * @since 3.5.0
     *
     * @param array $wp_get_mime_types Mime types keyed by the file extension regex
     *                                 corresponding to those types.
     */
    return apply_filters('mime_types', array(
        // Image formats.
        'jpg|jpeg|jpe' => 'image/jpeg',
        'gif' => 'image/gif',
        'png' => 'image/png',
        'bmp' => 'image/bmp',
        'tiff|tif' => 'image/tiff',
        'ico' => 'image/x-icon',
        // Video formats.
        'asf|asx' => 'video/x-ms-asf',
        'wmv' => 'video/x-ms-wmv',
        'wmx' => 'video/x-ms-wmx',
        'wm' => 'video/x-ms-wm',
        'avi' => 'video/avi',
        'divx' => 'video/divx',
        'flv' => 'video/x-flv',
        'mov|qt' => 'video/quicktime',
        'mpeg|mpg|mpe' => 'video/mpeg',
        'mp4|m4v' => 'video/mp4',
        'ogv' => 'video/ogg',
        'webm' => 'video/webm',
        'mkv' => 'video/x-matroska',
        '3gp|3gpp' => 'video/3gpp',
        // Can also be audio
        '3g2|3gp2' => 'video/3gpp2',
        // Can also be audio
        // Text formats.
        'txt|asc|c|cc|h|srt' => 'text/plain',
        'csv' => 'text/csv',
        'tsv' => 'text/tab-separated-values',
        'ics' => 'text/calendar',
        'rtx' => 'text/richtext',
        'css' => 'text/css',
        'htm|html' => 'text/html',
        'vtt' => 'text/vtt',
        'dfxp' => 'application/ttaf+xml',
        // Audio formats.
        'mp3|m4a|m4b' => 'audio/mpeg',
        'aac' => 'audio/aac',
        'ra|ram' => 'audio/x-realaudio',
        'wav' => 'audio/wav',
        'ogg|oga' => 'audio/ogg',
        'flac' => 'audio/flac',
        'mid|midi' => 'audio/midi',
        'wma' => 'audio/x-ms-wma',
        'wax' => 'audio/x-ms-wax',
        'mka' => 'audio/x-matroska',
        // Misc application formats.
        'rtf' => 'application/rtf',
        'js' => 'application/javascript',
        'pdf' => 'application/pdf',
        'swf' => 'application/x-shockwave-flash',
        'class' => 'application/java',
        'tar' => 'application/x-tar',
        'zip' => 'application/zip',
        'gz|gzip' => 'application/x-gzip',
        'rar' => 'application/rar',
        '7z' => 'application/x-7z-compressed',
        'exe' => 'application/x-msdownload',
        'psd' => 'application/octet-stream',
        'xcf' => 'application/octet-stream',
        // MS Office formats.
        'doc' => 'application/msword',
        'pot|pps|ppt' => 'application/vnd.ms-powerpoint',
        'wri' => 'application/vnd.ms-write',
        'xla|xls|xlt|xlw' => 'application/vnd.ms-excel',
        'mdb' => 'application/vnd.ms-access',
        'mpp' => 'application/vnd.ms-project',
        'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
        'docm' => 'application/vnd.ms-word.document.macroEnabled.12',
        'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
        'dotm' => 'application/vnd.ms-word.template.macroEnabled.12',
        'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
        'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
        'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
        'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
        'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12',
        'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
        'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
        'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
        'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
        'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',
        'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
        'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12',
        'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12',
        'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
        'sldm' => 'application/vnd.ms-powerpoint.slide.macroEnabled.12',
        'onetoc|onetoc2|onetmp|onepkg' => 'application/onenote',
        'oxps' => 'application/oxps',
        'xps' => 'application/vnd.ms-xpsdocument',
        // OpenOffice formats.
        'odt' => 'application/vnd.oasis.opendocument.text',
        'odp' => 'application/vnd.oasis.opendocument.presentation',
        'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
        'odg' => 'application/vnd.oasis.opendocument.graphics',
        'odc' => 'application/vnd.oasis.opendocument.chart',
        'odb' => 'application/vnd.oasis.opendocument.database',
        'odf' => 'application/vnd.oasis.opendocument.formula',
        // WordPerfect formats.
        'wp|wpd' => 'application/wordperfect',
        // iWork formats.
        'key' => 'application/vnd.apple.keynote',
        'numbers' => 'application/vnd.apple.numbers',
        'pages' => 'application/vnd.apple.pages',
    ));
}

WordPress Version: 9.3

/**
 * Retrieve list of mime types and file extensions.
 *
 * @since 3.5.0
 * @since 4.2.0 Support was added for GIMP (xcf) files.
 *
 * @return array Array of mime types keyed by the file extension regex corresponding to those types.
 */
function wp_get_mime_types()
{
    /**
     * Filters the list of mime types and file extensions.
     *
     * This filter should be used to add, not remove, mime types. To remove
     * mime types, use the {@see 'upload_mimes'} filter.
     *
     * @since 3.5.0
     *
     * @param array $wp_get_mime_types Mime types keyed by the file extension regex
     *                                 corresponding to those types.
     */
    return apply_filters('mime_types', array(
        // Image formats.
        'jpg|jpeg|jpe' => 'image/jpeg',
        'gif' => 'image/gif',
        'png' => 'image/png',
        'bmp' => 'image/bmp',
        'tiff|tif' => 'image/tiff',
        'ico' => 'image/x-icon',
        // Video formats.
        'asf|asx' => 'video/x-ms-asf',
        'wmv' => 'video/x-ms-wmv',
        'wmx' => 'video/x-ms-wmx',
        'wm' => 'video/x-ms-wm',
        'avi' => 'video/avi',
        'divx' => 'video/divx',
        'flv' => 'video/x-flv',
        'mov|qt' => 'video/quicktime',
        'mpeg|mpg|mpe' => 'video/mpeg',
        'mp4|m4v' => 'video/mp4',
        'ogv' => 'video/ogg',
        'webm' => 'video/webm',
        'mkv' => 'video/x-matroska',
        '3gp|3gpp' => 'video/3gpp',
        // Can also be audio
        '3g2|3gp2' => 'video/3gpp2',
        // Can also be audio
        // Text formats.
        'txt|asc|c|cc|h|srt' => 'text/plain',
        'csv' => 'text/csv',
        'tsv' => 'text/tab-separated-values',
        'ics' => 'text/calendar',
        'rtx' => 'text/richtext',
        'css' => 'text/css',
        'htm|html' => 'text/html',
        'vtt' => 'text/vtt',
        'dfxp' => 'application/ttaf+xml',
        // Audio formats.
        'mp3|m4a|m4b' => 'audio/mpeg',
        'ra|ram' => 'audio/x-realaudio',
        'wav' => 'audio/wav',
        'ogg|oga' => 'audio/ogg',
        'flac' => 'audio/flac',
        'mid|midi' => 'audio/midi',
        'wma' => 'audio/x-ms-wma',
        'wax' => 'audio/x-ms-wax',
        'mka' => 'audio/x-matroska',
        // Misc application formats.
        'rtf' => 'application/rtf',
        'js' => 'application/javascript',
        'pdf' => 'application/pdf',
        'swf' => 'application/x-shockwave-flash',
        'class' => 'application/java',
        'tar' => 'application/x-tar',
        'zip' => 'application/zip',
        'gz|gzip' => 'application/x-gzip',
        'rar' => 'application/rar',
        '7z' => 'application/x-7z-compressed',
        'exe' => 'application/x-msdownload',
        'psd' => 'application/octet-stream',
        'xcf' => 'application/octet-stream',
        // MS Office formats.
        'doc' => 'application/msword',
        'pot|pps|ppt' => 'application/vnd.ms-powerpoint',
        'wri' => 'application/vnd.ms-write',
        'xla|xls|xlt|xlw' => 'application/vnd.ms-excel',
        'mdb' => 'application/vnd.ms-access',
        'mpp' => 'application/vnd.ms-project',
        'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
        'docm' => 'application/vnd.ms-word.document.macroEnabled.12',
        'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
        'dotm' => 'application/vnd.ms-word.template.macroEnabled.12',
        'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
        'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
        'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
        'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
        'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12',
        'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
        'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
        'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
        'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
        'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',
        'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
        'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12',
        'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12',
        'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
        'sldm' => 'application/vnd.ms-powerpoint.slide.macroEnabled.12',
        'onetoc|onetoc2|onetmp|onepkg' => 'application/onenote',
        'oxps' => 'application/oxps',
        'xps' => 'application/vnd.ms-xpsdocument',
        // OpenOffice formats.
        'odt' => 'application/vnd.oasis.opendocument.text',
        'odp' => 'application/vnd.oasis.opendocument.presentation',
        'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
        'odg' => 'application/vnd.oasis.opendocument.graphics',
        'odc' => 'application/vnd.oasis.opendocument.chart',
        'odb' => 'application/vnd.oasis.opendocument.database',
        'odf' => 'application/vnd.oasis.opendocument.formula',
        // WordPerfect formats.
        'wp|wpd' => 'application/wordperfect',
        // iWork formats.
        'key' => 'application/vnd.apple.keynote',
        'numbers' => 'application/vnd.apple.numbers',
        'pages' => 'application/vnd.apple.pages',
    ));
}

WordPress Version: .20

/**
 * Retrieve list of mime types and file extensions.
 *
 * @since 3.5.0
 * @since 4.2.0 Support was added for GIMP (xcf) files.
 *
 * @return array Array of mime types keyed by the file extension regex corresponding to those types.
 */
function wp_get_mime_types()
{
    /**
     * Filters the list of mime types and file extensions.
     *
     * This filter should be used to add, not remove, mime types. To remove
     * mime types, use the {@see 'upload_mimes'} filter.
     *
     * @since 3.5.0
     *
     * @param array $wp_get_mime_types Mime types keyed by the file extension regex
     *                                 corresponding to those types.
     */
    return apply_filters('mime_types', array(
        // Image formats.
        'jpg|jpeg|jpe' => 'image/jpeg',
        'gif' => 'image/gif',
        'png' => 'image/png',
        'bmp' => 'image/bmp',
        'tiff|tif' => 'image/tiff',
        'ico' => 'image/x-icon',
        // Video formats.
        'asf|asx' => 'video/x-ms-asf',
        'wmv' => 'video/x-ms-wmv',
        'wmx' => 'video/x-ms-wmx',
        'wm' => 'video/x-ms-wm',
        'avi' => 'video/avi',
        'divx' => 'video/divx',
        'flv' => 'video/x-flv',
        'mov|qt' => 'video/quicktime',
        'mpeg|mpg|mpe' => 'video/mpeg',
        'mp4|m4v' => 'video/mp4',
        'ogv' => 'video/ogg',
        'webm' => 'video/webm',
        'mkv' => 'video/x-matroska',
        '3gp|3gpp' => 'video/3gpp',
        // Can also be audio
        '3g2|3gp2' => 'video/3gpp2',
        // Can also be audio
        // Text formats.
        'txt|asc|c|cc|h|srt' => 'text/plain',
        'csv' => 'text/csv',
        'tsv' => 'text/tab-separated-values',
        'ics' => 'text/calendar',
        'rtx' => 'text/richtext',
        'css' => 'text/css',
        'htm|html' => 'text/html',
        'vtt' => 'text/vtt',
        'dfxp' => 'application/ttaf+xml',
        // Audio formats.
        'mp3|m4a|m4b' => 'audio/mpeg',
        'aac' => 'audio/aac',
        'ra|ram' => 'audio/x-realaudio',
        'wav' => 'audio/wav',
        'ogg|oga' => 'audio/ogg',
        'flac' => 'audio/flac',
        'mid|midi' => 'audio/midi',
        'wma' => 'audio/x-ms-wma',
        'wax' => 'audio/x-ms-wax',
        'mka' => 'audio/x-matroska',
        // Misc application formats.
        'rtf' => 'application/rtf',
        'js' => 'application/javascript',
        'pdf' => 'application/pdf',
        'swf' => 'application/x-shockwave-flash',
        'class' => 'application/java',
        'tar' => 'application/x-tar',
        'zip' => 'application/zip',
        'gz|gzip' => 'application/x-gzip',
        'rar' => 'application/rar',
        '7z' => 'application/x-7z-compressed',
        'exe' => 'application/x-msdownload',
        'psd' => 'application/octet-stream',
        'xcf' => 'application/octet-stream',
        // MS Office formats.
        'doc' => 'application/msword',
        'pot|pps|ppt' => 'application/vnd.ms-powerpoint',
        'wri' => 'application/vnd.ms-write',
        'xla|xls|xlt|xlw' => 'application/vnd.ms-excel',
        'mdb' => 'application/vnd.ms-access',
        'mpp' => 'application/vnd.ms-project',
        'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
        'docm' => 'application/vnd.ms-word.document.macroEnabled.12',
        'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
        'dotm' => 'application/vnd.ms-word.template.macroEnabled.12',
        'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
        'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
        'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
        'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
        'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12',
        'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
        'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
        'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
        'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
        'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',
        'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
        'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12',
        'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12',
        'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
        'sldm' => 'application/vnd.ms-powerpoint.slide.macroEnabled.12',
        'onetoc|onetoc2|onetmp|onepkg' => 'application/onenote',
        'oxps' => 'application/oxps',
        'xps' => 'application/vnd.ms-xpsdocument',
        // OpenOffice formats.
        'odt' => 'application/vnd.oasis.opendocument.text',
        'odp' => 'application/vnd.oasis.opendocument.presentation',
        'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
        'odg' => 'application/vnd.oasis.opendocument.graphics',
        'odc' => 'application/vnd.oasis.opendocument.chart',
        'odb' => 'application/vnd.oasis.opendocument.database',
        'odf' => 'application/vnd.oasis.opendocument.formula',
        // WordPerfect formats.
        'wp|wpd' => 'application/wordperfect',
        // iWork formats.
        'key' => 'application/vnd.apple.keynote',
        'numbers' => 'application/vnd.apple.numbers',
        'pages' => 'application/vnd.apple.pages',
    ));
}

WordPress Version: 9.2

/**
 * Retrieve list of mime types and file extensions.
 *
 * @since 3.5.0
 * @since 4.2.0 Support was added for GIMP (xcf) files.
 *
 * @return array Array of mime types keyed by the file extension regex corresponding to those types.
 */
function wp_get_mime_types()
{
    /**
     * Filters the list of mime types and file extensions.
     *
     * This filter should be used to add, not remove, mime types. To remove
     * mime types, use the {@see 'upload_mimes'} filter.
     *
     * @since 3.5.0
     *
     * @param array $wp_get_mime_types Mime types keyed by the file extension regex
     *                                 corresponding to those types.
     */
    return apply_filters('mime_types', array(
        // Image formats.
        'jpg|jpeg|jpe' => 'image/jpeg',
        'gif' => 'image/gif',
        'png' => 'image/png',
        'bmp' => 'image/bmp',
        'tiff|tif' => 'image/tiff',
        'ico' => 'image/x-icon',
        // Video formats.
        'asf|asx' => 'video/x-ms-asf',
        'wmv' => 'video/x-ms-wmv',
        'wmx' => 'video/x-ms-wmx',
        'wm' => 'video/x-ms-wm',
        'avi' => 'video/avi',
        'divx' => 'video/divx',
        'flv' => 'video/x-flv',
        'mov|qt' => 'video/quicktime',
        'mpeg|mpg|mpe' => 'video/mpeg',
        'mp4|m4v' => 'video/mp4',
        'ogv' => 'video/ogg',
        'webm' => 'video/webm',
        'mkv' => 'video/x-matroska',
        '3gp|3gpp' => 'video/3gpp',
        // Can also be audio
        '3g2|3gp2' => 'video/3gpp2',
        // Can also be audio
        // Text formats.
        'txt|asc|c|cc|h|srt' => 'text/plain',
        'csv' => 'text/csv',
        'tsv' => 'text/tab-separated-values',
        'ics' => 'text/calendar',
        'rtx' => 'text/richtext',
        'css' => 'text/css',
        'htm|html' => 'text/html',
        'vtt' => 'text/vtt',
        'dfxp' => 'application/ttaf+xml',
        // Audio formats.
        'mp3|m4a|m4b' => 'audio/mpeg',
        'ra|ram' => 'audio/x-realaudio',
        'wav' => 'audio/wav',
        'ogg|oga' => 'audio/ogg',
        'flac' => 'audio/flac',
        'mid|midi' => 'audio/midi',
        'wma' => 'audio/x-ms-wma',
        'wax' => 'audio/x-ms-wax',
        'mka' => 'audio/x-matroska',
        // Misc application formats.
        'rtf' => 'application/rtf',
        'js' => 'application/javascript',
        'pdf' => 'application/pdf',
        'swf' => 'application/x-shockwave-flash',
        'class' => 'application/java',
        'tar' => 'application/x-tar',
        'zip' => 'application/zip',
        'gz|gzip' => 'application/x-gzip',
        'rar' => 'application/rar',
        '7z' => 'application/x-7z-compressed',
        'exe' => 'application/x-msdownload',
        'psd' => 'application/octet-stream',
        'xcf' => 'application/octet-stream',
        // MS Office formats.
        'doc' => 'application/msword',
        'pot|pps|ppt' => 'application/vnd.ms-powerpoint',
        'wri' => 'application/vnd.ms-write',
        'xla|xls|xlt|xlw' => 'application/vnd.ms-excel',
        'mdb' => 'application/vnd.ms-access',
        'mpp' => 'application/vnd.ms-project',
        'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
        'docm' => 'application/vnd.ms-word.document.macroEnabled.12',
        'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
        'dotm' => 'application/vnd.ms-word.template.macroEnabled.12',
        'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
        'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
        'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
        'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
        'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12',
        'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
        'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
        'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
        'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
        'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',
        'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
        'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12',
        'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12',
        'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
        'sldm' => 'application/vnd.ms-powerpoint.slide.macroEnabled.12',
        'onetoc|onetoc2|onetmp|onepkg' => 'application/onenote',
        'oxps' => 'application/oxps',
        'xps' => 'application/vnd.ms-xpsdocument',
        // OpenOffice formats.
        'odt' => 'application/vnd.oasis.opendocument.text',
        'odp' => 'application/vnd.oasis.opendocument.presentation',
        'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
        'odg' => 'application/vnd.oasis.opendocument.graphics',
        'odc' => 'application/vnd.oasis.opendocument.chart',
        'odb' => 'application/vnd.oasis.opendocument.database',
        'odf' => 'application/vnd.oasis.opendocument.formula',
        // WordPerfect formats.
        'wp|wpd' => 'application/wordperfect',
        // iWork formats.
        'key' => 'application/vnd.apple.keynote',
        'numbers' => 'application/vnd.apple.numbers',
        'pages' => 'application/vnd.apple.pages',
    ));
}

WordPress Version: .10

/**
 * Retrieve list of mime types and file extensions.
 *
 * @since 3.5.0
 * @since 4.2.0 Support was added for GIMP (xcf) files.
 *
 * @return array Array of mime types keyed by the file extension regex corresponding to those types.
 */
function wp_get_mime_types()
{
    /**
     * Filters the list of mime types and file extensions.
     *
     * This filter should be used to add, not remove, mime types. To remove
     * mime types, use the {@see 'upload_mimes'} filter.
     *
     * @since 3.5.0
     *
     * @param array $wp_get_mime_types Mime types keyed by the file extension regex
     *                                 corresponding to those types.
     */
    return apply_filters('mime_types', array(
        // Image formats.
        'jpg|jpeg|jpe' => 'image/jpeg',
        'gif' => 'image/gif',
        'png' => 'image/png',
        'bmp' => 'image/bmp',
        'tiff|tif' => 'image/tiff',
        'ico' => 'image/x-icon',
        // Video formats.
        'asf|asx' => 'video/x-ms-asf',
        'wmv' => 'video/x-ms-wmv',
        'wmx' => 'video/x-ms-wmx',
        'wm' => 'video/x-ms-wm',
        'avi' => 'video/avi',
        'divx' => 'video/divx',
        'flv' => 'video/x-flv',
        'mov|qt' => 'video/quicktime',
        'mpeg|mpg|mpe' => 'video/mpeg',
        'mp4|m4v' => 'video/mp4',
        'ogv' => 'video/ogg',
        'webm' => 'video/webm',
        'mkv' => 'video/x-matroska',
        '3gp|3gpp' => 'video/3gpp',
        // Can also be audio
        '3g2|3gp2' => 'video/3gpp2',
        // Can also be audio
        // Text formats.
        'txt|asc|c|cc|h|srt' => 'text/plain',
        'csv' => 'text/csv',
        'tsv' => 'text/tab-separated-values',
        'ics' => 'text/calendar',
        'rtx' => 'text/richtext',
        'css' => 'text/css',
        'htm|html' => 'text/html',
        'vtt' => 'text/vtt',
        'dfxp' => 'application/ttaf+xml',
        // Audio formats.
        'mp3|m4a|m4b' => 'audio/mpeg',
        'aac' => 'audio/aac',
        'ra|ram' => 'audio/x-realaudio',
        'wav' => 'audio/wav',
        'ogg|oga' => 'audio/ogg',
        'flac' => 'audio/flac',
        'mid|midi' => 'audio/midi',
        'wma' => 'audio/x-ms-wma',
        'wax' => 'audio/x-ms-wax',
        'mka' => 'audio/x-matroska',
        // Misc application formats.
        'rtf' => 'application/rtf',
        'js' => 'application/javascript',
        'pdf' => 'application/pdf',
        'swf' => 'application/x-shockwave-flash',
        'class' => 'application/java',
        'tar' => 'application/x-tar',
        'zip' => 'application/zip',
        'gz|gzip' => 'application/x-gzip',
        'rar' => 'application/rar',
        '7z' => 'application/x-7z-compressed',
        'exe' => 'application/x-msdownload',
        'psd' => 'application/octet-stream',
        'xcf' => 'application/octet-stream',
        // MS Office formats.
        'doc' => 'application/msword',
        'pot|pps|ppt' => 'application/vnd.ms-powerpoint',
        'wri' => 'application/vnd.ms-write',
        'xla|xls|xlt|xlw' => 'application/vnd.ms-excel',
        'mdb' => 'application/vnd.ms-access',
        'mpp' => 'application/vnd.ms-project',
        'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
        'docm' => 'application/vnd.ms-word.document.macroEnabled.12',
        'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
        'dotm' => 'application/vnd.ms-word.template.macroEnabled.12',
        'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
        'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
        'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
        'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
        'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12',
        'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
        'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
        'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
        'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
        'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',
        'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
        'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12',
        'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12',
        'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
        'sldm' => 'application/vnd.ms-powerpoint.slide.macroEnabled.12',
        'onetoc|onetoc2|onetmp|onepkg' => 'application/onenote',
        'oxps' => 'application/oxps',
        'xps' => 'application/vnd.ms-xpsdocument',
        // OpenOffice formats.
        'odt' => 'application/vnd.oasis.opendocument.text',
        'odp' => 'application/vnd.oasis.opendocument.presentation',
        'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
        'odg' => 'application/vnd.oasis.opendocument.graphics',
        'odc' => 'application/vnd.oasis.opendocument.chart',
        'odb' => 'application/vnd.oasis.opendocument.database',
        'odf' => 'application/vnd.oasis.opendocument.formula',
        // WordPerfect formats.
        'wp|wpd' => 'application/wordperfect',
        // iWork formats.
        'key' => 'application/vnd.apple.keynote',
        'numbers' => 'application/vnd.apple.numbers',
        'pages' => 'application/vnd.apple.pages',
    ));
}

WordPress Version: 4.6

/**
 * Retrieve list of mime types and file extensions.
 *
 * @since 3.5.0
 * @since 4.2.0 Support was added for GIMP (xcf) files.
 *
 * @return array Array of mime types keyed by the file extension regex corresponding to those types.
 */
function wp_get_mime_types()
{
    /**
     * Filters the list of mime types and file extensions.
     *
     * This filter should be used to add, not remove, mime types. To remove
     * mime types, use the {@see 'upload_mimes'} filter.
     *
     * @since 3.5.0
     *
     * @param array $wp_get_mime_types Mime types keyed by the file extension regex
     *                                 corresponding to those types.
     */
    return apply_filters('mime_types', array(
        // Image formats.
        'jpg|jpeg|jpe' => 'image/jpeg',
        'gif' => 'image/gif',
        'png' => 'image/png',
        'bmp' => 'image/bmp',
        'tiff|tif' => 'image/tiff',
        'ico' => 'image/x-icon',
        // Video formats.
        'asf|asx' => 'video/x-ms-asf',
        'wmv' => 'video/x-ms-wmv',
        'wmx' => 'video/x-ms-wmx',
        'wm' => 'video/x-ms-wm',
        'avi' => 'video/avi',
        'divx' => 'video/divx',
        'flv' => 'video/x-flv',
        'mov|qt' => 'video/quicktime',
        'mpeg|mpg|mpe' => 'video/mpeg',
        'mp4|m4v' => 'video/mp4',
        'ogv' => 'video/ogg',
        'webm' => 'video/webm',
        'mkv' => 'video/x-matroska',
        '3gp|3gpp' => 'video/3gpp',
        // Can also be audio
        '3g2|3gp2' => 'video/3gpp2',
        // Can also be audio
        // Text formats.
        'txt|asc|c|cc|h|srt' => 'text/plain',
        'csv' => 'text/csv',
        'tsv' => 'text/tab-separated-values',
        'ics' => 'text/calendar',
        'rtx' => 'text/richtext',
        'css' => 'text/css',
        'htm|html' => 'text/html',
        'vtt' => 'text/vtt',
        'dfxp' => 'application/ttaf+xml',
        // Audio formats.
        'mp3|m4a|m4b' => 'audio/mpeg',
        'ra|ram' => 'audio/x-realaudio',
        'wav' => 'audio/wav',
        'ogg|oga' => 'audio/ogg',
        'mid|midi' => 'audio/midi',
        'wma' => 'audio/x-ms-wma',
        'wax' => 'audio/x-ms-wax',
        'mka' => 'audio/x-matroska',
        // Misc application formats.
        'rtf' => 'application/rtf',
        'js' => 'application/javascript',
        'pdf' => 'application/pdf',
        'swf' => 'application/x-shockwave-flash',
        'class' => 'application/java',
        'tar' => 'application/x-tar',
        'zip' => 'application/zip',
        'gz|gzip' => 'application/x-gzip',
        'rar' => 'application/rar',
        '7z' => 'application/x-7z-compressed',
        'exe' => 'application/x-msdownload',
        'psd' => 'application/octet-stream',
        'xcf' => 'application/octet-stream',
        // MS Office formats.
        'doc' => 'application/msword',
        'pot|pps|ppt' => 'application/vnd.ms-powerpoint',
        'wri' => 'application/vnd.ms-write',
        'xla|xls|xlt|xlw' => 'application/vnd.ms-excel',
        'mdb' => 'application/vnd.ms-access',
        'mpp' => 'application/vnd.ms-project',
        'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
        'docm' => 'application/vnd.ms-word.document.macroEnabled.12',
        'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
        'dotm' => 'application/vnd.ms-word.template.macroEnabled.12',
        'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
        'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
        'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
        'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
        'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12',
        'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
        'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
        'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
        'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
        'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',
        'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
        'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12',
        'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12',
        'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
        'sldm' => 'application/vnd.ms-powerpoint.slide.macroEnabled.12',
        'onetoc|onetoc2|onetmp|onepkg' => 'application/onenote',
        'oxps' => 'application/oxps',
        'xps' => 'application/vnd.ms-xpsdocument',
        // OpenOffice formats.
        'odt' => 'application/vnd.oasis.opendocument.text',
        'odp' => 'application/vnd.oasis.opendocument.presentation',
        'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
        'odg' => 'application/vnd.oasis.opendocument.graphics',
        'odc' => 'application/vnd.oasis.opendocument.chart',
        'odb' => 'application/vnd.oasis.opendocument.database',
        'odf' => 'application/vnd.oasis.opendocument.formula',
        // WordPerfect formats.
        'wp|wpd' => 'application/wordperfect',
        // iWork formats.
        'key' => 'application/vnd.apple.keynote',
        'numbers' => 'application/vnd.apple.numbers',
        'pages' => 'application/vnd.apple.pages',
    ));
}

WordPress Version: 4.2

/**
 * Retrieve list of mime types and file extensions.
 *
 * @since 3.5.0
 * @since 4.2.0 Support was added for GIMP (xcf) files.
 *
 * @return array Array of mime types keyed by the file extension regex corresponding to those types.
 */
function wp_get_mime_types()
{
    /**
     * Filter the list of mime types and file extensions.
     *
     * This filter should be used to add, not remove, mime types. To remove
     * mime types, use the 'upload_mimes' filter.
     *
     * @since 3.5.0
     *
     * @param array $wp_get_mime_types Mime types keyed by the file extension regex
     *                                 corresponding to those types.
     */
    return apply_filters('mime_types', array(
        // Image formats.
        'jpg|jpeg|jpe' => 'image/jpeg',
        'gif' => 'image/gif',
        'png' => 'image/png',
        'bmp' => 'image/bmp',
        'tiff|tif' => 'image/tiff',
        'ico' => 'image/x-icon',
        // Video formats.
        'asf|asx' => 'video/x-ms-asf',
        'wmv' => 'video/x-ms-wmv',
        'wmx' => 'video/x-ms-wmx',
        'wm' => 'video/x-ms-wm',
        'avi' => 'video/avi',
        'divx' => 'video/divx',
        'flv' => 'video/x-flv',
        'mov|qt' => 'video/quicktime',
        'mpeg|mpg|mpe' => 'video/mpeg',
        'mp4|m4v' => 'video/mp4',
        'ogv' => 'video/ogg',
        'webm' => 'video/webm',
        'mkv' => 'video/x-matroska',
        '3gp|3gpp' => 'video/3gpp',
        // Can also be audio
        '3g2|3gp2' => 'video/3gpp2',
        // Can also be audio
        // Text formats.
        'txt|asc|c|cc|h|srt' => 'text/plain',
        'csv' => 'text/csv',
        'tsv' => 'text/tab-separated-values',
        'ics' => 'text/calendar',
        'rtx' => 'text/richtext',
        'css' => 'text/css',
        'htm|html' => 'text/html',
        'vtt' => 'text/vtt',
        'dfxp' => 'application/ttaf+xml',
        // Audio formats.
        'mp3|m4a|m4b' => 'audio/mpeg',
        'ra|ram' => 'audio/x-realaudio',
        'wav' => 'audio/wav',
        'ogg|oga' => 'audio/ogg',
        'mid|midi' => 'audio/midi',
        'wma' => 'audio/x-ms-wma',
        'wax' => 'audio/x-ms-wax',
        'mka' => 'audio/x-matroska',
        // Misc application formats.
        'rtf' => 'application/rtf',
        'js' => 'application/javascript',
        'pdf' => 'application/pdf',
        'swf' => 'application/x-shockwave-flash',
        'class' => 'application/java',
        'tar' => 'application/x-tar',
        'zip' => 'application/zip',
        'gz|gzip' => 'application/x-gzip',
        'rar' => 'application/rar',
        '7z' => 'application/x-7z-compressed',
        'exe' => 'application/x-msdownload',
        'psd' => 'application/octet-stream',
        'xcf' => 'application/octet-stream',
        // MS Office formats.
        'doc' => 'application/msword',
        'pot|pps|ppt' => 'application/vnd.ms-powerpoint',
        'wri' => 'application/vnd.ms-write',
        'xla|xls|xlt|xlw' => 'application/vnd.ms-excel',
        'mdb' => 'application/vnd.ms-access',
        'mpp' => 'application/vnd.ms-project',
        'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
        'docm' => 'application/vnd.ms-word.document.macroEnabled.12',
        'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
        'dotm' => 'application/vnd.ms-word.template.macroEnabled.12',
        'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
        'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
        'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
        'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
        'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12',
        'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
        'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
        'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
        'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
        'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',
        'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
        'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12',
        'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12',
        'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
        'sldm' => 'application/vnd.ms-powerpoint.slide.macroEnabled.12',
        'onetoc|onetoc2|onetmp|onepkg' => 'application/onenote',
        'oxps' => 'application/oxps',
        'xps' => 'application/vnd.ms-xpsdocument',
        // OpenOffice formats.
        'odt' => 'application/vnd.oasis.opendocument.text',
        'odp' => 'application/vnd.oasis.opendocument.presentation',
        'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
        'odg' => 'application/vnd.oasis.opendocument.graphics',
        'odc' => 'application/vnd.oasis.opendocument.chart',
        'odb' => 'application/vnd.oasis.opendocument.database',
        'odf' => 'application/vnd.oasis.opendocument.formula',
        // WordPerfect formats.
        'wp|wpd' => 'application/wordperfect',
        // iWork formats.
        'key' => 'application/vnd.apple.keynote',
        'numbers' => 'application/vnd.apple.numbers',
        'pages' => 'application/vnd.apple.pages',
    ));
}

WordPress Version: 4.1

/**
 * Retrieve list of mime types and file extensions.
 *
 * @since 3.5.0
 *
 * @return array Array of mime types keyed by the file extension regex corresponding to those types.
 */
function wp_get_mime_types()
{
    /**
     * Filter the list of mime types and file extensions.
     *
     * This filter should be used to add, not remove, mime types. To remove
     * mime types, use the 'upload_mimes' filter.
     *
     * @since 3.5.0
     *
     * @param array $wp_get_mime_types Mime types keyed by the file extension regex
     *                                 corresponding to those types.
     */
    return apply_filters('mime_types', array(
        // Image formats.
        'jpg|jpeg|jpe' => 'image/jpeg',
        'gif' => 'image/gif',
        'png' => 'image/png',
        'bmp' => 'image/bmp',
        'tif|tiff' => 'image/tiff',
        'ico' => 'image/x-icon',
        // Video formats.
        'asf|asx' => 'video/x-ms-asf',
        'wmv' => 'video/x-ms-wmv',
        'wmx' => 'video/x-ms-wmx',
        'wm' => 'video/x-ms-wm',
        'avi' => 'video/avi',
        'divx' => 'video/divx',
        'flv' => 'video/x-flv',
        'mov|qt' => 'video/quicktime',
        'mpeg|mpg|mpe' => 'video/mpeg',
        'mp4|m4v' => 'video/mp4',
        'ogv' => 'video/ogg',
        'webm' => 'video/webm',
        'mkv' => 'video/x-matroska',
        '3gp|3gpp' => 'video/3gpp',
        // Can also be audio
        '3g2|3gp2' => 'video/3gpp2',
        // Can also be audio
        // Text formats.
        'txt|asc|c|cc|h|srt' => 'text/plain',
        'csv' => 'text/csv',
        'tsv' => 'text/tab-separated-values',
        'ics' => 'text/calendar',
        'rtx' => 'text/richtext',
        'css' => 'text/css',
        'htm|html' => 'text/html',
        'vtt' => 'text/vtt',
        'dfxp' => 'application/ttaf+xml',
        // Audio formats.
        'mp3|m4a|m4b' => 'audio/mpeg',
        'ra|ram' => 'audio/x-realaudio',
        'wav' => 'audio/wav',
        'ogg|oga' => 'audio/ogg',
        'mid|midi' => 'audio/midi',
        'wma' => 'audio/x-ms-wma',
        'wax' => 'audio/x-ms-wax',
        'mka' => 'audio/x-matroska',
        // Misc application formats.
        'rtf' => 'application/rtf',
        'js' => 'application/javascript',
        'pdf' => 'application/pdf',
        'swf' => 'application/x-shockwave-flash',
        'class' => 'application/java',
        'tar' => 'application/x-tar',
        'zip' => 'application/zip',
        'gz|gzip' => 'application/x-gzip',
        'rar' => 'application/rar',
        '7z' => 'application/x-7z-compressed',
        'exe' => 'application/x-msdownload',
        'psd' => 'application/octet-stream',
        // MS Office formats.
        'doc' => 'application/msword',
        'pot|pps|ppt' => 'application/vnd.ms-powerpoint',
        'wri' => 'application/vnd.ms-write',
        'xla|xls|xlt|xlw' => 'application/vnd.ms-excel',
        'mdb' => 'application/vnd.ms-access',
        'mpp' => 'application/vnd.ms-project',
        'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
        'docm' => 'application/vnd.ms-word.document.macroEnabled.12',
        'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
        'dotm' => 'application/vnd.ms-word.template.macroEnabled.12',
        'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
        'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
        'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
        'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
        'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12',
        'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
        'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
        'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
        'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
        'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',
        'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
        'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12',
        'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12',
        'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
        'sldm' => 'application/vnd.ms-powerpoint.slide.macroEnabled.12',
        'onetoc|onetoc2|onetmp|onepkg' => 'application/onenote',
        'oxps' => 'application/oxps',
        'xps' => 'application/vnd.ms-xpsdocument',
        // OpenOffice formats.
        'odt' => 'application/vnd.oasis.opendocument.text',
        'odp' => 'application/vnd.oasis.opendocument.presentation',
        'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
        'odg' => 'application/vnd.oasis.opendocument.graphics',
        'odc' => 'application/vnd.oasis.opendocument.chart',
        'odb' => 'application/vnd.oasis.opendocument.database',
        'odf' => 'application/vnd.oasis.opendocument.formula',
        // WordPerfect formats.
        'wp|wpd' => 'application/wordperfect',
        // iWork formats.
        'key' => 'application/vnd.apple.keynote',
        'numbers' => 'application/vnd.apple.numbers',
        'pages' => 'application/vnd.apple.pages',
    ));
}

WordPress Version: 4.0

/**
 * Retrieve list of mime types and file extensions.
 *
 * @since 3.5.0
 *
 * @return array Array of mime types keyed by the file extension regex corresponding to those types.
 */
function wp_get_mime_types()
{
    /**
     * Filter the list of mime types and file extensions.
     *
     * This filter should be used to add, not remove, mime types. To remove
     * mime types, use the 'upload_mimes' filter.
     *
     * @since 3.5.0
     *
     * @param array $wp_get_mime_types Mime types keyed by the file extension regex
     *                                 corresponding to those types.
     */
    return apply_filters('mime_types', array(
        // Image formats.
        'jpg|jpeg|jpe' => 'image/jpeg',
        'gif' => 'image/gif',
        'png' => 'image/png',
        'bmp' => 'image/bmp',
        'tif|tiff' => 'image/tiff',
        'ico' => 'image/x-icon',
        // Video formats.
        'asf|asx' => 'video/x-ms-asf',
        'wmv' => 'video/x-ms-wmv',
        'wmx' => 'video/x-ms-wmx',
        'wm' => 'video/x-ms-wm',
        'avi' => 'video/avi',
        'divx' => 'video/divx',
        'flv' => 'video/x-flv',
        'mov|qt' => 'video/quicktime',
        'mpeg|mpg|mpe' => 'video/mpeg',
        'mp4|m4v' => 'video/mp4',
        'ogv' => 'video/ogg',
        'webm' => 'video/webm',
        'mkv' => 'video/x-matroska',
        '3gp|3gpp' => 'video/3gpp',
        // Can also be audio
        '3g2|3gp2' => 'video/3gpp2',
        // Can also be audio
        // Text formats.
        'txt|asc|c|cc|h|srt' => 'text/plain',
        'csv' => 'text/csv',
        'tsv' => 'text/tab-separated-values',
        'ics' => 'text/calendar',
        'rtx' => 'text/richtext',
        'css' => 'text/css',
        'htm|html' => 'text/html',
        'vtt' => 'text/vtt',
        'dfxp' => 'application/ttaf+xml',
        // Audio formats.
        'mp3|m4a|m4b' => 'audio/mpeg',
        'ra|ram' => 'audio/x-realaudio',
        'wav' => 'audio/wav',
        'ogg|oga' => 'audio/ogg',
        'mid|midi' => 'audio/midi',
        'wma' => 'audio/x-ms-wma',
        'wax' => 'audio/x-ms-wax',
        'mka' => 'audio/x-matroska',
        // Misc application formats.
        'rtf' => 'application/rtf',
        'js' => 'application/javascript',
        'pdf' => 'application/pdf',
        'swf' => 'application/x-shockwave-flash',
        'class' => 'application/java',
        'tar' => 'application/x-tar',
        'zip' => 'application/zip',
        'gz|gzip' => 'application/x-gzip',
        'rar' => 'application/rar',
        '7z' => 'application/x-7z-compressed',
        'exe' => 'application/x-msdownload',
        // MS Office formats.
        'doc' => 'application/msword',
        'pot|pps|ppt' => 'application/vnd.ms-powerpoint',
        'wri' => 'application/vnd.ms-write',
        'xla|xls|xlt|xlw' => 'application/vnd.ms-excel',
        'mdb' => 'application/vnd.ms-access',
        'mpp' => 'application/vnd.ms-project',
        'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
        'docm' => 'application/vnd.ms-word.document.macroEnabled.12',
        'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
        'dotm' => 'application/vnd.ms-word.template.macroEnabled.12',
        'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
        'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
        'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
        'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
        'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12',
        'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
        'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
        'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
        'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
        'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',
        'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
        'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12',
        'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12',
        'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
        'sldm' => 'application/vnd.ms-powerpoint.slide.macroEnabled.12',
        'onetoc|onetoc2|onetmp|onepkg' => 'application/onenote',
        'oxps' => 'application/oxps',
        'xps' => 'application/vnd.ms-xpsdocument',
        // OpenOffice formats.
        'odt' => 'application/vnd.oasis.opendocument.text',
        'odp' => 'application/vnd.oasis.opendocument.presentation',
        'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
        'odg' => 'application/vnd.oasis.opendocument.graphics',
        'odc' => 'application/vnd.oasis.opendocument.chart',
        'odb' => 'application/vnd.oasis.opendocument.database',
        'odf' => 'application/vnd.oasis.opendocument.formula',
        // WordPerfect formats.
        'wp|wpd' => 'application/wordperfect',
        // iWork formats.
        'key' => 'application/vnd.apple.keynote',
        'numbers' => 'application/vnd.apple.numbers',
        'pages' => 'application/vnd.apple.pages',
    ));
}

WordPress Version: 3.9

/**
 * Retrieve list of mime types and file extensions.
 *
 * @since 3.5.0
 *
 * @return array Array of mime types keyed by the file extension regex corresponding to those types.
 */
function wp_get_mime_types()
{
    /**
     * Filter the list of mime types and file extensions.
     *
     * This filter should be used to add, not remove, mime types. To remove
     * mime types, use the 'upload_mimes' filter.
     *
     * @since 3.5.0
     *
     * @param array $wp_get_mime_types Mime types keyed by the file extension regex
     *                                 corresponding to those types.
     */
    return apply_filters('mime_types', array(
        // Image formats
        'jpg|jpeg|jpe' => 'image/jpeg',
        'gif' => 'image/gif',
        'png' => 'image/png',
        'bmp' => 'image/bmp',
        'tif|tiff' => 'image/tiff',
        'ico' => 'image/x-icon',
        // Video formats
        'asf|asx' => 'video/x-ms-asf',
        'wmv' => 'video/x-ms-wmv',
        'wmx' => 'video/x-ms-wmx',
        'wm' => 'video/x-ms-wm',
        'avi' => 'video/avi',
        'divx' => 'video/divx',
        'flv' => 'video/x-flv',
        'mov|qt' => 'video/quicktime',
        'mpeg|mpg|mpe' => 'video/mpeg',
        'mp4|m4v' => 'video/mp4',
        'ogv' => 'video/ogg',
        'webm' => 'video/webm',
        'mkv' => 'video/x-matroska',
        // Text formats
        'txt|asc|c|cc|h' => 'text/plain',
        'csv' => 'text/csv',
        'tsv' => 'text/tab-separated-values',
        'ics' => 'text/calendar',
        'rtx' => 'text/richtext',
        'css' => 'text/css',
        'htm|html' => 'text/html',
        'vtt' => 'text/vtt',
        // Audio formats
        'mp3|m4a|m4b' => 'audio/mpeg',
        'ra|ram' => 'audio/x-realaudio',
        'wav' => 'audio/wav',
        'ogg|oga' => 'audio/ogg',
        'mid|midi' => 'audio/midi',
        'wma' => 'audio/x-ms-wma',
        'wax' => 'audio/x-ms-wax',
        'mka' => 'audio/x-matroska',
        // Misc application formats
        'rtf' => 'application/rtf',
        'js' => 'application/javascript',
        'pdf' => 'application/pdf',
        'swf' => 'application/x-shockwave-flash',
        'class' => 'application/java',
        'tar' => 'application/x-tar',
        'zip' => 'application/zip',
        'gz|gzip' => 'application/x-gzip',
        'rar' => 'application/rar',
        '7z' => 'application/x-7z-compressed',
        'exe' => 'application/x-msdownload',
        // MS Office formats
        'doc' => 'application/msword',
        'pot|pps|ppt' => 'application/vnd.ms-powerpoint',
        'wri' => 'application/vnd.ms-write',
        'xla|xls|xlt|xlw' => 'application/vnd.ms-excel',
        'mdb' => 'application/vnd.ms-access',
        'mpp' => 'application/vnd.ms-project',
        'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
        'docm' => 'application/vnd.ms-word.document.macroEnabled.12',
        'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
        'dotm' => 'application/vnd.ms-word.template.macroEnabled.12',
        'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
        'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
        'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
        'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
        'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12',
        'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
        'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
        'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
        'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
        'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',
        'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
        'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12',
        'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12',
        'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
        'sldm' => 'application/vnd.ms-powerpoint.slide.macroEnabled.12',
        'onetoc|onetoc2|onetmp|onepkg' => 'application/onenote',
        // OpenOffice formats
        'odt' => 'application/vnd.oasis.opendocument.text',
        'odp' => 'application/vnd.oasis.opendocument.presentation',
        'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
        'odg' => 'application/vnd.oasis.opendocument.graphics',
        'odc' => 'application/vnd.oasis.opendocument.chart',
        'odb' => 'application/vnd.oasis.opendocument.database',
        'odf' => 'application/vnd.oasis.opendocument.formula',
        // WordPerfect formats
        'wp|wpd' => 'application/wordperfect',
        // iWork formats
        'key' => 'application/vnd.apple.keynote',
        'numbers' => 'application/vnd.apple.numbers',
        'pages' => 'application/vnd.apple.pages',
    ));
}

WordPress Version: 3.7

/**
 * Retrieve list of mime types and file extensions.
 *
 * @since 3.5.0
 *
 * @uses apply_filters() Calls 'mime_types' on returned array. This filter should
 * be used to add types, not remove them. To remove types use the upload_mimes filter.
 *
 * @return array Array of mime types keyed by the file extension regex corresponding to those types.
 */
function wp_get_mime_types()
{
    // Accepted MIME types are set here as PCRE unless provided.
    return apply_filters('mime_types', array(
        // Image formats
        'jpg|jpeg|jpe' => 'image/jpeg',
        'gif' => 'image/gif',
        'png' => 'image/png',
        'bmp' => 'image/bmp',
        'tif|tiff' => 'image/tiff',
        'ico' => 'image/x-icon',
        // Video formats
        'asf|asx' => 'video/x-ms-asf',
        'wmv' => 'video/x-ms-wmv',
        'wmx' => 'video/x-ms-wmx',
        'wm' => 'video/x-ms-wm',
        'avi' => 'video/avi',
        'divx' => 'video/divx',
        'flv' => 'video/x-flv',
        'mov|qt' => 'video/quicktime',
        'mpeg|mpg|mpe' => 'video/mpeg',
        'mp4|m4v' => 'video/mp4',
        'ogv' => 'video/ogg',
        'webm' => 'video/webm',
        'mkv' => 'video/x-matroska',
        // Text formats
        'txt|asc|c|cc|h' => 'text/plain',
        'csv' => 'text/csv',
        'tsv' => 'text/tab-separated-values',
        'ics' => 'text/calendar',
        'rtx' => 'text/richtext',
        'css' => 'text/css',
        'htm|html' => 'text/html',
        // Audio formats
        'mp3|m4a|m4b' => 'audio/mpeg',
        'ra|ram' => 'audio/x-realaudio',
        'wav' => 'audio/wav',
        'ogg|oga' => 'audio/ogg',
        'mid|midi' => 'audio/midi',
        'wma' => 'audio/x-ms-wma',
        'wax' => 'audio/x-ms-wax',
        'mka' => 'audio/x-matroska',
        // Misc application formats
        'rtf' => 'application/rtf',
        'js' => 'application/javascript',
        'pdf' => 'application/pdf',
        'swf' => 'application/x-shockwave-flash',
        'class' => 'application/java',
        'tar' => 'application/x-tar',
        'zip' => 'application/zip',
        'gz|gzip' => 'application/x-gzip',
        'rar' => 'application/rar',
        '7z' => 'application/x-7z-compressed',
        'exe' => 'application/x-msdownload',
        // MS Office formats
        'doc' => 'application/msword',
        'pot|pps|ppt' => 'application/vnd.ms-powerpoint',
        'wri' => 'application/vnd.ms-write',
        'xla|xls|xlt|xlw' => 'application/vnd.ms-excel',
        'mdb' => 'application/vnd.ms-access',
        'mpp' => 'application/vnd.ms-project',
        'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
        'docm' => 'application/vnd.ms-word.document.macroEnabled.12',
        'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
        'dotm' => 'application/vnd.ms-word.template.macroEnabled.12',
        'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
        'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
        'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
        'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
        'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12',
        'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
        'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
        'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
        'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
        'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',
        'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
        'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12',
        'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12',
        'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
        'sldm' => 'application/vnd.ms-powerpoint.slide.macroEnabled.12',
        'onetoc|onetoc2|onetmp|onepkg' => 'application/onenote',
        // OpenOffice formats
        'odt' => 'application/vnd.oasis.opendocument.text',
        'odp' => 'application/vnd.oasis.opendocument.presentation',
        'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
        'odg' => 'application/vnd.oasis.opendocument.graphics',
        'odc' => 'application/vnd.oasis.opendocument.chart',
        'odb' => 'application/vnd.oasis.opendocument.database',
        'odf' => 'application/vnd.oasis.opendocument.formula',
        // WordPerfect formats
        'wp|wpd' => 'application/wordperfect',
        // iWork formats
        'key' => 'application/vnd.apple.keynote',
        'numbers' => 'application/vnd.apple.numbers',
        'pages' => 'application/vnd.apple.pages',
    ));
}