wp_get_block_default_classname

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

WordPress Version: 6.2

/**
 * Generated classname block support flag.
 *
 * @package WordPress
 * @since 5.6.0
 */
/**
 * Gets the generated classname from a given block name.
 *
 * @since 5.6.0
 *
 * @access private
 *
 * @param string $block_name Block Name.
 * @return string Generated classname.
 */
function wp_get_block_default_classname($block_name)
{
    // Generated HTML classes for blocks follow the `wp-block-{name}` nomenclature.
    // Blocks provided by WordPress drop the prefixes 'core/' or 'core-' (historically used in 'core-embed/').
    $classname = 'wp-block-' . preg_replace('/^core-/', '', str_replace('/', '-', $block_name));
    /**
     * Filters the default block className for server rendered blocks.
     *
     * @since 5.6.0
     *
     * @param string $class_name The current applied classname.
     * @param string $block_name The block name.
     */
    $classname = apply_filters('block_default_classname', $classname, $block_name);
    return $classname;
}

WordPress Version: 5.8

/**
 * Generated classname block support flag.
 *
 * @package WordPress
 * @since 5.6.0
 */
/**
 * Get the generated classname from a given block name.
 *
 * @since 5.6.0
 *
 * @access private
 *
 * @param  string $block_name Block Name.
 * @return string Generated classname.
 */
function wp_get_block_default_classname($block_name)
{
    // Generated HTML classes for blocks follow the `wp-block-{name}` nomenclature.
    // Blocks provided by WordPress drop the prefixes 'core/' or 'core-' (historically used in 'core-embed/').
    $classname = 'wp-block-' . preg_replace('/^core-/', '', str_replace('/', '-', $block_name));
    /**
     * Filters the default block className for server rendered blocks.
     *
     * @since 5.6.0
     *
     * @param string     $class_name The current applied classname.
     * @param string     $block_name The block name.
     */
    $classname = apply_filters('block_default_classname', $classname, $block_name);
    return $classname;
}

WordPress Version: 5.7

/**
 * Generated classname block support flag.
 *
 * @package WordPress
 */
/**
 * Get the generated classname from a given block name.
 *
 * @since 5.6.0
 *
 * @access private
 *
 * @param  string $block_name Block Name.
 * @return string Generated classname.
 */
function wp_get_block_default_classname($block_name)
{
    // Generated HTML classes for blocks follow the `wp-block-{name}` nomenclature.
    // Blocks provided by WordPress drop the prefixes 'core/' or 'core-' (historically used in 'core-embed/').
    $classname = 'wp-block-' . preg_replace('/^core-/', '', str_replace('/', '-', $block_name));
    /**
     * Filters the default block className for server rendered blocks.
     *
     * @since 5.6.0
     *
     * @param string     $class_name The current applied classname.
     * @param string     $block_name The block name.
     */
    $classname = apply_filters('block_default_classname', $classname, $block_name);
    return $classname;
}

WordPress Version: 5.6

/**
 * Generated classname block support flag.
 *
 * @package WordPress
 */
/**
 * Get the generated classname from a given block name.
 *
 * @access private
 *
 * @param  string $block_name Block Name.
 * @return string Generated classname.
 */
function wp_get_block_default_classname($block_name)
{
    // Generated HTML classes for blocks follow the `wp-block-{name}` nomenclature.
    // Blocks provided by WordPress drop the prefixes 'core/' or 'core-' (historically used in 'core-embed/').
    $classname = 'wp-block-' . preg_replace('/^core-/', '', str_replace('/', '-', $block_name));
    /**
     * Filters the default block className for server rendered blocks.
     *
     * @param string     $class_name The current applied classname.
     * @param string     $block_name The block name.
     */
    $classname = apply_filters('block_default_classname', $classname, $block_name);
    return $classname;
}