current_user_can - Documentation

WordPress Version: 5.8

/**
 * Returns whether the current user has the specified capability.
 *
 * This function also accepts an ID of an object to check against if the capability is a meta capability. Meta
 * capabilities such as `edit_post` and `edit_user` are capabilities used by the `map_meta_cap()` function to
 * map to primitive capabilities that a user or role has, such as `edit_posts` and `edit_others_posts`.
 *
 * Example usage:
 *
 *     current_user_can( 'edit_posts' );
 *     current_user_can( 'edit_post', $post->ID );
 *     current_user_can( 'edit_post_meta', $post->ID, $meta_key );
 *
 * While checking against particular roles in place of a capability is supported
 * in part, this practice is discouraged as it may produce unreliable results.
 *
 * Note: Will always return true if the current user is a super admin, unless specifically denied.
 *
 * @since 2.0.0
 * @since 5.3.0 Formalized the existing and already documented `...$args` parameter
 *              by adding it to the function signature.
 * @since 5.8.0 Converted to wrapper for the user_can() function.
 *
 * @see WP_User::has_cap()
 * @see map_meta_cap()
 *
 * @param string $capability Capability name.
 * @param mixed  ...$args    Optional further parameters, typically starting with an object ID.
 * @return bool Whether the current user has the given capability. If `$capability` is a meta cap and `$object_id` is
 *              passed, whether the current user has the given meta capability for the given object.
 */
function current_user_can($capability, ...$args)
{
    return user_can(wp_get_current_user(), $capability, ...$args);
}

WordPress Version: 5.3

/**
 * Returns whether the current user has the specified capability.
 *
 * This function also accepts an ID of an object to check against if the capability is a meta capability. Meta
 * capabilities such as `edit_post` and `edit_user` are capabilities used by the `map_meta_cap()` function to
 * map to primitive capabilities that a user or role has, such as `edit_posts` and `edit_others_posts`.
 *
 * Example usage:
 *
 *     current_user_can( 'edit_posts' );
 *     current_user_can( 'edit_post', $post->ID );
 *     current_user_can( 'edit_post_meta', $post->ID, $meta_key );
 *
 * While checking against particular roles in place of a capability is supported
 * in part, this practice is discouraged as it may produce unreliable results.
 *
 * Note: Will always return true if the current user is a super admin, unless specifically denied.
 *
 * @since 2.0.0
 * @since 5.3.0 Formalized the existing and already documented `...$args` parameter
 *              by adding it to the function signature.
 *
 * @see WP_User::has_cap()
 * @see map_meta_cap()
 *
 * @param string $capability Capability name.
 * @param mixed  ...$args    Optional further parameters, typically starting with an object ID.
 * @return bool Whether the current user has the given capability. If `$capability` is a meta cap and `$object_id` is
 *              passed, whether the current user has the given meta capability for the given object.
 */
function current_user_can($capability, ...$args)
{
    $current_user = wp_get_current_user();
    if (empty($current_user)) {
        return false;
    }
    return $current_user->has_cap($capability, ...$args);
}

WordPress Version: 4.5

/**
 * Whether the current user has a specific capability.
 *
 * While checking against particular roles in place of a capability is supported
 * in part, this practice is discouraged as it may produce unreliable results.
 *
 * Note: Will always return true if the current user is a super admin, unless specifically denied.
 *
 * @since 2.0.0
 *
 * @see WP_User::has_cap()
 * @see map_meta_cap()
 *
 * @param string $capability Capability name.
 * @param int    $object_id  Optional. ID of the specific object to check against if `$capability` is a "meta" cap.
 *                           "Meta" capabilities, e.g. 'edit_post', 'edit_user', etc., are capabilities used
 *                           by map_meta_cap() to map to other "primitive" capabilities, e.g. 'edit_posts',
 *                           'edit_others_posts', etc. Accessed via func_get_args() and passed to WP_User::has_cap(),
 *                           then map_meta_cap().
 * @return bool Whether the current user has the given capability. If `$capability` is a meta cap and `$object_id` is
 *              passed, whether the current user has the given meta capability for the given object.
 */
function current_user_can($capability)
{
    $current_user = wp_get_current_user();
    if (empty($current_user)) {
        return false;
    }
    $args = array_slice(func_get_args(), 1);
    $args = array_merge(array($capability), $args);
    return call_user_func_array(array($current_user, 'has_cap'), $args);
}

WordPress Version: 4.4

/**
 * Whether the current user has a specific capability.
 *
 * While checking against particular roles in place of a capability is supported
 * in part, this practice is discouraged as it may produce unreliable results.
 *
 * @since 2.0.0
 *
 * @see WP_User::has_cap()
 * @see map_meta_cap()
 *
 * @param string $capability Capability name.
 * @param int    $object_id  Optional. ID of the specific object to check against if `$capability` is a "meta" cap.
 *                           "Meta" capabilities, e.g. 'edit_post', 'edit_user', etc., are capabilities used
 *                           by map_meta_cap() to map to other "primitive" capabilities, e.g. 'edit_posts',
 *                           'edit_others_posts', etc. Accessed via func_get_args() and passed to WP_User::has_cap(),
 *                           then map_meta_cap().
 * @return bool Whether the current user has the given capability. If `$capability` is a meta cap and `$object_id` is
 *              passed, whether the current user has the given meta capability for the given object.
 */
function current_user_can($capability)
{
    $current_user = wp_get_current_user();
    if (empty($current_user)) {
        return false;
    }
    $args = array_slice(func_get_args(), 1);
    $args = array_merge(array($capability), $args);
    return call_user_func_array(array($current_user, 'has_cap'), $args);
}

WordPress Version: 3.7

/**
 * Whether current user has capability or role.
 *
 * @since 2.0.0
 *
 * @param string $capability Capability or role name.
 * @return bool
 */
function current_user_can($capability)
{
    $current_user = wp_get_current_user();
    if (empty($current_user)) {
        return false;
    }
    $args = array_slice(func_get_args(), 1);
    $args = array_merge(array($capability), $args);
    return call_user_func_array(array($current_user, 'has_cap'), $args);
}