sanitize_(object_type)_meta_(meta_key)
Filters the sanitization of a specific meta key of a specific meta type.
The dynamic portions of the hook name, $meta_type, and $meta_key, refer to the metadata object type (comment, post, term, or user) and the meta key value, respectively.
Usage
add_filter( 'sanitize_(object_type)_meta_(meta_key)', 'wp_kama_sanitize_object_type_meta_key_filter', 10, 3 ); /** * Function for `sanitize_(object_type)_meta_(meta_key)` filter-hook. * * @param mixed $meta_value Metadata value to sanitize. * @param string $meta_key Metadata key. * @param string $object_type Type of object metadata is for. Accepts 'post', 'comment', 'term', 'user', or any other object type with an associated meta table. * * @return mixed */ function wp_kama_sanitize_object_type_meta_key_filter( $meta_value, $meta_key, $object_type ){ // filter... return $meta_value; }
- $meta_value(mixed)
- Metadata value to sanitize.
- $meta_key(string)
- Metadata key.
- $object_type(string)
- Type of object metadata is for. Accepts 'post', 'comment', 'term', 'user', or any other object type with an associated meta table.
Changelog
Since 3.3.0 | Introduced. |
Where the hook is called
sanitize_(object_type)_meta_(meta_key)
wp-includes/meta.php 1351
return apply_filters( "sanitize_{$object_type}_meta_{$meta_key}", $meta_value, $meta_key, $object_type );
Where the hook is used in WordPress
wp-includes/blocks.php 2789
add_filter( 'sanitize_post_meta_footnotes', '_wp_filter_post_meta_footnotes' );
wp-includes/blocks.php 2799
remove_filter( 'sanitize_post_meta_footnotes', '_wp_filter_post_meta_footnotes' );
wp-includes/meta.php 1495
add_filter( "sanitize_{$object_type}_meta_{$meta_key}_for_{$object_subtype}", $args['sanitize_callback'], 10, 4 );
wp-includes/meta.php 1497
add_filter( "sanitize_{$object_type}_meta_{$meta_key}", $args['sanitize_callback'], 10, 3 );
wp-includes/meta.php 1640
remove_filter( "sanitize_{$object_type}_meta_{$meta_key}_for_{$object_subtype}", $args['sanitize_callback'] );
wp-includes/meta.php 1642
remove_filter( "sanitize_{$object_type}_meta_{$meta_key}", $args['sanitize_callback'] );