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Meta: Remove filters when meta is unregistered.

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If auth and/or sanitize callbacks are specified in the arguments for
`register_meta()`, filters are added to handle these callbacks. These
should be removed when calling `unregister_meta_key()` to avoid
unintentional filtering.

See #35658.


git-svn-id: https://develop.svn.wordpress.org/trunk@38040 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Jeremy Felt
2016-07-13 04:12:41 +00:00
parent afea5ef3a7
commit 6830e90949
2 changed files with 32 additions and 6 deletions
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10
src/wp-includes/meta.php
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@@ -1162,6 +1162,16 @@ function unregister_meta_key( $object_type, $object_subtype, $meta_key ) {
return new WP_Error( 'invalid_meta_key', __( 'Invalid meta key' ) );
}
$args = $wp_meta_keys[ $object_type ][ $object_subtype ][ $meta_key ];
if ( isset( $args['sanitize_callback'] ) && is_callable( $args['sanitize_callback'] ) ) {
remove_filter( "sanitize_{$object_type}_{$object_subtype}_meta_{$meta_key}", $args['sanitize_callback'] );
}
if ( isset( $args['auth_callback'] ) && is_callable( $args['auth_callback'] ) ) {
remove_filter( "auth_{$object_type}_{$object_subtype}_meta_{$meta_key}", $args['auth_callback'] );
}
unset( $wp_meta_keys[ $object_type ][ $object_subtype ][ $meta_key ] );
// Do some clean up