Changeset 49966 for trunk/src/wp-includes/rest-api/fields/class-wp-rest-meta-fields.php

Timestamp:

01/17/2021 12:49:39 AM (6 years ago)

Author:

TimothyBlynJacobs

Message:

REST API: Allow sending an empty array to delete multi meta keys.

Previously, only null was supported.

Fixes #50790.
Props chrisvanpatten.

File:

• trunk/src/wp-includes/rest-api/fields/class-wp-rest-meta-fields.php (modified) (2 diffs)

trunk/src/wp-includes/rest-api/fields/class-wp-rest-meta-fields.php

@@ -146 +146 @@
                         }
 
+                        $value = $meta[ $name ];
+
                         /*
                          * A null value means reset the field, which is essentially deleting it
                          * from the database and then relying on the default value.
+                         *
+                         * Non-single meta can also be removed by passing an empty array.
                          */
-                        if ( is_null( $meta[ $name ] ) ) {
+                        if ( is_null( $value ) || ( array() === $value && ! $args['single'] ) ) {
                                 $args = $this->get_registered_fields()[ $meta_key ];
 
@@ -172 +176 @@
                                 continue;
                         }
-
-                        $value = $meta[ $name ];
 
                         if ( ! $args['single'] && is_array( $value ) && count( array_filter( $value, 'is_null' ) ) ) {