REST API: Only cast scalar types to string when comparing new & old meta values.

Newly-supported array and object meta types should not be cast to strings.

Props TimothyBlynJacobs, caercam.
Fixes #47928.


git-svn-id: https://develop.svn.wordpress.org/trunk@45903 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
K. Adam White
2019-08-28 03:07:03 +00:00
parent dfe51f6069
commit 2d0cb482ed
2 changed files with 93 additions and 1 deletions

View File

@@ -350,9 +350,17 @@ abstract class WP_REST_Meta_Fields {
// Do the exact same check for a duplicate value as in update_metadata() to avoid update_metadata() returning false.
$old_value = get_metadata( $meta_type, $object_id, $meta_key );
$subtype = get_object_subtype( $meta_type, $object_id );
$args = $this->get_registered_fields()[ $meta_key ];
if ( 1 === count( $old_value ) ) {
if ( (string) sanitize_meta( $meta_key, $value, $meta_type, $subtype ) === $old_value[0] ) {
$sanitized = sanitize_meta( $meta_key, $value, $meta_type, $subtype );
if ( in_array( $args['type'], array( 'string', 'number', 'integer', 'boolean' ), true ) ) {
// The return value of get_metadata will always be a string for scalar types.
$sanitized = (string) $sanitized;
}
if ( $sanitized === $old_value[0] ) {
return true;
}
}