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REST API: Return a WP_Error
if meta
property is not an array.
Fixes bug where a PHP Warning is currently thrown if a client sends a request where `meta` is not an array value. Props timmydcrawford, jnylen0, rachelbaker, pento. Fixes #38989. Built from https://develop.svn.wordpress.org/trunk@39436 git-svn-id: http://core.svn.wordpress.org/trunk@39376 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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@ -117,15 +117,15 @@ abstract class WP_REST_Meta_Fields {
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* @since 4.7.0
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* @access public
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*
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* @param WP_REST_Request $request Full details about the request.
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* @param array $meta Array of meta parsed from the request.
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* @param int $object_id Object ID to fetch meta for.
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* @return WP_Error|null WP_Error if one occurs, null on success.
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*/
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public function update_value( $request, $object_id ) {
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public function update_value( $meta, $object_id ) {
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$fields = $this->get_registered_fields();
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foreach ( $fields as $meta_key => $args ) {
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$name = $args['name'];
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if ( ! array_key_exists( $name, $request ) ) {
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if ( ! array_key_exists( $name, $meta ) ) {
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continue;
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}
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@ -133,7 +133,7 @@ abstract class WP_REST_Meta_Fields {
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* A null value means reset the field, which is essentially deleting it
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* from the database and then relying on the default value.
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*/
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if ( is_null( $request[ $name ] ) ) {
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if ( is_null( $meta[ $name ] ) ) {
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$result = $this->delete_meta_value( $object_id, $meta_key, $name );
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if ( is_wp_error( $result ) ) {
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return $result;
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@ -141,13 +141,13 @@ abstract class WP_REST_Meta_Fields {
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continue;
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}
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$is_valid = rest_validate_value_from_schema( $request[ $name ], $args['schema'], 'meta.' . $name );
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$is_valid = rest_validate_value_from_schema( $meta[ $name ], $args['schema'], 'meta.' . $name );
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if ( is_wp_error( $is_valid ) ) {
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$is_valid->add_data( array( 'status' => 400 ) );
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return $is_valid;
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}
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$value = rest_sanitize_value_from_schema( $request[ $name ], $args['schema'] );
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$value = rest_sanitize_value_from_schema( $meta[ $name ], $args['schema'] );
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if ( $args['single'] ) {
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$result = $this->update_meta_value( $object_id, $meta_key, $name, $value );
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@ -391,6 +391,10 @@ abstract class WP_REST_Meta_Fields {
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'type' => 'object',
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'context' => array( 'view', 'edit' ),
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'properties' => array(),
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'arg_options' => array(
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'sanitize_callback' => null,
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'validate_callback' => array( $this, 'check_meta_is_array' ),
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),
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);
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foreach ( $fields as $args ) {
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@ -444,4 +448,23 @@ abstract class WP_REST_Meta_Fields {
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return $value;
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}
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/**
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* Check the 'meta' value of a request is an associative array.
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*
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* @since 4.7.0
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* @access public
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*
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* @param mixed $value The meta value submitted in the request.
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* @param WP_REST_Request $request Full details about the request.
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* @param string $param The parameter name.
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* @return WP_Error|string The meta array, if valid, otherwise an error.
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*/
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public function check_meta_is_array( $value, $request, $param ) {
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if ( ! is_array( $value ) ) {
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return false;
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}
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return $value;
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}
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}
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@ -4,7 +4,7 @@
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*
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* @global string $wp_version
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*/
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$wp_version = '4.8-alpha-39434';
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$wp_version = '4.8-alpha-39436';
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/**
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* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
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