wp-includes/rest-api/fields/class-wp-rest-meta-fields.php:522Retrieves the object's meta schema, conforming to JSON Schema.
array public function get_field_schema() { $fields = $this->get_registered_fields(); $schema = array( 'description' => __( 'Meta fields.' ), 'type' => 'object', 'context' => array( 'view', 'edit' ), 'properties' => array(), 'arg_options' => array( 'sanitize_callback' => null, 'validate_callback' => array( $this, 'check_meta_is_array' ), ), ); foreach ( $fields as $args ) { $schema['properties'][ $args['name'] ] = $args['schema']; } return $schema; }Introduced in 4.7.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/rest-api/fields/class-wp-rest-meta-fields.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.