Filter hook 'rest_request_before_callbacks'

Hook Information

Hook Parameters

Usage Examples

<?php
// Hook into rest_request_before_callbacks
add_filter('rest_request_before_callbacks', 'my_custom_filter', 10, 3);

function my_custom_filter($response, $handler, $request) {
    // Your custom filtering logic here
    return $response;
}

Source Code Context

<?php
1250  		 * @param WP_REST_Response|WP_HTTP_Response|WP_Error|mixed $response Result to send to the client.
1251  		 *                                                                   Usually a WP_REST_Response or WP_Error.
1252  		 * @param array                                            $handler  Route handler used for the request.
1253  		 * @param WP_REST_Request                                  $request  Request used to generate the response.
1254  		 */
1255  		$response = apply_filters( 'rest_request_before_callbacks', $response, $handler, $request );
1256  
1257  		// Check permission specified on the route.
1258  		if ( ! is_wp_error( $response ) && ! empty( $handler['permission_callback'] ) ) {
1259  			$permission = call_user_func( $handler['permission_callback'], $request );
1260  

PHP Documentation

<?php
/**
		 * Filters the response before executing any REST API callbacks.
		 *
		 * Allows plugins to perform additional validation after a
		 * request is initialized and matched to a registered route,
		 * but before it is executed.
		 *
		 * Note that this filter will not be called for requests that
		 * fail to authenticate or match to a registered route.
		 *
		 * @since 4.7.0
		 *
		 * @param WP_REST_Response|WP_HTTP_Response|WP_Error|mixed $response Result to send to the client.
		 *                                                                   Usually a WP_REST_Response or WP_Error.
		 * @param array                                            $handler  Route handler used for the request.
		 * @param WP_REST_Request                                  $request  Request used to generate the response.
		 */