REST API: Only provide JSON error code on PHP 5.3+.

json_last_error() was only added to PHP 5.3.0, so we can't provide the information for older versions.

See #38547.

Built from https://develop.svn.wordpress.org/trunk@39111


git-svn-id: http://core.svn.wordpress.org/trunk@39053 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/rest-api/class-wp-rest-request.php

@@ -683,9 +683,12 @@ class WP_REST_Request implements ArrayAccess {
 
 			$error_data = array(
 				'status' => WP_Http::BAD_REQUEST,
-				'json_error_code' => json_last_error(),
-				'json_error_message' => json_last_error_msg(),
 			);
+			if ( function_exists( 'json_last_error' ) ) {
+				$error_data['json_error_code'] = json_last_error();
+				$error_data['json_error_message'] = json_last_error_msg();
+			}
+
 			return new WP_Error( 'rest_invalid_json', __( 'Invalid JSON body passed.' ), $error_data );
 		}
 

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.7-beta1-39110';
+$wp_version = '4.7-beta1-39111';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.