Ticket #49270: 49270.diff

src/wp-includes/rest-api.php

@@ -966 +966 @@
         return strtotime( $date );
 }
 
+/**
+ * Parses an 3 or 6 digit hex color (with #).
+ *
+ * @since 5.4.0
+ *
+ * @param string $color      3 or 6 digit hex color (with #).
+ *                          the timestamp's timezone. Default false.
+ * @return string|boolean
+ */
+function rest_parse_color( $color ) {
+        $regex = '|^#([A-Fa-f0-9]{3}){1,2}$|';
+
+        if ( ! preg_match( $regex, $color, $matches ) ) {
+                return false;
+        }
+
+        return $color;
+}
+
 /**
  * Parses a date into both its local and UTC equivalent, in MySQL datetime format.
  *
@@ -1314 +1333 @@
 
         if ( isset( $args['format'] ) ) {
                 switch ( $args['format'] ) {
+                        case 'color':
+                                if ( ! rest_parse_color( $value ) ) {
+                                        return new WP_Error( 'rest_invalid_color', __( 'Invalid color.' ) );
+                                }
+                                break;
+
                         case 'date-time':
                                 if ( ! rest_parse_date( $value ) ) {
                                         return new WP_Error( 'rest_invalid_date', __( 'Invalid date.' ) );
@@ -1470 +1495 @@
 
         if ( isset( $args['format'] ) ) {
                 switch ( $args['format'] ) {
+                        case 'color':
+                                return sanitize_hex_color( $value );
+
                         case 'date-time':
                                 return sanitize_text_field( $value );