futtta / autoptimize

classes/autoptimizeImages.php

Doc Comments +13 added lines, -1 removed lines

@@ -378,6 +378,9 @@ 
         }
     }
 
+    /**
+     * @return string
+     */
     private function get_imgopt_base_url()
     {
         static $imgopt_base_url = null;
@@ -750,6 +753,9 @@ 
         return $out;
     }
 
+    /**
+     * @param string $tag
+     */
     public function add_lazyload( $tag, $placeholder = '' ) {
         // adds actual lazyload-attributes to an image node.
         if ( str_ireplace( $this->get_lazyload_exclusions(), '', $tag ) === $tag ) {
@@ -832,6 +838,9 @@ 
         }
     }
 
+    /**
+     * @return string
+     */
     public function get_cdn_url() {
         // getting CDN url here to avoid having to make bigger changes to autoptimizeBase.
         static $cdn_url = null;
@@ -935,6 +944,9 @@ 
         return $out;
     }
 
+    /**
+     * @return string
+     */
     public function process_bgimage( $in ) {
         if ( strpos( $in, 'background-image:' ) !== false && apply_filters( 'autoptimize_filter_imgopt_lazyload_backgroundimages', true ) ) {
             $out = preg_replace_callback(
@@ -1279,7 +1291,7 @@ 
     /**
      * Determines and returns the service launch status.
      *
-     * @return bool
+     * @return null|boolean
      */
     public function launch_ok()
     {