futtta / autoptimize

classes/autoptimizeImages.php

Doc Comments +13 added lines, -1 removed lines

@@ -358,6 +358,9 @@ 
         }
     }
 
+    /**
+     * @return string
+     */
     private function get_imgopt_base_url()
     {
         static $imgopt_base_url = null;
@@ -693,6 +696,9 @@ 
         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 ) {
@@ -781,6 +787,9 @@ 
         return $exclude_lazyload_array;
     }
 
+    /**
+     * @param string $target_class
+     */
     public function inject_classes_in_tag( $tag, $target_class ) {
         if ( strpos( $tag, 'class=' ) !== false ) {
             $tag = preg_replace( '/(\sclass\s?=\s?("|\'))/', '$1' . $target_class, $tag );
@@ -810,6 +819,9 @@ 
         return $webp_return;
     }
 
+    /**
+     * @return string
+     */
     public function process_picture_tag( $in, $imgopt = false, $lazy = false ) {
         // check if "<picture" is present and if filter allows us to process <picture>.
         if ( strpos( $in, '<picture' ) === false || apply_filters( 'autoptimize_filter_imgopt_dopicture', true ) === false ) {
@@ -1141,7 +1153,7 @@ 
     /**
      * Determines and returns the service launch status.
      *
-     * @return bool
+     * @return null|boolean
      */
     public function launch_ok()
     {