Strict Standards: Only variables should be passed by reference in.Как решить?

Strict Standards: Only variables should be passed by reference in C:\OpenServer\domains\localhost\engine\modules\userphotos.php on line 143

//    Инфо о фотографии
                
                $image = $_FILES['Filedata']['tmp_name'];
                $image_size = $_FILES['Filedata']['size'];
                
                $type = end( explode( ".", $_FILES['Filedata']['name'] ) );
                
                
                $image_name = explode( ".", str_replace( " ", "_", $_FILES['Filedata']['name'] ) );
                $image_name = totranslit( $image_name[0] );
                
                $Prefix = $UserName; //time() + rand( 1, 500 );
                $DbFile = "{$image_name}.{$type}";
                $ImageFile = "/uploads/userphotos/{$Prefix}_{$DbFile}";
                $ImageThumbFile = "/uploads/userphotos/thumbs/{$Prefix}_{$DbFile}";