Search file in the directory function:

PHP Code:
function search($target, $directory){

   if(is_dir($directory)){
       $direc = opendir($directory);
       while(false !== ($file = readdir($direc))){

           if($file !="." && $file != ".."){

               if(is_file($directory."/".$file)){
                   if(preg_match("/$target/i", $file)){
                                           echo "$file
";
                                       }
               }else if(is_dir($directory."/".$file)){
                   search($target,$directory."/".$file);

               }

           }
       }
       closedir($direc);
   }

   return;
} ?>