내용중 image 추출 처리

function ar_extract_img($content) {

        $img = "";  

        //$content="<img src='../data/file/copy/1888891267_ruxBiJFm_Db3ZI1gEMqgOdB4KOPFcd4IaTGIBpG.jpg' name='target_resize_image[]' onclick='image_window(this);' style='cursor:pointer;' title='http://sir.co.kr/data/cheditor4/1001/Db3ZI1gEMqgOdB4KOPFcd4IaTGIBpG.jpg'><p>";




        if (!preg_match("/<img[^>]*src=[\"']?([^>\"']+)[\"']?[^>]*>/i", $content, $imgTag)) {

                return '';

        }

        //echo "<xmp>";

        if (!$imgTag[1]) return '';




        if(stristr($imgTag[1], "http://") ) {  

                preg_match("/http:\/\/.*\.(jp[e]?g|gif|png)/Ui", $imgTag[1], $imgName);  

                $img = $imgName[0];  

                //echo "<HR>22  $img<HR>";

        } else {  

                preg_match("/.*\.(jp[e]?g|gif|png)/Ui", $imgTag[1], $imgName);  

                $img = $imgName[0];  

                //var_dump($imgName);

                //echo "<HR>33 $img<HR>";

        }  

        //echo "</xmp>";

        return $img;  

}