$list=array("index.php");

 foreach ($list as $file)
        {
                $fp=fopen($file,"r");
                $data=fread($fp, filesize($file));
                echo $file."<br>";
                echo $data;
                fclose($fp);

        $pattern1='<img src="(.*).jpg" width="(.*)" height="(.*)">';
        $pattern2='<img src="(.*).jpg">';
        $rep1='<img src="\1.jpg">';
        $rep2='img(\1)';
        $data2=ereg_replace($pattern1,$rep1,$data);
        $data2=ereg_replace($pattern2,$rep2,$data2);
        echo "<h2>$data2</h2>";
        }
        echo "done";


index.php contains:
<img src="pic.jpg" width="10" height="10">
<img src="pic2.jpg">