php修改写入路径解决方案

php修改写入路径

PHP code

<?phpfunction getImage($url,$filename="",$ext) {   if(!$url) return false;  $filename=date("dMYHis").$ext;   ob_start();   readfile($url);   $img = ob_get_contents();   ob_end_clean();   $fp2=@fopen($filename, "a");   fwrite($fp2,$img);   fclose($fp2);   return $filename; } $link=$_GET['url'];$ext=$_GET['ext'];$img=getImage("$link","","$ext");if($img)echo "<p>".$img."</p><br><a href=".$img.">Enter</a>";elseecho "false<br />url<br />ext<br />";?>