怎么回事啊?? 求大神支招

<?php
//open?img
$src?=?'images/newoffice.jpg';
$info?=?getimagesize($src);
//echo?'<br?/>';
//print_r($info);
$type?=?image_type_to_extension($info[2],false);
//print_r($type);
$func?=?"imagecreatefrom{$type}";
$image?=?$func($src);
//operate?img
$font?=?'data/fonts/TrajanPro3-Regular.otf';
$content?=?'New?Office?XINTIANDI,Welcome!';
$color?=?imagecolorallocatealpha($image,255,255,255,50);
imagettftext($image,20,0,20,100,$color,$font,$content);
//output?img
???//1.瀏覽器輸出
???header("Content-type",$info['mime']);
???$func?=?"image{$type}";
???$func($image);
???//2.保存輸出
???$func($image,'newpic',$type);
//distroy?img
???imagedestroy($image);
?>