<?php

$url = 'http://www.iyi8.com/uploadfile/2014/0521/20140521105216901.jpg';

$content = file_get_contents($url);

$filename = 'E:\phpstudy\mysql\WWW\article\tmp.jpg';

file_put_contents($filename, $content);

$url = 'http://www.iyi8.com/uploadfile/2017/0110/20170110104858707.jpg';

file_put_contents('E:\phpstudy\mysql\WWW\article\logo.png', file_get_contents($url));

//开始添加水印操作

$im = imagecreatefromjpeg($filename);

$logo = imagecreatefrompng('E:\phpstudy\mysql\WWW\article\logo.png');

$size = getimagesize('E:\phpstudy\mysql\WWW\article\logo.png');

imagecopy($im, $logo,10, 10, 0, 0,520, 520); 

header("content-type: image/jpeg");

imagejpeg($im, $filename);

imagejpeg($im);

imagejpeg($filename);