PHP method to get remote images and save them locally, _PHP tutorial

How to get remote images in PHP and save them locally,

The example in this article describes how PHP gets remote images and saves them locally. Share it with everyone for your reference. The specific implementation method is as follows:

<&#63;php
function GrabImage($url, $filename = "") {
 if ($url == ""):return false;
 endif;
 //如果$url地址为空，直接退出
 if ($filename == "") {
 //如果没有指定新的文件名
 $ext = strrchr($url, ".");
 //得到$url的图片格式
 if ($ext != ".gif" && $ext != ".jpg"):return false;
 endif;
 //如果图片格式不为.gif或者.jpg，直接退出
 $filename = date("dMYHis") . $ext;
 //用天月面时分秒来命名新的文件名
 } 
 ob_start();//打开输出
 readfile($url);//输出图片文件
 $img = ob_get_contents();//得到浏览器输出
 ob_end_clean();//清除输出并关闭
 $size = strlen($img);//得到图片大小
 $fp2 = @fopen($filename, "a");
 fwrite($fp2, $img);//向当前目录写入图片文件，并重新命名
 fclose($fp2);
 return $filename;//返回新的文件名
} 
$img = GrabImage("http://imgsrc.baidu.com/baike/abpic/item/6648d73db0edd1e89f3d62f7.jpg", "");
if ($img):echo '<pre class="brush:php;toolbar:false"><img  src="' . $img . '" alt="PHP method to get remote images and save them locally, _PHP tutorial" >

'; //如果返回值为真，这显示已经采集到服务器上的图片 else:echo "false"; endif; //否则，输出采集失败 ?>

I hope this article will be helpful to everyone’s PHP programming design.

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