An example of code to match image address in php

This article introduces an example of code that uses regular expressions to match image addresses in PHP. Friends in need can refer to it.

php regular match image address, the code is as follows:

<?php
//图片地址 正则匹配
//http://bbs.it-home.org
function Getpics($body)
{
global $weburl;
//$body = strtolower($body);
$img_array = array();
preg_match_all("/(src|SRC)=[\"|'| ]{0,}((http|HTTP):\/\/(.*)\.(gif|jpg|GIF|JPG|png))/isU",$body,$img_array);
$img_array = array_unique($img_array[2]);
foreach($img_array as $key=>$value)
{
$url = $value;
$fileurl = "/pic.php?s=".base64_encode($url);
$body = str_replace($url,$fileurl,$body);
}
return $body;
}
?>