How to replace src in php

James Bond
Release: 2023-03-07 06:52:01
Original
1522 people have browsed it

php替换src的方法:可以利用preg_replace函数并结合正则表达式来实现替换,如【preg_replace($pregRule, 'How to replace src in php

可以使用正则表达式批量替换Img中src内容。

函数介绍:

preg_replace 函数执行一个正则表达式的搜索和替换。

(推荐教程:php视频教程

实现代码:

/**
* 图片地址替换成压缩URL
* @param string $content 内容
* @param string $suffix 后缀
*/
function get_img_thumb_url($content="",$suffix="!c550x260.jpg")
{
$pregRule = "/<[img|IMG].*?src=[\&#39;|\"](.*?(?:[\.jpg|\.jpeg|\.png|\.gif|\.bmp]))[\&#39;|\"].*?[\/]?>/";
$content = preg_replace($pregRule, &#39;<img src="${1}&#39;.$suffix.&#39;" style="max-width:100%">&#39;, $content);
return $content;
}
Copy after login

实际代码:

$content = &#39;<a href="#"><img class="center" src="https://xxx.com/styles/images/default.jpg"></a>&#39;
.&#39;<p><img class="center" src="https://img.xxx.com/images/219_Ig5eZI.jpg" style="max-width: 100%;"></p>&#39;;
$newct = get_img_thumb_url($content);
print_r($newct);
Copy after login

输出结果:

<a href="#"><img src="https://xxx.com/styles/images/default.jpg!c550x260.jpg" style="max-width:100%"></a><p><img src="https://img.xxx.com/images/219_Ig5eZI.jpg!c550x260.jpg" style="max-width:100%"></p>
Copy after login

相关推荐:php培训

The above is the detailed content of How to replace src in php. For more information, please follow other related articles on the PHP Chinese website!

Related labels:
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
About us Disclaimer Sitemap
php.cn:Public welfare online PHP training,Help PHP learners grow quickly!