PHP"preg_replace"向特定域的任何URL添加查询参数 [英] PHP "preg_replace" to add query param to any urls of a certain domain

问题描述

我有一个像这样的字符串:

I have a string like:

$description = '
<a href="http://www.replace.com/1st-link/">1st link in string</a>,
<a href="http://www.ignore.com/">2nd link in string</a>, some other text in string,
<a href="http://www.replace.com/3rd-link/">3rd link in string</a>.
';

我需要使用preg_replace来将查询参数?id = awesome"附加到来自"replace.com"的$ description字符串中的所有网址(忽略所有其他链接，即"ignore.com").

I need to use preg_replace to append a query parameter of "?id=awesome" to any urls in the $description string from "replace.com" (ignoring all other links, i.e. "ignore.com").

在此先感谢您的帮助！

推荐答案

好，很简单，在这里:

$content = preg_replace('/http:\/\/[^"]*?\.replace\.com\/[^"]+/','$0?id=awesome',$description);

希望就是这样，$ content将带有字符串，他将参数添加到了replace.com域中:)

Hope that's it, $content will have the string witht he added paramters to the replace.com domain :)

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