PHP：使用自定义信息查找并替换可点击（.php）链接

Question

I want to be able to find and replace all clickable links in a piece of text with some custom information. Please consider the following example:

This is a sample text. Visit: http://www.microsoft.com/help.asp Sample text. Please visit http://www.mydomain.com/sometime.jpg. This is some random text. And this is some random sample text. Visit http://www.mydomain.com/help.php for more help. Visit http://www.mydomain.com/contact.php if you wish to contact us.

In the above text, I want to be able to replace all clickable ".php" links to something like below:

This is a sample text. Visit: http://www.microsoft.com/help.asp Sample text. Please visit http://www.mydomain.com/sometime.jpg. This is some random text. And this is some random sample text. Visit http://www.mydomain.com/mypage.php?url=help.php for more help. Visit http://www.mydomain.com/mypage.php?url=contact.php if you wish to contact us.

I tried using preg_replace and ereg_replace but it did not work for me.

All help is appreciated. Thank you.

Answer 1

It is only on your domain?

$str = "This is a sample text. Visit: http://www.microsoft.com/help.asp Sample text. Please visit http://www.mydomain.com/sometime.jpg. This is some random text. And this is some random sample text. Visit http://www.mydomain.com/help.php for more help. Visit http://www.mydomain.com/contact.php if you wish to contact us.";

$str2 = preg_replace('~(http://www.mydomain.com/)([^ ]+?)\.php~i', '\1mypage.php?url=\2.php', $str);

// $str:
// This is a sample text. Visit: http://www.microsoft.com/help.asp Sample text. Please visit http://www.mydomain.com/sometime.jpg. This is some random text. And this is some random sample text. Visit http://www.mydomain.com/mypage.php?url=help.php for more help. Visit http://www.mydomain.com/mypage.php?url=contact.php if you wish to contact us.

(edit: corrected the output)