Find a regular substitution expression for a URL intercept

Find a regular substitution expression for a URL intercept

http://p.yiqifa.com/n?k=2mLErnws6E4H2mLErI6H2mLsWN3OrnDsWN2e6QLs1NDF6ZLErZyH2mLe6n6w3E3LMZqt6cuLUJeH&spm= 1.1.1.1&t=http://www.xuansou.com/

Such a URL, want to put the second http://Before the contents of all replaced by empty
Just to keep http://www.xuansou.com/.

What do you need, thank you, I'm a rookie.

Reply to discussion (solution)

$s = ' http://p.yiqifa.com/n?k=2mlernws6e4h2mleri6h2mlswn3orndswn2e6qls1ndf6zlerzyh2mle6n6w3e3lmzqt6culujeh& spm=1.1.1.1&t=http://www.xuansou.com/'; Echo preg_replace ('/.+?t=/', ', $s);

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