How to get string between 2 characters in PHP

Today’s article shares with you the method of intercepting a string between two specified characters in PHP. Friends in need can refer to it.

<?php
function getNeedBetween($kw1,$mark1,$mark2){
$kw=$kw1;
$kw=&#39;123′.$kw.&#39;123′;
$st =stripos($kw,$mark1);
$ed =stripos($kw,$mark2);
if(($st==false||$ed==false)||$st>=$ed)
return 0;
$kw=substr($kw,($st+1),($ed-$st-1));
return $kw;
}
?>

$keyword='查找(计组实验)'
$need=getNeedBetween($keyword, '(' , ')' );

Result:

$need='计组实验';

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