替换两个标签之间的内容

I want to replace all content between ( and ), using php.

my string:

$string = "This is a (string)";

the required output is:

$string = "This is a";

my code doesn't works:

$string = "This is a (string)";
$search = "/[^(](.*)[^)]/";
$string = preg_replace($search, "", $string);
echo $string;  // output is ")"

$result = preg_replace('/\(.+?\)/sm', 'Put your text here', $string);

Try this code

Or to save () add them to replacement

$page = preg_replace('/\(.+?\)/sm', '(Put your text here)', $page);

This should work for you:

<?php

    $string = "This is a (string)";
    echo preg_replace("/\([^)]+\)/","",$string);

?>

Output:

This is a

Just change that:

$search = "/ *\(.*?\)/";