PHP: Remove a single parameter from a Query String using regular expression


function remove_querystring_var($url, $key)
{
$url = preg_replace('/(.*)(\?|&)' . $key . '=[^&]+?(&)(.*)/i', '$1$2$4', $url . '&');
$url = substr($url, 0, -1);
return $url;
}

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PHP: Remove a single parameter from a Query String using regular expression

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