PHP$url = 'http://example.com/whatever/?hello=world'; shapeSpace_add_var($url, 'goodbye', 'nightclub');
PHPfunction shapeSpace_add_var($url, $key, $value) { $url = preg_replace('/(.*)(?|&)'. $key .'=[^&]+?(&)(.*)/i', '$1$2$4', $url .'&'); $url = substr($url, 0, -1); if (strpos($url, '?') === false) { return ($url .'?'. $key .'='. $value); } else { return ($url .'&'. $key .'='. $value); } }