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<?php function url_replace($url, $component, callable $callback) { $map = [ PHP_URL_SCHEME => 2, PHP_URL_HOST => 4, PHP_URL_PATH => 5, PHP_URL_QUERY => 7, PHP_URL_FRAGMENT => 9, ]; if (!array_key_exists($component, $map)) { return $url; } $index = $map[$component]; if (preg_match('~^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?~', $url, $matches, PREG_OFFSET_CAPTURE) && isset($matches[$index])) { $tmp = call_user_func($callback, $matches[$index][0]); return substr_replace($url, $tmp, $matches[$index][1], strlen($matches[$index][0])); } return $url; } $url = 'sip:foo@example.com'; echo url_replace($url, PHP_URL_PATH, function($path) { return 'bar@example.com'; });

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47.04 ms | 402 KiB | 5 Q