Online PHP editor | refs for Vb0rJ

<?php $urls = [ 'absolute' => 'https://stackoverflow.com/questions/20248666/in-this-case-which-is-better-in-matching-regular-expression-or-parse-url', 'relative' => '/questions/20248666/in-this-case-which-is-better-in-matching-regular-expression-or-parse-url', 'absolute-with-query' => 'https://stackoverflow.com/questions/20248666/in-this-case-which-is-better-in-matching-regular-expression-or-parse-url?r=https://3v4l.org', 'relative-with-query' => '/questions/20248666/in-this-case-which-is-better-in-matching-regular-expression-or-parse-url?r=https://3v4l.org', ]; $parseTester = function ($url) { $urlComponents = parse_url($url, PHP_URL_SCHEME); return strncmp($url, '//', 2) && empty($urlComponents); }; $regexpTester = function ($url) { return preg_match('@^((\w+):)?//@', $url); }; $strposTester = function ($url) { return strpos($url, 'https://') !== 0 || strpos($url, 'http://') !== 0 || strpos($url, '//') !== 0; }; $strposAlternativeTester = function ($url) { if (strncmp($url, '//', 2) === 0) { return false; } $pos = strpos($url, '://'); if ($pos === false) { return true; } $queryPos = strpos($url, '?'); return $queryPos === false || $pos < $queryPos; }; $test = function ($testerName, $callback) use ($urls) { foreach ($urls as $scenario => $url) { $time = microtime(true); for ($i = 0; $i < 1000000; $i++) { $callback($url); } echo "$testerName-$scenario: ", number_format(microtime(true) - $time, 10), "\n"; } echo "\n"; }; $test('parseTester', $parseTester); $test('regexpTester', $regexpTester); $test('strposTester', $strposTester); $test('strposAlternativeTester', $strposAlternativeTester);