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<?php /** * Return domain name from url * For example: "all.ru" from "http://www.all.ru/test/test.html" * * @param $url * @param bool $with_www * @return string : domain name */ function get_domain($url, $with_www = false) { $url = preg_replace('~^(?:f|ht)tps?://~i', '', trim($url)); $path = explode ('/', $url); $domain = strtolower(trim($path[0])); $domain = preg_replace('#^www.#', '', $domain); if($with_www) { $domain = 'www.' . $domain; } return $domain; } /** * Format URL * * @param $url * @return string */ function format_url($url) { if(parse_url($url, PHP_URL_SCHEME) === null) { $url = 'http://' . $url; //parse_url() requires scheme to parse URL correctly } $parsed_url = parse_url($url); var_dump($url); $host = get_domain($parsed_url['host'], false); $path = preg_replace('#index\.[a-z]+#', '', $parsed_url['path']); $url = $host . $path; if (isset($parsed_url['query'])) { $url .= '?' . $parsed_url['query']; } $url = rtrim($url, '/'); var_dump($url); return $url; } /** * Compare two formatted urls * * @param string $url_1 * @param string $url_2 * @return bool */ function compare_urls($url_1, $url_2) { return format_url($url_1) === format_url($url_2); } $url_1 = 'http://seos.bolseo.ru/index.php?module=2&siteID=235'; $url_2 = '//seos.bolseo.ru/?module=2&siteID=235'; //var_dump(compare_urls($url_1, $url_2)); var_dump(get_domain('https://seos.bolseo.ru/?module=2&siteID=235'));