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run code in 300+ PHP versions simultaneously
<?php function get_host($url) { $host = parse_url($url, PHP_URL_HOST); $names = explode(".", $host); if(count($names) == 1) { return $names[0]; } $names = array_reverse($names); return $names[1] . '.' . $names[0]; } echo get_host('https://google.com'); // google.com echo "\n"; echo get_host('https://www.google.com'); // google.com echo "\n"; echo get_host('https://sub1.sub2.google.com'); // google.com echo "\n"; echo get_host('http://localhost'); // localhost
Output for git.master, git.master_jit, rfc.property-hooks
google.com google.com google.com localhost

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