3v4l.org

run code in 300+ PHP versions simultaneously
<?php function standard_date_format($str) { preg_match_all('/(\d{1,2}) (\w+) (\d{4})/', $str, $matches); $dates = array_map("strtotime", $matches[0]); $result = array_map(function($v) {return date("Y-m-d", $v); }, $dates); return $result; } $str1 = "Company registered on 16 March 2003"; $str2 = "Activity between 10 May 2006 an 10 July 2008 - no changes."; print_r(standard_date_format($str1)); print_r(standard_date_format($str2));
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Array ( [0] => 2003-03-16 ) Array ( [0] => 2006-05-10 [1] => 2008-07-10 )
preferences:
158.76 ms | 404 KiB | 341 Q