Online PHP editor | refs for RA2US

<?php $tests = [ "February 13 2022 10:08 PM", "March 23 2022 00:20 AM", "April 3 2022 11:20 PM", "May 28 2022 12:20 AM", "June 12 2022 21:20 PM", "July 4 2022 13:20 AM", ]; $tests = preg_replace( [ '/(?:0\d|1[01]):\d{2}\K AM/', '/(?:2\d|1[3-9]):\d{2}\K [AP]M/', ], '', $tests ); var_export($tests); foreach ($tests as $test) { echo date('Y-m-d H:i:s', strtotime($test)) . "\n"; }