Online PHP editor | output for Im98q

@ 2017-09-27T16:08:55Z

<?php

	function calculate_birth_year($age, $day_month_string)
	{
	    $now = new DateTime("now",  new DateTimeZone('America/New_York'));
		if (preg_match('#^([0-9]+) ([a-z]+)$#', $day_month_string))
		{
			$dt = new DateTime($day_month_string, new DateTimeZone('America/New_York'));
			if ($dt > $now) {
			    ++$age;
			}
			return $dt->modify("$age years ago")->format('Y');
		}
		else
			return false;
	}

	echo calculate_birth_year('34', '7 dec');

Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 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 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: 1982
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 1982

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