3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function uuid($c = 4) { $x = function($c) { for ($n = ''; strlen($n) < $c + 1; $n = $n.base_convert(mt_rand(), 10, 16)); return substr($n, -$c); }; return microtime(true) * 10000.'-'.$x($c).'-'.$x($c).'-'.$x($c).'-'.$x($c).'-'.$x($c).'-'.$x($c) ; return sprintf( '%x-%s-%s-%s-%s%s%s', microtime(true) * 10000, $x($c), $x($c), $x($c), $x($c), $x($c), $x($c) ); } $time = microtime(); $uuids = array(); for ($i = 0; $i < 100; $i++) { $uuids[] = uuid(); } if (count(array_unique($uuids)) != count($uuids)) { echo 'DUPLICATED'; } else { echo 'No duplicate'; print_r($uuids); }
based on 0TYSX
Output for 5.4.0 - 5.4.32
Parse error: syntax error, unexpected ''-'' (T_CONSTANT_ENCAPSED_STRING) in /in/68iOc on line 10
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING in /in/68iOc on line 10
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/68iOc on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/68iOc on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/68iOc on line 4
Process exited with code 255.