3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function lap($func) { $t0 = microtime(1); $numbers = range(0, 1000000); $ret = $func($numbers); $t1 = microtime(1); return array($t1 - $t0, $ret); } function useArray($numbers) { $result = array(); foreach ($numbers as $number) { $result[] = $number * 10; } return $result; } function useMapClosure($numbers) { return array_map(function($number) { return $number * 10; }, $numbers); } function _tenTimes($number) { return $number * 10; } function useMapNamed($numbers) { return array_map('_tenTimes', $numbers); } foreach (array('Array', 'MapClosure', 'MapNamed') as $callback) { list($delay,) = lap("use$callback"); echo "$callback: $delay\n"; }
Output for 7.0.0 - 7.1.0
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 33554440 bytes) in /in/GNSiO on line 14
Process exited with code 255.
Output for 5.3.0 - 5.6.28
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 32 bytes) in /in/GNSiO on line 5
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, expecting ')' in /in/GNSiO on line 20
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, expecting ')' in /in/GNSiO on line 20
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/GNSiO on line 20
Process exited with code 255.