3v4l.org

run code in 300+ PHP versions simultaneously
<?php function struct(string $name, array $class) { $class = serialize($class); global const $$name = $class; } function create(array $class) { $class = unserialize($class); $array = []; foreach($class as $key => $value) { if(is_array($value)) $array =+ [$key => create($value)]; else $array += [$key => $value]; } return $array; } function call(array &$class, string $member, ...$args) { if(!isset($class[$member])) exit($member.' is not a member of the class.'); else { if(!is_callable($class[$member])) return $class[$member]; else { if(!isset($args[0])) $class[$member]($class); } } } struct('myClass', [ 'foo' => 'Hello World!' ]); $obj = create(myClass); echo(call($obj, 'foo'));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
7.0.10.0230.07020.22
7.0.00.0070.08720.20
5.6.160.0030.08720.53
5.6.150.0100.05318.14
5.6.140.0070.04018.19
5.6.130.0130.07718.27
5.6.120.0100.04721.00
5.6.110.0170.05320.99
5.6.100.0070.08321.03
5.6.90.0030.04021.10
5.6.80.0070.06320.40
5.5.300.0070.08717.99
5.5.290.0130.06717.95
5.5.280.0070.07020.89
5.5.270.0070.06720.80
5.5.260.0130.07720.77
5.5.250.0100.06320.46
5.5.240.0270.06720.23

preferences:
140.9 ms | 1394 KiB | 7 Q