3v4l.org

run code in 300+ PHP versions simultaneously
<?php class ScreenLogger { public function debug($message, $data) { echo $message . "<br>" . var_export($data, true) . "<hr>"; } } class ExampleClass { public $logger; public function __construct($logger = null) { $this->logger = $logger; } public function __invoke() { if ($this->logger) { echo "hooray!" } } } $logger = new ScreenLogger(); $example = new ExampleClass($logger); echo var_export($example->logger, true) . "\n"; $example();

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)
7.0.30.0300.08720.24
7.0.20.0230.07720.30
7.0.10.0230.07020.10
7.0.00.0170.08320.10
5.6.180.0300.08020.48
5.6.170.0100.04720.53
5.6.160.0030.08720.46
5.6.150.0030.08318.22
5.6.140.0100.07318.19
5.6.130.0030.04718.15
5.6.120.0000.04721.15
5.6.110.0100.04721.01
5.6.100.0170.07321.12
5.6.90.0170.07321.08
5.6.80.0070.08320.51
5.5.320.0370.06720.29
5.5.310.0230.07320.36
5.5.300.0100.07717.97
5.5.290.0030.04318.08
5.5.280.0130.07720.74
5.5.270.0300.02720.98
5.5.260.0070.06020.80
5.5.250.0000.04320.59
5.5.240.4300.03720.16

preferences:
141.89 ms | 1394 KiB | 7 Q