3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace T; function callWithArgs(callable $callback, ...$args) { return function(...$params) use($callback, $args) { $args = array_merge($params, $args); return $callback(...$args); } } $t = callWithArgs('substr', 0, 5); $string = 'Lorem ipsum dolor simet'; var_dump( $t($string) ); // "Lorem"

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)
7.0.20.0230.08720.16
7.0.10.0070.07320.06
7.0.00.0070.07720.12
5.6.170.0070.04720.56
5.6.160.0130.05720.57
5.6.150.0000.06018.17
5.6.140.0070.03718.15
5.6.130.0030.04018.19
5.6.120.0000.05721.10
5.6.110.0170.07721.00
5.6.100.0070.03720.96
5.6.90.0030.08020.96
5.6.80.0130.06720.35
5.5.310.0300.08320.27
5.5.300.0000.08318.08
5.5.290.0000.04717.98
5.5.280.0100.08020.80
5.5.270.0200.07720.88
5.5.260.0070.04020.79
5.5.250.0000.04320.70
5.5.240.0300.07320.23

preferences:
132.65 ms | 1398 KiB | 7 Q