3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = function ($arguments, $str) { if (!is_string($str)) { return $str; } return strtolower($str); } var_dump($a('AAA'));

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)
5.4.310.0230.07019.23
5.4.300.0200.04318.84
5.4.290.0370.06019.06
5.4.280.0370.03019.24
5.4.270.0330.03719.17
5.4.260.0200.04019.02
5.4.250.0130.04319.08
5.4.240.0270.03019.21
5.4.230.0270.03019.20
5.4.220.0170.04019.01
5.4.210.0200.03719.16
5.4.200.0200.04319.19
5.4.190.0170.04019.08
5.4.180.0100.04319.21
5.4.170.0170.04018.86
5.4.160.0230.04018.85
5.4.150.0200.03718.97
5.4.140.0230.03316.35
5.4.130.0170.03716.31
5.4.120.0170.03716.33
5.4.110.0230.03016.46
5.4.100.0230.04316.52
5.4.90.0230.03016.21
5.4.80.0230.03016.44
5.4.70.0200.04716.54
5.4.60.0200.03316.52
5.4.50.0270.02716.23
5.4.40.0270.02716.38
5.4.30.0200.03316.53
5.4.20.0170.03716.16
5.4.10.0300.02316.53
5.4.00.0200.03716.16
5.3.280.0230.03316.16
5.3.270.0130.04316.16
5.3.260.0170.03716.16
5.3.250.0100.05016.16
5.3.240.0300.04016.16
5.3.230.0200.03716.16
5.3.220.0270.02716.16
5.3.210.0170.04016.16
5.3.200.0200.03716.16
5.3.190.0200.03716.16
5.3.180.0230.04716.16
5.3.170.0270.03016.16
5.3.160.0200.04716.16
5.3.150.0330.03316.16
5.3.140.0270.02716.16
5.3.130.0230.03316.16
5.3.120.0200.03716.16
5.3.110.0200.04016.16
5.3.100.0230.04016.16
5.3.90.0070.04716.16
5.3.80.0270.03016.16
5.3.70.0200.03316.16
5.3.60.0200.03316.16
5.3.50.0230.03016.16
5.3.40.0230.03316.16
5.3.30.0200.03316.16
5.3.20.0200.04316.16
5.3.10.0100.04316.16
5.3.00.0330.03016.16
5.2.170.0200.02316.16
5.2.160.0170.02716.16
5.2.150.0200.02716.16
5.2.140.0300.02316.16
5.2.130.0170.02716.16
5.2.120.0130.03016.16
5.2.110.0230.02716.16
5.2.100.0100.03316.16
5.2.90.0230.02016.16
5.2.80.0200.02716.16
5.2.70.0130.03016.16
5.2.60.0170.02716.16
5.2.50.0170.02716.16
5.2.40.0100.03016.16
5.2.30.0130.02716.16
5.2.20.0100.04016.16
5.2.10.0230.03316.16
5.2.00.0200.04316.16
5.1.60.0170.02716.16
5.1.50.0130.04016.16
5.1.40.0130.03316.16
5.1.30.0130.04716.16
5.1.20.0200.02016.16
5.1.10.0230.03016.16
5.1.00.0170.02716.16
5.0.50.0100.04016.16
5.0.40.0100.04716.16
5.0.30.0070.04716.16
5.0.20.0130.04316.16
5.0.10.0070.04316.16
5.0.00.0070.04016.16
4.4.90.0070.03016.16
4.4.80.0100.01716.16
4.4.70.0100.03016.16
4.4.60.0130.02716.16
4.4.50.0070.02016.16
4.4.40.0130.04316.16
4.4.30.0070.02316.16
4.4.20.0100.02016.16
4.4.10.0070.02016.16
4.4.00.0130.04316.16
4.3.110.0130.03016.16
4.3.100.0070.02716.16
4.3.90.0100.03316.16
4.3.80.0130.03716.16
4.3.70.0100.02316.16
4.3.60.0130.02716.16
4.3.50.0070.02316.16
4.3.40.0130.03716.16
4.3.30.0030.02316.16
4.3.20.0000.02316.16
4.3.10.0030.02716.16
4.3.00.0100.03316.16

preferences:
162.99 ms | 1394 KiB | 7 Q