3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('hello', 'NO'); var_dump('Start A', $a); $b = $a; var_dump('Start B', $b); b[] = ':O'; var_dump('End B', $b); var_dump('End A', $a);

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)
5.4.310.0230.04019.25
5.4.300.0300.07019.12
5.4.290.0270.07019.10
5.4.280.0100.04019.19
5.4.270.0300.07019.22
5.4.260.0370.06318.93
5.4.250.0270.06718.93
5.4.240.0230.05719.07
5.4.230.0230.03319.09
5.4.220.0200.04019.16
5.4.210.0270.03019.03
5.4.200.0270.05319.15
5.4.190.0370.03319.21
5.4.180.0200.04719.13
5.4.170.0200.03719.03
5.4.160.0270.04319.21
5.4.150.0200.04018.90
5.4.140.0230.04016.21
5.4.130.0200.03716.39
5.4.120.0270.03016.50
5.4.110.0330.03316.48
5.4.100.0300.05716.52
5.4.90.0300.07016.48
5.4.80.0300.03016.57
5.4.70.0200.04016.54
5.4.60.0200.03316.33
5.4.50.0130.04016.61
5.4.40.0170.04016.22
5.4.30.0300.02716.45
5.4.20.0200.03716.50
5.4.10.0270.03016.53
5.4.00.0170.04315.78
5.3.280.0230.04714.61
5.3.270.0200.04014.53
5.3.260.0230.04014.62
5.3.250.0230.06014.39
5.3.240.0230.03314.52
5.3.230.0170.04014.50
5.3.220.0270.04014.49
5.3.210.0230.07314.45
5.3.200.0270.06314.67
5.3.190.0270.05014.52
5.3.180.0170.04014.51
5.3.170.0100.04314.51
5.3.160.0130.05014.49
5.3.150.0200.04314.50
5.3.140.0230.05314.57
5.3.130.0170.04014.52
5.3.120.0230.04014.45
5.3.110.0170.04014.52
5.3.100.0330.04014.00
5.3.90.0800.04013.94
5.3.80.0500.04013.84
5.3.70.0600.04014.01
5.3.60.0530.03713.95
5.3.50.0670.03313.78
5.3.40.0170.04013.87
5.3.30.0230.03313.75
5.3.20.0700.02713.67
5.3.10.0170.04013.47
5.3.00.0270.02713.58
5.2.170.0170.03011.09
5.2.160.0200.02711.04
5.2.150.0200.02711.07
5.2.140.0130.03311.13
5.2.130.0200.02311.11
5.2.120.0200.02310.93
5.2.110.0170.02711.02
5.2.100.0100.03311.04
5.2.90.0130.03011.08
5.2.80.0170.02711.10
5.2.70.0070.03311.02
5.2.60.0130.03011.05
5.2.50.0170.02710.84
5.2.40.0100.03010.99
5.2.30.0130.02710.86
5.2.20.0300.02010.89
5.2.10.0130.03010.91
5.2.00.0170.02710.72
5.1.60.0130.02310.01
5.1.50.0070.0309.94
5.1.40.0130.0239.88
5.1.30.0130.02310.30
5.1.20.0100.03010.20
5.1.10.0130.0279.96
5.1.00.0070.0309.98
5.0.50.0100.0238.50
5.0.40.0030.0208.26
5.0.30.0030.0338.12
5.0.20.0030.0208.20
5.0.10.0070.0178.23
5.0.00.0070.0478.20
4.4.90.0070.0136.04
4.4.80.0030.0176.04
4.4.70.0030.0176.04
4.4.60.0070.0206.04
4.4.50.0070.0136.04
4.4.40.0030.0276.04
4.4.30.0070.0206.04
4.4.20.0070.0136.04
4.4.10.0070.0136.04
4.4.00.0070.0236.04
4.3.110.0070.0136.04
4.3.100.0030.0176.04
4.3.90.0000.0206.04
4.3.80.0100.0276.04
4.3.70.0070.0206.04
4.3.60.0070.0206.04
4.3.50.0070.0236.04
4.3.40.0070.0236.04
4.3.30.0370.0176.04
4.3.20.0030.0306.04
4.3.10.0070.0136.04
4.3.00.0070.0136.04

preferences:
143.32 ms | 1394 KiB | 7 Q