3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = 'test'; $b = 'test'; echo (bool)($a != $b);

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).
Note: hhvm uses a JIT which only kicks in after a few runs. Since we run scripts only once, hhvm always runs slower.

VersionSystem time (s)User time (s)Memory (MiB)
7.2.00.0040.01119.32
7.1.100.0070.00417.99
7.1.70.0000.00716.98
7.1.60.0070.01719.21
7.1.50.0070.01416.89
7.1.00.0030.03722.48
7.0.200.0370.00314.70
7.0.140.0100.06722.00
7.0.110.0000.08321.71
7.0.100.0000.08721.69
7.0.90.0100.04721.84
7.0.80.0000.04721.74
7.0.70.0000.03321.86
7.0.60.0030.04321.80
7.0.50.0070.04721.89
7.0.40.0100.05019.75
7.0.30.0000.04319.64
7.0.20.0000.08019.74
7.0.10.0000.05319.84
7.0.00.0000.05719.75
5.6.280.0030.07321.08
5.6.260.0030.08320.73
5.6.250.0070.08320.58
5.6.240.0000.05320.70
5.6.230.0030.04020.69
5.6.220.0000.04320.54
5.6.210.0030.03720.61
5.6.200.0070.03720.58
5.6.190.0000.04320.46
5.6.180.0000.04020.64
5.6.170.0030.04720.61
5.6.160.0030.04020.61
5.6.150.0000.04320.55
5.6.140.0000.04020.81
5.6.130.0030.08320.60
5.6.120.0000.04020.55
5.6.110.0000.04320.84
5.6.100.0030.04020.57
5.6.90.0030.04020.67
5.6.80.0030.05719.93
5.6.70.0030.04020.02
5.6.60.0000.03320.06
5.6.50.0030.03720.03
5.6.40.0030.03319.91
5.6.30.0000.04019.91
5.6.20.0030.03020.03
5.6.10.0030.03319.90
5.6.00.0030.03719.82
5.5.380.0070.03317.63
5.5.370.0000.04717.44
5.5.360.0030.03717.64
5.5.350.0030.03717.46
5.5.340.0000.04017.78
5.5.330.0030.04018.03
5.5.320.0130.05018.13
5.5.310.0100.03018.12
5.5.300.0030.03718.01
5.5.290.0030.03718.15
5.5.280.0030.03717.77
5.5.270.0030.03718.12
5.5.260.0100.03718.13
5.5.250.0000.03717.93
5.5.240.0030.03317.23
5.5.230.0000.05317.14
5.5.220.0000.03717.50
5.5.210.0030.03317.24
5.5.200.0070.03017.37
5.5.190.0000.04017.48
5.5.180.0000.04017.45
5.5.160.0000.03717.60
5.5.150.0000.03717.21
5.5.140.0070.03017.20
5.5.130.0000.05017.21
5.5.120.0000.03717.21
5.5.110.0070.06717.50
5.5.100.0000.07317.35
5.5.90.0000.05317.28
5.5.80.0070.05017.11
5.5.70.0030.05017.15
5.5.60.0070.03017.09
5.5.50.0000.07317.01
5.5.40.0030.03017.36
5.5.30.0100.02717.36
5.5.20.0070.07017.10
5.5.10.0070.07717.25
5.5.00.0070.06717.10
5.4.450.0030.03319.33
5.4.440.0030.05319.35
5.4.430.0030.03719.32
5.4.420.0070.03719.36
5.4.410.0000.03719.22
5.4.400.0000.03719.03
5.4.390.0000.05319.08
5.4.380.0000.04019.08
5.4.370.0000.03719.10
5.4.360.0000.04018.95
5.4.350.0030.03319.08
5.4.340.0030.03719.12
5.4.320.0030.03319.10
5.4.310.0000.03719.18
5.4.300.0000.03718.95
5.4.290.0030.03318.93
5.4.280.0030.03718.95
5.4.270.0000.04019.11
5.4.260.0030.04019.00
5.4.250.0070.07019.09
5.4.240.0100.06719.27
5.4.230.0030.04319.00
5.4.220.0000.03719.11
5.4.210.0000.03719.03
5.4.200.0070.07019.00
5.4.190.0000.07318.94
5.4.180.0070.04718.95
5.4.170.0070.06719.16
5.4.160.0030.07319.00
5.4.150.0000.04318.93
5.4.140.0030.04316.58
5.4.130.0030.04016.26
5.4.120.0000.07716.21
5.4.110.0030.07016.51
5.4.100.0070.06716.41
5.4.90.0000.04016.27
5.4.80.0070.06716.23
5.4.70.0030.07316.12
5.4.60.0000.07716.48
5.4.50.0100.06316.50
5.4.40.0070.03716.31
5.4.30.0100.05016.22
5.4.20.0030.06016.50
5.4.10.0070.07016.46
5.4.00.0070.06715.65
5.3.290.0000.04014.58
5.3.280.0100.07014.53
5.3.270.0030.07314.53
5.3.260.0030.07014.66
5.3.250.0070.06714.52
5.3.240.0130.06314.49
5.3.230.0070.05014.47
5.3.220.0030.04014.50
5.3.210.0000.08314.41
5.3.200.0070.04314.62
5.3.190.0030.07014.35
5.3.180.0070.07014.61
5.3.170.0000.07314.57
5.3.160.0000.07014.45
5.3.150.0000.07014.45
5.3.140.0030.04314.44
5.3.130.0030.07314.62
5.3.120.0070.07014.56
5.3.110.0030.06314.48
5.3.100.0070.07013.97
5.3.90.0030.07013.95
5.3.80.0030.04014.02
5.3.70.0070.06714.09
5.3.60.0030.07314.00
5.3.50.0000.07713.96
5.3.40.0000.07313.97
5.3.30.0000.07713.80
5.3.20.0070.06713.47
5.3.10.0000.03013.50
5.3.00.0000.03313.42
5.2.170.0100.04311.93
5.2.160.0000.06011.93
5.2.150.0070.05711.93
5.2.140.0070.05711.93
5.2.130.0030.05711.93
5.2.120.0000.05311.93
5.2.110.0030.06011.93
5.2.100.0030.02711.93
5.2.90.0030.02711.93
5.2.80.0030.06011.93
5.2.70.0000.06311.93
5.2.60.0030.06011.93
5.2.50.0000.06011.93
5.2.40.0100.05311.93
5.2.30.0000.04311.93
5.2.20.0000.03011.93
5.2.10.0100.04711.93
5.2.00.0030.05311.93
5.1.60.0030.03711.93
5.1.50.0070.03711.93
5.1.40.0030.04711.93
5.1.30.0000.05311.93
5.1.20.0000.05711.93
5.1.10.0000.04711.93
5.1.00.0000.05311.93
5.0.50.0070.02011.93
5.0.40.0000.04311.93
5.0.30.0070.05711.93
5.0.20.0000.01711.93
5.0.10.0000.04011.93
5.0.00.0000.05711.93
4.4.90.0070.03011.93
4.4.80.0000.03711.93
4.4.70.0100.02711.93
4.4.60.0030.03011.93
4.4.50.0000.02711.93
4.4.40.0000.04711.93
4.4.30.0030.03011.93
4.4.20.0030.02711.93
4.4.10.0030.02711.93
4.4.00.0000.04311.93
4.3.110.0000.03711.93
4.3.100.0000.03311.93
4.3.90.0000.03011.93
4.3.80.0000.05311.93
4.3.70.0030.02711.93
4.3.60.0000.03011.93
4.3.50.0000.01311.93
4.3.40.0030.02711.93
4.3.30.0000.03711.93
4.3.20.0000.03311.93
4.3.10.0030.02311.93
4.3.00.0000.02711.93