3v4l.org

run code in 300+ PHP versions simultaneously
<?php $n = 38; $c = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz01234567890-_'; for ($x=0; $x<$n; $x++) { $r .= substr($c, mt_rand(0, strlen($c) - 1), 1); } echo $r;

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)
7.2.00.0030.01319.22
7.1.70.0040.00417.09
7.1.60.0130.01319.40
7.1.50.0120.00617.00
7.1.00.0030.04022.35
7.0.200.0000.01716.82
7.0.140.0000.08022.11
7.0.100.0100.08019.96
7.0.90.0070.08019.95
7.0.80.0230.06719.93
7.0.70.0030.09019.91
7.0.60.0000.08719.88
7.0.50.0100.08320.36
7.0.40.0070.08320.09
7.0.30.0030.04320.19
7.0.20.0030.04320.00
7.0.10.0200.05020.10
7.0.00.0070.04020.16
5.6.280.0100.06721.02
5.6.250.0070.05020.64
5.6.240.0030.08720.69
5.6.230.0100.08320.61
5.6.220.0130.08020.61
5.6.210.0100.08020.47
5.6.200.0100.07721.10
5.6.190.0100.08021.17
5.6.180.0000.04720.98
5.6.170.0100.06020.95
5.6.160.0070.04321.07
5.6.150.0030.04021.13
5.6.140.0100.03320.95
5.6.130.0070.04321.04
5.6.120.0070.05721.08
5.6.110.0070.04321.00
5.6.100.0070.04321.06
5.6.90.0070.04020.91
5.6.80.0100.04020.43
5.6.70.0030.03720.45
5.6.60.0100.03720.38
5.6.50.0000.04320.39
5.6.40.0000.04320.43
5.6.30.0070.03720.42
5.6.20.0030.04020.41
5.6.10.0030.04020.39
5.6.00.0030.05020.51
5.5.380.0070.08020.45
5.5.370.0100.08020.39
5.5.360.0230.07020.34
5.5.350.0030.06720.45
5.5.340.0100.08320.83
5.5.330.0070.07720.90
5.5.320.0100.03720.83
5.5.310.0070.04020.77
5.5.300.0030.04020.82
5.5.290.0070.04720.73
5.5.280.0000.03720.82
5.5.270.0030.04020.87
5.5.260.0100.03720.81
5.5.250.0100.03720.58
5.5.240.0000.04320.11
5.5.230.0000.04320.25
5.5.220.0030.03720.14
5.5.210.0000.04020.15
5.5.200.0030.05720.13
5.5.190.0030.05020.25
5.5.180.0000.04720.23
5.5.160.0070.05720.11
5.5.150.0070.07720.25
5.5.140.0000.07720.19
5.5.130.0030.04019.98
5.5.120.0070.07320.23
5.5.110.0130.04720.25
5.5.100.0030.07020.13
5.5.90.0030.08320.11
5.5.80.0130.07320.07
5.5.70.0170.07020.14
5.5.60.0030.08320.08
5.5.50.0130.06719.91
5.5.40.0100.08019.92
5.5.30.0030.06720.06
5.5.20.0070.08720.09
5.5.10.0030.06720.13
5.5.00.0070.06320.03
5.4.450.0000.03719.38
5.4.440.0000.05019.42
5.4.430.0030.04019.38
5.4.420.0070.03719.39
5.4.410.0000.04019.17
5.4.400.0030.04318.99
5.4.390.0030.04318.81
5.4.380.0070.03318.79
5.4.370.0000.04018.94
5.4.360.0070.04019.05
5.4.350.0070.03319.03
5.4.340.0000.04319.14
5.4.320.0030.08019.12
5.4.310.0070.05019.23
5.4.300.0070.06318.79
5.4.290.0070.08018.78
5.4.280.0100.05719.07
5.4.270.0130.07019.05
5.4.260.0070.07318.78
5.4.250.0130.06719.14
5.4.240.0070.07318.95
5.4.230.0030.07318.77
5.4.220.0070.07019.14
5.4.210.0030.05019.04
5.4.200.0070.07719.05
5.4.190.0030.07319.14
5.4.180.0130.05718.96
5.4.170.0000.05719.02
5.4.160.0030.08018.88
5.4.150.0030.08318.88
5.4.140.0030.07016.27
5.4.130.0070.07016.25
5.4.120.0070.07316.05
5.4.110.0170.03716.36
5.4.100.0070.04016.41
5.4.90.0030.07016.21
5.4.80.0000.08016.42
5.4.70.0100.05716.32
5.4.60.0070.07716.23
5.4.50.0030.06316.18
5.4.40.0030.06316.29
5.4.30.0070.07316.39
5.4.20.0070.05016.18
5.4.10.0100.05316.39
5.4.00.0000.07715.72
5.3.290.0130.05014.61
5.3.280.0100.07314.45
5.3.270.0100.04714.55
5.3.260.0200.05314.51
5.3.250.0130.06014.46
5.3.240.0070.07314.56
5.3.230.0070.06014.46
5.3.220.0100.06014.50
5.3.210.0130.07314.42
5.3.200.0070.07014.43
5.3.190.0200.05314.43
5.3.180.0130.07014.50
5.3.170.0070.04314.55
5.3.160.0130.06714.52
5.3.150.0100.07714.42
5.3.140.0100.07014.41
5.3.130.0130.07014.49
5.3.120.0070.06714.37
5.3.110.0100.07314.40
5.3.100.0070.06714.03
5.3.90.0130.06713.98
5.3.80.0030.08014.02
5.3.70.0070.07313.97
5.3.60.0000.08013.99
5.3.50.0070.07313.71
5.3.40.0070.07313.85
5.3.30.0130.05313.89
5.3.20.0070.05313.64
5.3.10.0070.04313.59
5.3.00.0170.06313.58
5.2.170.0000.06711.61
5.2.160.0030.06311.61
5.2.150.0100.06011.61
5.2.140.0100.05011.61
5.2.130.0030.03311.61
5.2.120.0000.06311.61
5.2.110.0070.06011.61
5.2.100.0070.06011.61
5.2.90.0130.05311.61
5.2.80.0030.06311.61
5.2.70.0030.06311.61
5.2.60.0030.06011.61
5.2.50.0030.05711.61
5.2.40.0070.06011.61
5.2.30.0030.04711.61
5.2.20.0070.05711.61
5.2.10.0000.06711.61
5.2.00.0000.06311.61
5.1.60.0000.05711.61
5.1.50.0030.04711.61
5.1.40.0070.03311.61
5.1.30.0000.05711.61
5.1.20.0070.05311.61
5.1.10.0030.05311.61
5.1.00.0030.04311.61
5.0.50.0030.04711.61
5.0.40.0000.04711.61
5.0.30.0030.06711.61
5.0.20.0070.04011.61
5.0.10.0030.04011.61
5.0.00.0030.06311.61
4.4.90.0070.03011.61
4.4.80.0070.03011.61
4.4.70.0030.03711.61
4.4.60.0070.03311.61
4.4.50.0030.02311.61
4.4.40.0030.05011.61
4.4.30.0030.02311.61
4.4.20.0030.03711.61
4.4.10.0000.03711.61
4.4.00.0070.05011.61
4.3.110.0100.03011.61
4.3.100.0030.03711.61
4.3.90.0030.03711.61
4.3.80.0000.05711.61
4.3.70.0000.03711.61
4.3.60.0000.03711.61
4.3.50.0030.03311.61
4.3.40.0000.05711.61
4.3.30.0030.03311.61
4.3.20.0030.02011.61
4.3.10.0070.03311.61
4.3.00.0100.03011.61

preferences:
37.42 ms | 401 KiB | 5 Q