3v4l.org

run code in 300+ PHP versions simultaneously
<?php srand(0); var_dump(str_shuffle('abcdefghijklmnopqrstuvwxyz')); srand(0); var_dump(str_shuffle('abcdefghijklmnopqrstuvwxyz')); for ($i = 1; $i < 100; ++$i) { srand($i); var_dump(str_shuffle('abcdefghijklmnopqrstuvwxyz')); }

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)
7.1.70.0000.01117.28
7.1.60.0100.01719.47
7.1.50.0160.00916.95
7.1.00.0070.07722.36
7.0.200.0030.00616.78
7.0.100.0070.08319.99
7.0.90.0330.05319.86
7.0.80.0070.08019.89
7.0.70.0030.06319.93
7.0.60.0330.08019.92
7.0.50.0070.08020.25
7.0.40.0130.06720.18
7.0.30.0070.06720.14
7.0.20.0030.07719.94
7.0.10.0100.04020.03
7.0.00.0100.06320.17
5.6.280.0130.06321.13
5.6.250.0130.07720.50
5.6.240.0130.07720.51
5.6.230.0100.08320.71
5.6.220.0230.04720.62
5.6.210.0100.06020.49
5.6.200.0000.05321.03
5.6.190.0100.08721.09
5.6.180.0100.08021.10
5.6.170.0100.08321.11
5.6.160.0170.08321.07
5.6.150.0230.04021.00
5.6.140.0100.04721.17
5.6.130.0000.06321.02
5.6.120.0100.08021.06
5.6.110.0100.08021.00
5.6.100.0030.04721.03
5.6.90.0230.07321.02
5.6.80.0130.07020.48
5.6.70.0070.08020.51
5.6.60.0070.04720.41
5.6.50.0230.04720.50
5.6.40.0100.09020.38
5.6.30.0070.07320.42
5.6.20.0000.06720.39
5.6.10.0130.07020.39
5.6.00.0070.07720.35
5.5.380.0000.08720.40
5.5.370.0070.08020.35
5.5.360.0070.08320.53
5.5.350.0170.07020.39
5.5.340.0030.05020.83
5.5.330.0070.08320.92
5.5.320.0200.07320.77
5.5.310.0070.04320.89
5.5.300.0130.07720.90
5.5.290.0100.04020.79
5.5.280.0100.05020.76
5.5.270.0030.05720.76
5.5.260.0070.04720.82
5.5.250.0070.08020.58
5.5.240.0030.04020.18
5.5.230.0130.07720.01
5.5.220.0030.07320.23
5.5.210.0070.07720.30
5.5.200.0130.06320.27
5.5.190.0170.07720.17
5.5.180.0000.08720.24
5.5.160.0070.05720.15
5.5.150.0170.07320.18
5.5.140.0000.05720.11
5.5.130.0000.07020.26
5.5.120.0070.05020.14
5.5.110.0030.04320.19
5.5.100.0130.04320.08
5.5.90.0030.04020.10
5.5.80.0030.04020.03
5.5.70.0070.03720.05
5.5.60.0070.03320.09
5.5.50.0070.03720.02
5.5.40.0030.04020.05
5.5.30.0070.03720.08
5.5.20.0030.04020.08
5.5.10.0100.03320.06
5.5.00.0030.04320.01

preferences:
37.84 ms | 400 KiB | 5 Q