3v4l.org

run code in 300+ PHP versions simultaneously
<?php $state = pack('l*', mt_rand(), mt_rand()); var_dump(bin2hex($state));

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)
7.2.00.0100.00319.20
7.1.70.0070.00316.79
7.1.60.0120.01219.46
7.1.50.0040.01516.84
7.1.00.0070.07022.36
7.0.200.0110.00016.46
7.0.140.0070.07021.95
7.0.60.0030.05720.06
7.0.50.0000.05717.89
7.0.40.0170.04720.30
7.0.30.0400.05720.20
7.0.20.0270.05020.00
7.0.10.0070.08319.95
7.0.00.0130.08320.17
5.6.280.0030.09021.07
5.6.210.0030.04020.49
5.6.200.0130.07718.19
5.6.190.0070.04320.33
5.6.180.4200.04720.61
5.6.170.0300.06320.33
5.6.160.0130.08720.40
5.6.150.0030.04018.12
5.6.140.0070.08318.12
5.6.130.0030.05718.08
5.6.120.0100.08320.96
5.6.110.0000.06721.09
5.6.100.0130.08021.00
5.6.90.0070.08321.02
5.6.80.0030.04020.36
5.6.70.4300.03720.42
5.5.350.0070.08020.43
5.5.340.0030.08717.96
5.5.330.0100.04020.21
5.5.320.0270.06020.20
5.5.310.0270.05320.50
5.5.300.0070.08317.98
5.5.290.0170.04318.00
5.5.280.0100.04720.89
5.5.270.0170.07020.78
5.5.260.0130.08020.82
5.5.250.0070.05720.57
5.5.240.0370.05720.15
5.4.450.0170.06019.32
5.4.440.0330.05319.43
5.4.430.0130.05719.43
5.4.420.0630.00019.45
5.4.410.0200.05318.88
5.4.400.0270.06718.80
5.4.390.0270.04318.52
5.4.380.0270.05318.71
5.4.370.0070.04318.72
5.4.360.0130.03318.73
5.4.350.0040.03811.97
5.4.340.0080.03411.96
5.4.320.0070.04312.45
5.4.310.0040.04012.45
5.4.300.0080.04112.45
5.4.290.0080.04012.45
5.4.280.0120.03912.34
5.4.270.0050.05112.34
5.4.260.0080.04412.34
5.4.250.0070.03912.34
5.4.240.0050.03912.35
5.4.230.0070.03812.34
5.4.220.0040.04012.34
5.4.210.0070.03612.34
5.4.200.0080.04212.34
5.4.190.0100.03612.34
5.4.180.0080.04312.34
5.4.170.0130.06312.34
5.4.160.0120.05212.34
5.4.150.0060.05412.34
5.4.140.0100.04412.02
5.4.130.0060.03812.01
5.4.120.0050.04011.96
5.4.110.0070.03711.96
5.4.100.0090.03411.97
5.4.90.0050.04111.96
5.4.80.0050.04011.96
5.4.70.0060.03811.96
5.4.60.0040.03811.96
5.4.50.0080.03811.96
5.4.40.0120.03711.95
5.4.30.0070.04011.95
5.4.20.0100.03511.95
5.4.10.0090.03511.95
5.4.00.0070.03611.43
5.3.290.0060.03912.80
5.3.280.0070.04012.70
5.3.270.0120.03512.73
5.3.260.0100.03612.71
5.3.250.0100.04212.71
5.3.240.0060.03912.72
5.3.230.0070.05412.71
5.3.220.0080.06112.68
5.3.210.0110.05812.68
5.3.200.0110.05612.68
5.3.190.0070.06112.68
5.3.180.0080.05612.68
5.3.170.0060.04512.67
5.3.160.0130.05512.68
5.3.150.0100.06212.67
5.3.140.0090.05512.66
5.3.130.0060.04312.66
5.3.120.0090.04112.66
5.3.110.0120.05012.65
5.3.100.0070.05112.12
5.3.90.0080.04812.08
5.3.80.0060.04212.07
5.3.70.0110.03312.07
5.3.60.0070.04112.07
5.3.50.0080.04312.00
5.3.40.0060.04512.00
5.3.30.0100.03811.94
5.3.20.0110.04611.72
5.3.10.0100.04611.69
5.3.00.0070.04511.68
5.2.170.0110.0469.18
5.2.160.0100.0519.18
5.2.150.0050.0489.18
5.2.140.0050.0359.18
5.2.130.0100.0249.14
5.2.120.0070.0279.14
5.2.110.0030.0329.14
5.2.100.0060.0309.14
5.2.90.0040.0329.14
5.2.80.0060.0409.13
5.2.70.0030.0379.13
5.2.60.0150.0579.09
5.2.50.0080.0449.06
5.2.40.0070.0349.04
5.2.30.0050.0369.01
5.2.20.0080.0388.99
5.2.10.0080.0358.91
5.2.00.0110.0318.77
5.1.60.0120.0318.06
5.1.50.0090.0238.05
5.1.40.0090.0338.04
5.1.30.0080.0368.39
5.1.20.0050.0378.41
5.1.10.0070.0338.13
5.1.00.0070.0328.13
5.0.50.0040.0216.61
5.0.40.0080.0166.47
5.0.30.0040.0436.29
5.0.20.0040.0226.26
5.0.10.0050.0276.23
5.0.00.0070.0376.22
4.4.90.0040.0154.78
4.4.80.0060.0174.76
4.4.70.0040.0154.75
4.4.60.0070.0304.76
4.4.50.0120.0404.77
4.4.40.0020.0384.70
4.4.30.0060.0214.76
4.4.20.0080.0354.84
4.4.10.0050.0214.85
4.4.00.0030.0334.76
4.3.110.0050.0154.67
4.3.100.0040.0154.67
4.3.90.0040.0154.63
4.3.80.0050.0244.58
4.3.70.0030.0164.63
4.3.60.0030.0234.63
4.3.50.0040.0214.63
4.3.40.0060.0304.54
4.3.30.0040.0213.27
4.3.20.0040.0223.26
4.3.10.0040.0223.22
4.3.00.0070.0206.60

preferences:
35.48 ms | 400 KiB | 5 Q