3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo hexdec(uniqid()) .PHP_EOL; echo uniqid(); echo substr(uniqid(), 0, 16);

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)
7.3.10.0070.00716.34
7.3.00.0070.00716.37
7.2.130.0030.00616.86
7.2.120.0090.00316.91
7.2.110.0030.00616.80
7.2.100.0030.01216.89
7.2.90.0070.00716.78
7.2.80.0080.00516.65
7.2.70.0060.00916.82
7.2.60.0060.00616.81
7.2.50.0040.00816.88
7.2.40.0040.01116.57
7.2.30.0030.01016.98
7.2.20.0070.00316.81
7.2.10.0030.00716.85
7.2.00.0050.01017.83
7.1.250.0000.01515.73
7.1.70.0030.00617.09
7.1.60.0130.01319.14
7.1.50.0030.00916.57
7.1.00.0070.07322.54
7.0.200.0000.00716.69
7.0.140.0070.07021.96
7.0.60.0030.07319.88
7.0.50.0100.07017.71
7.0.40.0000.05020.40
7.0.30.0230.04320.21
7.0.20.0270.06020.20
7.0.10.0070.08720.04
7.0.00.0070.04320.29
5.6.280.0030.07320.82
5.6.210.0200.06020.64
5.6.200.0170.07018.15
5.6.190.0100.05020.61
5.6.180.0170.05720.64
5.6.170.0330.08320.50
5.6.160.0100.08020.49
5.6.150.0130.07018.15
5.6.140.0130.07718.11
5.6.130.0030.04318.06
5.6.120.0100.08321.14
5.6.110.0130.08020.97
5.6.100.0130.07320.98
5.6.90.0070.07720.99
5.6.80.0170.06320.27
5.6.70.4170.03720.42
5.5.350.0170.07320.45
5.5.340.0030.04018.02
5.5.330.0100.05020.40
5.5.320.0170.05720.17
5.5.310.0170.05020.12
5.5.300.0070.04017.91
5.5.290.0130.06018.05
5.5.280.0170.07720.86
5.5.270.0030.08020.71
5.5.260.0030.04020.71
5.5.250.0070.08320.57
5.5.240.0270.04020.25
5.4.450.0230.07019.39
5.4.440.0770.06719.21
5.4.430.0770.05319.21
5.4.420.0100.05719.68
5.4.410.0230.05319.36
5.4.400.0670.05718.83
5.4.390.0470.07018.68
5.4.380.0300.06718.61
5.4.370.0200.06018.70
5.4.360.4270.07018.51
5.4.350.0060.05711.97
5.4.340.0050.05311.96
5.4.320.0050.05012.45
5.4.310.0060.03912.45
5.4.300.0050.03812.45
5.4.290.0060.04112.45
5.4.280.0080.04912.34
5.4.270.0080.05412.35
5.4.260.0120.03912.34
5.4.250.0040.04012.35
5.4.240.0080.03412.34
5.4.230.0050.03912.34
5.4.220.0090.03912.34
5.4.210.0070.03812.34
5.4.200.0070.04212.34
5.4.190.0080.03612.34
5.4.180.0060.03812.33
5.4.170.0080.05212.34
5.4.160.0020.04512.34
5.4.150.0060.03512.34
5.4.140.0080.03512.02
5.4.130.0110.03212.01
5.4.120.0060.03811.97
5.4.110.0090.04311.96
5.4.100.0070.03611.96
5.4.90.0070.04211.96
5.4.80.0080.03611.96
5.4.70.0120.03111.96
5.4.60.0090.03811.96
5.4.50.0070.03911.96
5.4.40.0100.03611.95
5.4.30.0070.03511.95
5.4.20.0080.03311.95
5.4.10.0050.05011.95
5.4.00.0090.04211.44
5.3.290.0090.03812.80
5.3.280.0070.03912.70
5.3.270.0060.04012.73
5.3.260.0060.03912.71
5.3.250.0050.04012.72
5.3.240.0050.04012.72
5.3.230.0080.03812.71
5.3.220.0090.03412.68
5.3.210.0100.04212.68
5.3.200.0070.04012.68
5.3.190.0040.05012.68
5.3.180.0050.05212.68
5.3.170.0050.03912.67
5.3.160.0080.03512.67
5.3.150.0080.03612.67
5.3.140.0050.03612.66
5.3.130.0100.04112.65
5.3.120.0110.04312.66
5.3.110.0070.04712.65
5.3.100.0060.03712.12
5.3.90.0080.03512.08
5.3.80.0040.04612.07
5.3.70.0070.03812.08
5.3.60.0110.03212.06
5.3.50.0110.03212.00
5.3.40.0050.03912.00
5.3.30.0060.04211.95
5.3.20.0100.04311.72
5.3.10.0080.03811.69
5.3.00.0060.03611.68
5.2.170.0020.0339.18
5.2.160.0050.0399.18
5.2.150.0110.0259.18
5.2.140.0050.0309.18
5.2.130.0070.0289.14
5.2.120.0050.0299.14
5.2.110.0030.0309.14
5.2.100.0070.0299.14
5.2.90.0030.0329.14
5.2.80.0040.0359.14
5.2.70.0020.0349.14
5.2.60.0030.0329.09
5.2.50.0030.0359.05
5.2.40.0090.0369.04
5.2.30.0070.0419.01
5.2.20.0030.0319.00
5.2.10.0070.0268.94
5.2.00.0060.0358.79
5.1.60.0020.0278.08
5.1.50.0050.0258.07
5.1.40.0060.0248.05
5.1.30.0060.0238.41
5.1.20.0040.0268.43
5.1.10.0040.0268.16
5.1.00.0050.0248.15
5.0.50.0050.0206.63
5.0.40.0030.0206.49
5.0.30.0040.0316.30
5.0.20.0060.0186.27
5.0.10.0050.0196.25
5.0.00.0040.0306.24
4.4.90.0030.0154.78
4.4.80.0050.0174.76
4.4.70.0030.0214.76
4.4.60.0020.0164.75
4.4.50.0050.0144.77
4.4.40.0030.0264.71
4.4.30.0050.0194.76
4.4.20.0040.0164.84
4.4.10.0030.0184.85
4.4.00.0020.0264.76
4.3.110.0000.0194.67
4.3.100.0020.0164.67
4.3.90.0020.0154.63
4.3.80.0030.0274.58
4.3.70.0020.0234.63
4.3.60.0030.0224.63
4.3.50.0060.0164.63
4.3.40.0020.0254.54
4.3.30.0020.0163.29
4.3.20.0040.0203.27
4.3.10.0040.0163.23
4.3.00.0000.02310.97

preferences:
36.7 ms | 400 KiB | 5 Q