3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo uniqid(openssl_random_pseudo_bytes(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)
7.2.00.0000.01219.24
7.1.70.0030.00717.15
7.1.60.0040.01519.40
7.1.50.0070.01716.86
7.1.00.0030.07722.52
7.0.200.0030.00316.42
7.0.140.0030.07321.95
7.0.60.0100.07019.97
7.0.50.0030.06717.83
7.0.40.0100.04020.30
7.0.30.0230.05320.09
7.0.20.0170.04020.00
7.0.10.0030.05320.12
7.0.00.0070.03720.23
5.6.280.0000.07320.77
5.6.210.0100.08320.50
5.6.200.0130.07318.08
5.6.190.0130.08320.67
5.6.180.0330.07020.66
5.6.170.0230.07320.33
5.6.160.0070.05720.33
5.6.150.0030.07718.11
5.6.140.0030.07318.21
5.6.130.0100.05018.19
5.6.120.0000.06720.89
5.6.110.0070.08021.01
5.6.100.0030.09021.00
5.6.90.0070.07321.15
5.6.80.0070.03320.48
5.5.350.0100.08020.36
5.5.340.0100.06717.95
5.5.330.0000.05720.21
5.5.320.0030.07720.39
5.5.310.0300.07720.57
5.5.300.0030.04318.07
5.5.290.0100.08018.07
5.5.280.0070.03720.79
5.5.270.0170.07320.97
5.5.260.0070.08020.75
5.5.250.0100.06020.79
5.5.240.0300.05720.27
5.4.450.0530.06319.42
5.4.440.0370.07019.14
5.4.430.0000.06719.37
5.4.420.0030.06319.16
5.4.410.0230.07019.23
5.4.400.0200.04719.21
5.4.390.0100.05319.02
5.4.380.0070.05318.62
5.4.370.0070.05318.57
5.4.360.0170.04718.59
5.4.350.0060.03711.97
5.4.340.0070.03811.96
5.4.320.0030.03912.45
5.4.310.0070.03712.45
5.4.300.0060.03612.45
5.4.290.0100.04012.45
5.4.280.0050.03812.35
5.4.270.0080.03612.34
5.4.260.0050.03612.35
5.4.250.0050.04112.34
5.4.240.0070.04012.34
5.4.230.0090.03412.34
5.4.220.0100.03312.34
5.4.210.0060.03512.34
5.4.200.0020.04212.34
5.4.190.0060.03512.33
5.4.180.0060.04112.34
5.4.170.0070.03412.35
5.4.160.0070.03412.34
5.4.150.0090.03612.34
5.4.140.0050.05112.02
5.4.130.0040.03812.01
5.4.120.0050.03711.97
5.4.110.0070.03411.96
5.4.100.0040.04511.96
5.4.90.0050.03811.96
5.4.80.0070.03611.96
5.4.70.0060.03511.96
5.4.60.0050.03511.96
5.4.50.0110.04111.96
5.4.40.0060.04111.95
5.4.30.0090.03211.95
5.4.20.0040.03711.95
5.4.10.0050.03511.95
5.4.00.0050.03811.44
5.3.290.0080.03712.80
5.3.280.0050.03912.71
5.3.270.0110.03512.72
5.3.260.0080.03812.72
5.3.250.0060.03812.71
5.3.240.0120.03112.71
5.3.230.0070.03712.71
5.3.220.0100.04112.68
5.3.210.0040.04212.68
5.3.200.0060.03612.68
5.3.190.0060.03712.68
5.3.180.0080.03412.67
5.3.170.0070.03512.66
5.3.160.0060.03812.67
5.3.150.0070.04012.67
5.3.140.0100.03512.66
5.3.130.0080.03912.66
5.3.120.0080.03612.66
5.3.110.0050.03912.66
5.3.100.0080.03412.12
5.3.90.0090.03312.08
5.3.80.0060.03512.08
5.3.70.0040.03612.07
5.3.60.0050.03612.06
5.3.50.0040.04112.00
5.3.40.0080.03412.00
5.3.30.0050.03411.95
5.3.20.0050.03711.72
5.3.10.0050.03511.69
5.3.00.0030.04411.68
5.2.170.0060.0339.18
5.2.160.0030.0389.18
5.2.150.0020.0319.18
5.2.140.0060.0289.18
5.2.130.0040.0289.14
5.2.120.0070.0249.14
5.2.110.0090.0349.14
5.2.100.0070.0329.13
5.2.90.0050.0369.14
5.2.80.0110.0279.13
5.2.70.0070.0329.13
5.2.60.0050.0329.09
5.2.50.0020.0339.05
5.2.40.0050.0279.03
5.2.30.0050.0359.01
5.2.20.0040.0289.00
5.2.10.0060.0328.92
5.2.00.0070.0328.78
5.1.60.0030.0288.06
5.1.50.0050.0298.06
5.1.40.0020.0258.04
5.1.30.0070.0318.39
5.1.20.0060.0248.41
5.1.10.0040.0268.14
5.1.00.0070.0248.14
5.0.50.0040.0206.62
5.0.40.0040.0276.47
5.0.30.0030.0316.29
5.0.20.0040.0186.26
5.0.10.0030.0196.23
5.0.00.0010.0326.23
4.4.90.0030.0154.77
4.4.80.0040.0134.75
4.4.70.0030.0154.76
4.4.60.0060.0124.75
4.4.50.0040.0134.77
4.4.40.0030.0244.71
4.4.30.0020.0164.76
4.4.20.0000.0194.85
4.4.10.0020.0174.85
4.4.00.0040.0234.76
4.3.110.0020.0164.67
4.3.100.0030.0144.66
4.3.90.0010.0164.63
4.3.80.0040.0234.58
4.3.70.0040.0124.63
4.3.60.0010.0164.63
4.3.50.0030.0154.63
4.3.40.0030.0234.53
4.3.30.0020.0163.28
4.3.20.0000.0183.25
4.3.10.0040.0163.21
4.3.00.0100.0207.04

preferences:
38.4 ms | 401 KiB | 5 Q