3v4l.org

run code in 300+ PHP versions simultaneously
<?php function get_unique_id(){ return uniqid("nat_", true); } $output = get_unique_id(); echo $output; ?>

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)
7.2.00.0030.00919.50
7.1.70.0000.00717.31
7.1.60.0100.01619.70
7.1.50.0110.01116.96
7.1.00.0030.07722.33
7.0.200.0330.00414.71
7.0.140.0030.07021.99
7.0.60.0030.08719.91
7.0.50.0030.08717.72
7.0.40.0030.04320.18
7.0.30.0270.05020.45
7.0.20.0230.05720.02
7.0.10.0300.07020.16
7.0.00.0030.08020.07
5.6.280.0030.07721.00
5.6.210.0030.04020.67
5.6.200.0030.07018.18
5.6.190.0000.09020.48
5.6.180.0030.04020.61
5.6.170.0300.03720.71
5.6.160.0000.04320.39
5.6.150.0030.08718.23
5.6.140.0100.08018.12
5.6.130.0030.08318.14
5.6.120.0030.04321.05
5.6.110.0130.07321.00
5.6.100.0030.06321.12
5.6.90.0170.07720.95
5.6.80.0070.08020.42
5.6.70.4270.03720.28
5.5.350.0030.08320.30
5.5.340.0070.08317.95
5.5.330.0070.08320.29
5.5.320.0070.05020.33
5.5.310.0270.06320.39
5.5.300.0000.07017.92
5.5.290.0130.07317.95
5.5.280.0030.04020.73
5.5.270.0130.04720.80
5.5.260.0070.05720.95
5.5.250.0130.05020.57
5.5.240.0100.07720.16
5.4.450.0700.05019.30
5.4.440.0670.04719.38
5.4.430.0600.03719.19
5.4.420.0200.04019.64
5.4.410.0430.04319.44
5.4.400.0230.03719.10
5.4.390.0200.04019.24
5.4.380.0030.06318.78
5.4.370.0100.05318.69
5.4.360.0100.05018.54
5.4.350.0070.06318.62
5.4.340.0070.06318.68
5.4.320.0050.04112.51
5.4.310.0070.03812.50
5.4.300.0040.04012.51
5.4.290.0060.03812.50
5.4.280.0050.03512.40
5.4.270.0080.03712.40
5.4.260.0100.04512.40
5.4.250.0110.04612.40
5.4.240.0060.03512.41
5.4.230.0060.03712.39
5.4.220.0090.03212.39
5.4.210.0070.03512.40
5.4.200.0060.03812.40
5.4.190.0070.03512.39
5.4.180.0050.03612.39
5.4.170.0050.03612.39
5.4.160.0050.03612.40
5.4.150.0070.03412.39
5.4.140.0050.04012.07
5.4.130.0080.03412.07
5.4.120.0070.03612.02
5.4.110.0090.03912.01
5.4.100.0080.04312.02
5.4.90.0050.03912.02
5.4.80.0060.03512.02
5.4.70.0090.03512.02
5.4.60.0050.04112.01
5.4.50.0060.03612.02
5.4.40.0060.04312.00
5.4.30.0050.03812.00
5.4.20.0080.03312.00
5.4.10.0040.03612.00
5.4.00.0050.03611.49
5.3.290.0060.03712.80
5.3.280.0050.04012.71
5.3.270.0080.04812.73
5.3.260.0050.04112.72
5.3.250.0060.03812.72
5.3.240.0070.03712.72
5.3.230.0080.03612.71
5.3.220.0080.03512.68
5.3.210.0040.04112.68
5.3.200.0100.04312.68
5.3.190.0050.03912.68
5.3.180.0020.04012.68
5.3.170.0080.03412.66
5.3.160.0080.04212.67
5.3.150.0030.04512.67
5.3.140.0070.03912.66
5.3.130.0050.04012.65
5.3.120.0050.04912.66
5.3.110.0060.04112.66
5.3.100.0100.04312.12
5.3.90.0020.04012.11
5.3.80.0070.04212.10
5.3.70.0080.03312.09
5.3.60.0040.03812.08
5.3.50.0080.04212.02
5.3.40.0050.05012.02
5.3.30.0080.03311.98
5.3.20.0090.03711.77
5.3.10.0080.03311.73
5.3.00.0050.04011.72
5.2.170.0070.0279.22
5.2.160.0040.0309.21
5.2.150.0050.0299.21
5.2.140.0060.0309.21
5.2.130.0060.0339.17
5.2.120.0070.0269.17
5.2.110.0020.0329.18
5.2.100.0040.0299.18
5.2.90.0030.0309.18
5.2.80.0040.0319.17
5.2.70.0050.0309.17
5.2.60.0050.0309.13
5.2.50.0050.0359.10
5.2.40.0070.0309.07
5.2.30.0070.0369.04
5.2.20.0070.0309.04
5.2.10.0080.0248.94
5.2.00.0050.0288.80
5.1.60.0050.0248.09
5.1.50.0060.0248.08
5.1.40.0060.0228.06
5.1.30.0050.0298.42
5.1.20.0060.0308.43
5.1.10.0040.0268.16
5.1.00.0050.0308.16
5.0.50.0080.0226.64
5.0.40.0020.0216.50
5.0.30.0020.0336.31
5.0.20.0030.0196.28
5.0.10.0060.0166.26
5.0.00.0040.0296.25
4.4.90.0030.0154.78
4.4.80.0020.0154.76
4.4.70.0030.0164.76
4.4.60.0030.0154.76
4.4.50.0040.0144.77
4.4.40.0030.0254.71
4.4.30.0030.0154.76
4.4.20.0010.0184.85
4.4.10.0040.0194.85
4.4.00.0010.0274.76
4.3.110.0040.0174.67
4.3.100.0050.0134.66
4.3.90.0030.0204.63
4.3.80.0050.0284.58
4.3.70.0000.0164.63
4.3.60.0010.0164.62
4.3.50.0030.0154.63
4.3.40.0030.0244.54
4.3.30.0030.0153.32
4.3.20.0020.0163.30
4.3.10.0020.0163.25
4.3.00.0070.01315.25

preferences:
40.33 ms | 401 KiB | 5 Q