3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 0; if (!isset($a)) echo "ye";

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)
8.3.40.0060.00918.59
8.3.30.0030.01018.83
8.3.20.0070.00020.27
8.3.10.0040.00423.70
8.3.00.0040.00417.25
8.2.170.0110.00422.96
8.2.160.0110.00420.39
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0070.00726.16
8.2.120.0050.00321.09
8.2.110.0000.00922.13
8.2.100.0040.01117.72
8.2.90.0040.00419.28
8.2.80.0050.00317.97
8.2.70.0000.00917.63
8.2.60.0030.00617.93
8.2.50.0040.00418.07
8.2.40.0000.00718.34
8.2.30.0050.00318.03
8.2.20.0050.00317.67
8.2.10.0050.00318.10
8.2.00.0040.00417.58
8.1.270.0080.00023.92
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00023.96
8.1.230.0070.00418.97
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0030.00617.35
8.1.190.0040.00417.23
8.1.180.0060.00318.10
8.1.170.0000.00818.64
8.1.160.0040.00421.94
8.1.150.0030.00618.80
8.1.140.0000.00917.46
8.1.130.0000.00617.86
8.1.120.0000.00817.42
8.1.110.0040.00417.39
8.1.100.0050.00217.50
8.1.90.0030.00417.45
8.1.80.0000.00717.41
8.1.70.0000.00717.41
8.1.60.0080.00017.59
8.1.50.0040.00417.41
8.1.40.0000.00817.54
8.1.30.0060.00317.54
8.1.20.0000.00717.64
8.1.10.0050.00317.43
8.1.00.0040.00417.36
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0030.00318.43
8.0.270.0050.00217.18
8.0.260.0080.00017.16
8.0.250.0040.00416.84
8.0.240.0080.00016.81
8.0.230.0030.00316.96
8.0.220.0000.00716.89
8.0.210.0040.00416.93
8.0.200.0030.00316.98
8.0.190.0000.00716.82
8.0.180.0030.00416.82
8.0.170.0050.00216.78
8.0.160.0000.00816.82
8.0.150.0050.00316.71
8.0.140.0000.01016.89
8.0.130.0030.00313.28
8.0.120.0000.00816.77
8.0.110.0040.00416.78
8.0.100.0050.00216.89
8.0.90.0000.00716.86
8.0.80.0070.01416.76
8.0.70.0000.00716.77
8.0.60.0070.00016.95
8.0.50.0050.00216.74
8.0.30.0080.01017.04
8.0.20.0150.01117.40
8.0.10.0040.00416.89
8.0.00.0100.01116.81
7.4.330.0030.00315.01
7.4.320.0070.00016.41
7.4.300.0030.00316.34
7.4.290.0000.00916.57
7.4.280.0030.00316.49
7.4.270.0030.00316.54
7.4.260.0030.00616.61
7.4.250.0000.00816.54
7.4.240.0020.00516.50
7.4.230.0000.00716.61
7.4.220.0090.00916.42
7.4.210.0100.01016.63
7.4.200.0000.00816.33
7.4.160.0230.00016.52
7.4.150.0140.00717.40
7.4.140.0090.00817.86
7.4.130.0110.00616.40
7.4.120.0100.01016.43
7.4.110.0170.00316.51
7.4.100.0080.00816.52
7.4.90.0140.00316.38
7.4.80.0160.00019.39
7.4.70.0160.00616.36
7.4.60.0140.00416.52
7.4.50.0060.00316.26
7.4.40.0100.00616.50
7.4.30.0090.00916.57
7.4.00.0000.01214.46
7.3.330.0000.00713.02
7.3.320.0030.00312.96
7.3.310.0050.00516.13
7.3.300.0000.00616.12
7.3.290.0070.00716.04
7.3.280.0090.00816.14
7.3.270.0170.00017.40
7.3.260.0000.01716.44
7.3.250.0130.00516.21
7.3.240.0070.01016.20
7.3.230.0090.00916.39
7.3.210.0070.01716.14
7.3.200.0060.01019.39
7.3.190.0160.00316.37
7.3.180.0080.00816.41
7.3.170.0030.01316.27
7.3.160.0060.01016.29
7.2.330.0100.01316.30
7.2.320.0120.00616.25
7.2.310.0110.00616.27
7.2.300.0130.00316.65
7.2.290.0070.01016.43
7.1.100.0030.00917.92
7.1.70.0030.00517.10
7.1.60.0040.01519.40
7.1.50.0000.01716.85
7.1.00.0100.07022.34
7.0.200.0000.01016.40
7.0.140.0070.07022.08
7.0.60.0130.05319.95
7.0.50.0030.04317.84
7.0.40.0000.09020.12
7.0.30.0270.05020.04
7.0.20.0270.04720.04
7.0.10.0230.09020.19
7.0.00.0130.08020.17
5.6.280.0070.06721.09
5.6.210.0100.04320.68
5.6.200.0100.07318.21
5.6.190.0030.05720.64
5.6.180.0370.08020.43
5.6.170.0170.07020.42
5.6.160.0000.05320.42
5.6.150.0030.05318.20
5.6.140.0000.04018.10
5.6.130.0030.05718.17
5.6.120.0130.07320.98
5.6.110.0100.08321.12
5.6.100.0030.08320.96
5.6.90.0270.07021.00
5.6.80.0070.06020.37
5.6.70.4530.03320.52
5.5.350.0070.08720.39
5.5.340.0070.07717.88
5.5.330.0030.08320.29
5.5.320.0500.07020.29
5.5.310.0330.04720.24
5.5.300.0030.08317.98
5.5.290.0000.08717.98
5.5.280.0070.04720.64
5.5.270.0070.08720.75
5.5.260.0030.09020.86
5.5.250.0130.07720.68
5.5.240.0200.06320.12
5.4.450.0700.04319.41
5.4.440.0470.05319.56
5.4.430.0300.03319.48
5.4.420.0430.04319.41
5.4.410.0330.04019.44
5.4.400.0370.03719.08
5.4.390.1070.04719.10
5.4.380.0370.05018.79
5.4.370.0330.05318.51
5.4.360.0430.04718.57
5.4.350.0300.05318.68
5.4.340.0400.05718.50
5.4.320.0070.03612.45
5.4.310.0070.04612.45
5.4.300.0050.03712.45
5.4.290.0050.03912.45
5.4.280.0080.03312.35
5.4.270.0050.04012.35
5.4.260.0050.03912.34
5.4.250.0050.03912.34
5.4.240.0030.03812.34
5.4.230.0060.03712.34
5.4.220.0090.03312.34
5.4.210.0020.03812.34
5.4.200.0080.03512.34
5.4.190.0070.04012.33
5.4.180.0040.03712.33
5.4.170.0050.03612.34
5.4.160.0050.03612.34
5.4.150.0050.03512.34
5.4.140.0020.03912.02
5.4.130.0060.03312.01
5.4.120.0050.03411.97
5.4.110.0030.03611.97
5.4.100.0070.04311.96
5.4.90.0060.04311.96
5.4.80.0060.03911.96
5.4.70.0070.03311.95
5.4.60.0060.03411.96
5.4.50.0090.03311.96
5.4.40.0040.03811.95
5.4.30.0070.03411.95
5.4.20.0070.03511.95
5.4.10.0030.03711.95
5.4.00.0090.03811.43
5.3.290.0070.04212.80
5.3.280.0070.04712.70
5.3.270.0040.04012.73
5.3.260.0070.03812.72
5.3.250.0050.03812.72
5.3.240.0060.03612.71
5.3.230.0080.03812.71
5.3.220.0060.03812.68
5.3.210.0070.03812.68
5.3.200.0090.03312.68
5.3.190.0080.04012.68
5.3.180.0030.03812.68
5.3.170.0070.04012.67
5.3.160.0070.03812.67
5.3.150.0090.03712.67
5.3.140.0080.03312.66
5.3.130.0060.03712.66
5.3.120.0050.03812.66
5.3.110.0110.03212.66
5.3.100.0070.03512.12
5.3.90.0040.03612.07
5.3.80.0050.03712.07
5.3.70.0040.03912.07
5.3.60.0050.03512.07
5.3.50.0080.03412.00
5.3.40.0080.03312.00
5.3.30.0050.03511.94
5.3.20.0060.03411.71
5.3.10.0060.03611.69
5.3.00.0090.04311.68
5.2.170.0050.0359.17
5.2.160.0080.0269.17
5.2.150.0040.0309.17
5.2.140.0060.0359.18
5.2.130.0050.0279.13
5.2.120.0060.0279.13
5.2.110.0050.0319.14
5.2.100.0050.0399.13
5.2.90.0050.0289.14
5.2.80.0040.0319.13
5.2.70.0030.0329.13
5.2.60.0070.0289.08
5.2.50.0040.0319.05
5.2.40.0030.0309.03
5.2.30.0070.0269.00
5.2.20.0050.0289.00
5.2.10.0050.0278.92
5.2.00.0020.0318.77
5.1.60.0060.0228.06
5.1.50.0030.0298.05
5.1.40.0050.0238.04
5.1.30.0050.0248.39
5.1.20.0060.0288.41
5.1.10.0020.0318.13
5.1.00.0030.0258.14
5.0.50.0060.0236.61
5.0.40.0020.0226.47
5.0.30.0030.0376.29
5.0.20.0020.0246.26
5.0.10.0020.0206.23
5.0.00.0030.0306.22
4.4.90.0060.0194.78
4.4.80.0060.0174.75
4.4.70.0010.0164.75
4.4.60.0060.0114.75
4.4.50.0010.0184.77
4.4.40.0030.0244.71
4.4.30.0030.0144.75
4.4.20.0040.0164.85
4.4.10.0040.0224.85
4.4.00.0040.0234.76
4.3.110.0020.0174.67
4.3.100.0030.0144.67
4.3.90.0040.0184.64
4.3.80.0010.0254.58
4.3.70.0010.0164.63
4.3.60.0020.0194.63
4.3.50.0030.0154.63
4.3.40.0010.0264.54
4.3.30.0020.0173.28
4.3.20.0030.0223.25
4.3.10.0010.0183.21
4.3.00.0030.01715.92

preferences:
40.61 ms | 400 KiB | 5 Q