3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Foo; define('Foo\\null', 'hello'); if (\isnull(null)) { echo "TRUE"; } else { echo "FALSE!!!"; }

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)
8.3.40.0100.01318.71
8.3.30.0090.00619.14
8.3.20.0000.00720.04
8.3.10.0000.00722.01
8.3.00.0050.00220.52
8.2.170.0100.00322.96
8.2.160.0100.00720.28
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0120.00326.16
8.2.120.0050.00319.51
8.2.110.0060.00322.07
8.2.100.0100.00019.34
8.2.90.0000.00819.27
8.2.80.0000.00719.20
8.2.70.0030.00517.75
8.2.60.0000.00917.93
8.2.50.0040.00418.07
8.2.40.0040.00418.03
8.2.30.0000.00718.04
8.2.20.0000.00817.70
8.2.10.0050.00217.64
8.2.00.0040.00417.77
8.1.270.0040.00420.22
8.1.260.0000.00726.35
8.1.250.0050.00228.09
8.1.240.0060.00323.80
8.1.230.0120.00019.17
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0040.00417.41
8.1.180.0040.00418.83
8.1.170.0040.00418.27
8.1.160.0070.00022.07
8.1.150.0070.00218.46
8.1.140.0000.00717.19
8.1.130.0000.00717.75
8.1.120.0030.00317.38
8.1.110.0000.00717.21
8.1.100.0070.00017.30
8.1.90.0000.00817.29
8.1.80.0040.00417.35
8.1.70.0030.00317.31
8.1.60.0040.00417.46
8.1.50.0020.00517.47
8.1.40.0000.00817.33
8.1.30.0050.00317.52
8.1.20.0040.00417.47
8.1.10.0000.00817.52
8.1.00.0030.00517.38
8.0.300.0040.00418.77
8.0.290.0050.00317.16
8.0.280.0030.00318.32
8.0.270.0030.00317.20
8.0.260.0060.00316.81
8.0.250.0000.00817.01
8.0.240.0000.00816.96
8.0.230.0030.00316.91
8.0.220.0040.00416.92
8.0.210.0000.00716.78
8.0.200.0000.00716.93
8.0.190.0000.00816.97
8.0.180.0100.00016.96
8.0.170.0000.00716.96
8.0.160.0040.00416.71
8.0.150.0040.00416.68
8.0.140.0000.00816.86
8.0.130.0050.00013.29
8.0.120.0040.00416.84
8.0.110.0040.00416.88
8.0.100.0040.00416.66
8.0.90.0050.00216.73
8.0.80.0030.01216.82
8.0.70.0040.00416.77
8.0.60.0000.00716.87
8.0.50.0040.00416.83
8.0.30.0120.00716.89
8.0.20.0150.00717.40
8.0.10.0040.00417.05
8.0.00.0030.01316.60
7.4.330.0030.00315.00
7.4.320.0060.00016.36
7.4.300.0030.00316.50
7.4.290.0070.00016.47
7.4.280.0000.00616.46
7.4.270.0000.00716.48
7.4.260.0060.00316.36
7.4.250.0070.00016.29
7.4.240.0020.00516.44
7.4.230.0000.00616.63
7.4.220.0060.01816.63
7.4.210.0050.01216.48
7.4.200.0070.00016.59
7.4.190.0060.00316.69
7.4.160.0110.00516.46
7.4.150.0160.00717.40
7.4.140.0100.01217.86
7.4.130.0090.01016.50
7.4.120.0100.00716.32
7.4.110.0140.00316.48
7.4.100.0080.01216.46
7.4.90.0090.01316.42
7.4.80.0090.01519.39
7.4.70.0030.01416.34
7.4.60.0100.00716.23
7.4.50.0030.00616.48
7.4.40.0080.00822.77
7.4.30.0130.00316.49
7.4.00.0040.01114.60
7.3.330.0000.00513.23
7.3.320.0000.00512.95
7.3.310.0040.00416.39
7.3.300.0060.00016.16
7.3.290.0160.00416.27
7.3.280.0040.01216.25
7.3.270.0060.01217.40
7.3.260.0070.01016.20
7.3.250.0120.00616.50
7.3.240.0080.01216.29
7.3.230.0120.00616.39
7.3.210.0100.00716.26
7.3.200.0120.00919.39
7.3.190.0100.00616.57
7.3.180.0100.00716.28
7.3.170.0160.00416.41
7.3.160.0110.00416.24
7.3.120.0060.00314.73
7.2.330.0030.01416.56
7.2.320.0170.00316.34
7.2.310.0100.01016.29
7.2.300.0040.01216.22
7.2.290.0090.00616.54
7.2.60.0000.01516.61
7.2.00.0000.00919.21
7.1.200.0030.00815.70
7.1.100.0090.00318.23
7.1.70.0000.00717.17
7.1.60.0070.01719.82
7.1.50.0070.01316.89
7.1.00.0130.02322.28
7.0.200.0070.00716.73
7.0.140.0000.08022.15
7.0.60.0030.06719.75
7.0.50.0030.07317.91
7.0.40.0070.05320.30
7.0.30.0470.08320.09
7.0.20.0370.06320.04
7.0.10.0030.04720.16
7.0.00.0030.05319.99
5.6.280.0030.07321.06
5.6.210.0000.05720.66
5.6.200.0030.06718.09
5.6.190.0130.08320.58
5.6.180.0370.06320.49
5.6.170.0270.05320.61
5.6.160.0130.03020.38
5.6.150.0030.04018.13
5.6.140.0070.07718.21
5.6.130.0100.08318.16
5.6.120.0070.05721.04
5.6.110.0000.06020.97
5.6.100.0100.07720.97
5.6.90.0100.05020.98
5.6.80.0070.06720.38
5.6.70.4530.03720.35
5.5.350.0200.06320.33
5.5.340.0070.08017.96
5.5.330.0070.08320.19
5.5.320.0300.07320.26
5.5.310.0330.05020.30
5.5.300.0070.07717.92
5.5.290.0000.05717.92
5.5.280.0170.06720.76
5.5.270.0330.05720.75
5.5.260.0130.08320.79
5.5.250.0100.07320.68
5.5.240.0100.07720.05
5.4.450.0930.05019.14
5.4.440.0670.06019.64
5.4.430.0400.05719.63
5.4.420.0730.05719.46
5.4.410.0630.05319.50
5.4.400.0900.08018.53
5.4.390.1230.05018.57
5.4.380.0330.04718.62
5.4.370.0170.06018.46
5.4.360.0200.04718.70
5.4.350.0060.04211.97
5.4.340.0040.04811.97
5.4.320.0060.04712.45
5.4.310.0100.04712.45
5.4.300.0090.04212.45
5.4.290.0120.04112.45
5.4.280.0080.03512.32
5.4.270.0050.03712.32
5.4.260.0060.03812.32
5.4.250.0070.03712.32
5.4.240.0070.03612.32
5.4.230.0050.03812.31
5.4.220.0070.03512.31
5.4.210.0080.03312.31
5.4.200.0090.03412.31
5.4.190.0070.03512.31
5.4.180.0100.03212.31
5.4.170.0080.03512.32
5.4.160.0030.03912.31
5.4.150.0050.03712.31
5.4.140.0070.03812.00
5.4.130.0070.03511.98
5.4.120.0120.03711.94
5.4.110.0090.04911.94
5.4.100.0110.04811.93
5.4.90.0050.03911.94
5.4.80.0040.04011.93
5.4.70.0050.03611.93
5.4.60.0090.03211.93
5.4.50.0070.03411.93
5.4.40.0070.03411.92
5.4.30.0090.03611.92
5.4.20.0090.03511.92
5.4.10.0090.03211.92
5.4.00.0090.03511.41
5.3.290.0080.03712.80
5.3.280.0070.03712.71
5.3.270.0080.04012.72
5.3.260.0060.04012.72
5.3.250.0120.04912.72
5.3.240.0070.04812.72
5.3.230.0070.04412.71
5.3.220.0090.04512.68
5.3.210.0090.05012.68
5.3.200.0060.03812.68
5.3.190.0070.03812.68
5.3.180.0060.03812.67
5.3.170.0110.03612.67
5.3.160.0070.04312.68
5.3.150.0080.04312.67
5.3.140.0060.03912.66
5.3.130.0070.03812.66
5.3.120.0050.04012.66
5.3.110.0070.03812.66
5.3.100.0070.03612.12
5.3.90.0070.04712.09
5.3.80.0060.03712.08
5.3.70.0090.03412.08
5.3.60.0080.04612.07
5.3.50.0050.03812.00
5.3.40.0110.03512.00
5.3.30.0060.04111.94
5.3.20.0100.03111.70
5.3.10.0050.03511.67
5.3.00.0060.03611.66
5.2.170.0050.0309.15
5.2.160.0090.0289.15
5.2.150.0050.0309.15
5.2.140.0060.0299.14
5.2.130.0060.0279.11
5.2.120.0070.0329.11
5.2.110.0030.0319.12
5.2.100.0040.0319.11
5.2.90.0060.0399.11
5.2.80.0020.0419.11
5.2.70.0030.0329.11
5.2.60.0050.0309.06
5.2.50.0060.0299.03
5.2.40.0060.0279.00
5.2.30.0030.0318.99
5.2.20.0010.0338.98
5.2.10.0060.0378.90
5.2.00.0060.0348.76
5.1.60.0100.0298.04
5.1.50.0050.0248.05
5.1.40.0040.0258.03
5.1.30.0050.0268.38
5.1.20.0030.0278.40
5.1.10.0050.0248.12
5.1.00.0040.0258.12
5.0.50.0120.0236.60
5.0.40.0040.0186.46
5.0.30.0050.0296.27
5.0.20.0050.0176.25
5.0.10.0040.0196.22
5.0.00.0030.0336.21
4.4.90.0060.0184.78
4.4.80.0020.0154.76
4.4.70.0020.0154.75
4.4.60.0020.0164.76
4.4.50.0040.0144.77
4.4.40.0010.0274.70
4.4.30.0040.0144.76
4.4.20.0050.0134.84
4.4.10.0040.0154.85
4.4.00.0030.0254.76
4.3.110.0040.0144.67
4.3.100.0020.0154.66
4.3.90.0010.0154.64
4.3.80.0030.0234.58
4.3.70.0050.0134.63
4.3.60.0010.0164.63
4.3.50.0040.0144.63
4.3.40.0030.0234.54
4.3.30.0020.0153.27
4.3.20.0020.0183.25
4.3.10.0030.0143.21
4.3.00.0100.0206.93

preferences:
52.53 ms | 400 KiB | 5 Q