3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = "baz"; $bar = "foo"; var_dump(isset($bar['foo'])); ?>

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)
8.3.40.0150.00318.59
8.3.30.0060.00918.72
8.3.20.0080.00020.09
8.3.10.0020.00521.65
8.3.00.0000.00817.78
8.2.170.0170.00322.96
8.2.160.0140.00020.45
8.2.150.0030.00524.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00020.96
8.2.110.0030.00719.18
8.2.100.0060.00617.78
8.2.90.0070.00419.06
8.2.80.0080.00017.97
8.2.70.0050.00317.50
8.2.60.0060.00318.04
8.2.50.0000.00818.07
8.2.40.0040.00418.22
8.2.30.0000.00718.11
8.2.20.0040.00417.73
8.2.10.0040.00417.97
8.2.00.0000.00817.48
8.1.270.0030.00723.96
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0000.00921.40
8.1.230.0040.00717.42
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0030.00617.23
8.1.190.0040.00417.22
8.1.180.0050.00318.10
8.1.170.0040.00418.57
8.1.160.0000.00821.95
8.1.150.0000.00818.72
8.1.140.0000.00717.44
8.1.130.0030.00317.77
8.1.120.0030.00517.41
8.1.110.0040.00417.26
8.1.100.0050.00217.38
8.1.90.0040.00417.40
8.1.80.0000.00717.26
8.1.70.0030.00317.29
8.1.60.0000.00917.40
8.1.50.0000.00817.43
8.1.40.0000.00817.48
8.1.30.0000.00817.60
8.1.20.0040.00417.55
8.1.10.0050.00317.59
8.1.00.0060.00317.50
8.0.300.0050.00318.77
8.0.290.0040.00416.75
8.0.280.0030.00318.30
8.0.270.0040.00417.19
8.0.260.0060.00017.05
8.0.250.0040.00416.86
8.0.240.0070.00016.79
8.0.230.0030.00316.86
8.0.220.0030.00316.79
8.0.210.0000.00816.82
8.0.200.0000.00716.81
8.0.190.0040.00416.92
8.0.180.0040.00416.82
8.0.170.0030.00616.84
8.0.160.0030.00316.75
8.0.150.0070.00016.65
8.0.140.0030.00616.77
8.0.130.0060.00013.23
8.0.120.0000.00716.77
8.0.110.0040.00416.79
8.0.100.0070.00016.88
8.0.90.0050.00316.65
8.0.80.0100.00616.84
8.0.70.0040.00416.62
8.0.60.0040.00416.81
8.0.50.0040.00416.88
8.0.30.0120.00816.95
8.0.20.0090.01417.40
8.0.10.0000.00816.88
8.0.00.0110.00616.68
7.4.330.0030.00315.01
7.4.320.0000.00816.42
7.4.300.0000.00616.53
7.4.290.0040.00416.39
7.4.280.0040.00416.52
7.4.270.0000.00716.55
7.4.260.0000.00716.32
7.4.250.0050.00216.32
7.4.240.0000.00716.39
7.4.230.0000.00716.43
7.4.220.0090.01316.39
7.4.210.0040.01216.50
7.4.200.0070.00016.36
7.4.160.0070.01016.53
7.4.150.0130.00617.40
7.4.140.0040.01617.86
7.4.130.0100.01016.36
7.4.120.0110.00616.39
7.4.110.0180.00016.28
7.4.100.0040.00816.40
7.4.90.0040.01816.38
7.4.80.0050.01619.39
7.4.70.0140.00416.21
7.4.60.0140.00716.26
7.4.50.0030.00616.07
7.4.40.0080.00916.36
7.4.30.0140.00316.06
7.4.00.0140.00314.74
7.3.330.0050.00013.03
7.3.320.0000.00513.04
7.3.310.0000.00716.33
7.3.300.0030.00316.23
7.3.290.0100.00616.20
7.3.280.0060.01216.21
7.3.270.0070.01117.40
7.3.260.0090.00916.21
7.3.250.0110.00416.37
7.3.240.0100.01316.15
7.3.230.0140.00416.39
7.3.210.0070.01016.28
7.3.200.0040.01219.39
7.3.190.0070.01116.26
7.3.180.0100.00716.30
7.3.170.0090.00916.27
7.3.160.0120.00316.11
7.3.120.0040.01114.61
7.2.330.0090.00916.48
7.2.320.0110.01416.55
7.2.310.0060.01216.56
7.2.300.0080.00816.29
7.2.290.0140.00316.51
7.2.00.0160.00619.38
7.1.100.0000.01117.91
7.1.70.0000.00916.73
7.1.60.0000.02419.25
7.1.50.0040.01116.76
7.1.00.0000.08022.36
7.0.200.0030.00316.75
7.0.140.0070.07021.96
7.0.60.0070.08019.78
7.0.50.0170.07317.81
7.0.40.0030.04320.19
7.0.30.0270.04720.13
7.0.20.0300.07320.00
7.0.10.0100.08320.19
7.0.00.0100.08020.17
5.6.280.0070.07021.02
5.6.210.0070.08320.50
5.6.200.0000.04318.23
5.6.190.0100.04720.56
5.6.180.0330.07720.32
5.6.170.0200.04320.49
5.6.160.0070.04320.51
5.6.150.0070.06318.23
5.6.140.0030.04018.12
5.6.130.0030.08318.16
5.6.120.0030.06021.13
5.6.110.0130.03321.08
5.6.100.0200.07020.96
5.6.90.0070.08321.09
5.6.80.0170.07320.40
5.5.350.3630.03720.38
5.5.340.0100.08017.98
5.5.330.0030.09020.19
5.5.320.0300.07720.25
5.5.310.0230.06320.17
5.5.300.0030.08317.91
5.5.290.0100.08317.98
5.5.280.0100.03320.84
5.5.270.0000.04720.86
5.5.260.0130.07320.83
5.5.250.0070.08020.58
5.5.240.0130.03020.25
5.4.450.0170.04719.11
5.4.440.0030.03319.24
5.4.430.0230.04719.40
5.4.420.0570.05019.40
5.4.410.0430.04718.99
5.4.400.0570.03019.14
5.4.390.0300.04018.78
5.4.380.0200.05018.50
5.4.370.0270.04018.40
5.4.360.0170.05018.60
5.4.350.0100.05718.71
5.4.340.0230.05018.66
5.4.320.0020.04012.45
5.4.310.0090.03912.45
5.4.300.0110.03812.46
5.4.290.0060.04212.45
5.4.280.0040.04012.34
5.4.270.0080.03612.34
5.4.260.0070.04612.34
5.4.250.0070.04712.34
5.4.240.0140.04312.35
5.4.230.0050.03912.34
5.4.220.0080.04012.34
5.4.210.0030.03912.34
5.4.200.0060.03812.34
5.4.190.0070.03612.34
5.4.180.0050.04112.33
5.4.170.0070.03612.35
5.4.160.0050.03812.34
5.4.150.0080.04112.34
5.4.140.0080.03812.02
5.4.130.0080.03512.01
5.4.120.0040.04111.96
5.4.110.0030.04011.96
5.4.100.0070.03711.96
5.4.90.0040.04411.96
5.4.80.0060.03711.96
5.4.70.0070.03811.96
5.4.60.0070.03411.96
5.4.50.0060.03611.96
5.4.40.0070.03411.95
5.4.30.0110.03111.95
5.4.20.0060.03611.95
5.4.10.0070.03411.95
5.4.00.0060.03811.43
5.3.290.0080.03712.80
5.3.280.0100.03712.71
5.3.270.0070.04212.72
5.3.260.0060.04212.72
5.3.250.0040.04012.72
5.3.240.0060.03812.72
5.3.230.0090.04112.71
5.3.220.0050.04712.68
5.3.210.0040.04412.68
5.3.200.0090.04812.68
5.3.190.0070.04212.68
5.3.180.0070.04212.68
5.3.170.0080.04512.67
5.3.160.0070.03912.68
5.3.150.0070.03812.67
5.3.140.0050.04112.66
5.3.130.0060.04112.66
5.3.120.0080.03912.66
5.3.110.0030.04612.66
5.3.100.0080.04712.12
5.3.90.0060.04012.08
5.3.80.0040.04812.07
5.3.70.0070.04912.08
5.3.60.0060.04312.06
5.3.50.0130.04312.00
5.3.40.0090.03712.00
5.3.30.0050.04311.95
5.3.20.0040.03911.72
5.3.10.0070.04011.69
5.3.00.0070.03711.67
5.2.170.0050.0349.18
5.2.160.0050.0319.17
5.2.150.0060.0399.18
5.2.140.0090.0409.17
5.2.130.0060.0349.14
5.2.120.0060.0369.14
5.2.110.0070.0319.14
5.2.100.0050.0299.13
5.2.90.0090.0279.14
5.2.80.0050.0339.13
5.2.70.0080.0359.13
5.2.60.0060.0329.09
5.2.50.0050.0359.05
5.2.40.0060.0319.03
5.2.30.0030.0339.00
5.2.20.0030.0319.00
5.2.10.0060.0278.92
5.2.00.0030.0318.77
5.1.60.0070.0228.06
5.1.50.0050.0248.05
5.1.40.0040.0258.04
5.1.30.0030.0278.39
5.1.20.0060.0258.41
5.1.10.0030.0298.13
5.1.00.0050.0258.14
5.0.50.0020.0226.61
5.0.40.0010.0226.47
5.0.30.0030.0326.29
5.0.20.0020.0206.26
5.0.10.0020.0216.23
5.0.00.0030.0316.22
4.4.90.0020.0164.78
4.4.80.0030.0154.75
4.4.70.0040.0144.75
4.4.60.0040.0184.75
4.4.50.0020.0174.77
4.4.40.0030.0254.71
4.4.30.0030.0154.76
4.4.20.0020.0164.84
4.4.10.0020.0164.85
4.4.00.0030.0254.75
4.3.110.0020.0174.67
4.3.100.0020.0164.67
4.3.90.0010.0174.64
4.3.80.0050.0234.59
4.3.70.0040.0134.63
4.3.60.0030.0154.63
4.3.50.0030.0164.63
4.3.40.0000.0274.54
4.3.30.0020.0163.28
4.3.20.0020.0163.26
4.3.10.0020.0163.22
4.3.00.0030.01715.25

preferences:
46.93 ms | 400 KiB | 5 Q