3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = []; var_dump(isset($a[1][2][3]));

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)
8.3.60.0110.00318.18
8.3.50.0110.01021.04
8.3.40.0030.01218.67
8.3.30.0110.00318.77
8.3.20.0050.00319.94
8.3.10.0180.00023.55
8.3.00.0080.00019.11
8.2.180.0070.00716.38
8.2.170.0140.00722.96
8.2.160.0080.00620.35
8.2.150.0070.00024.18
8.2.140.0050.00524.66
8.2.130.0080.00026.16
8.2.120.0050.00222.19
8.2.110.0070.00322.44
8.2.100.0040.00818.03
8.2.90.0030.00520.01
8.2.80.0030.00718.04
8.2.70.0040.00417.80
8.2.60.0000.00818.09
8.2.50.0080.00018.10
8.2.40.0060.00318.16
8.2.30.0040.00417.94
8.2.20.0020.00517.56
8.2.10.0000.00717.87
8.2.00.0070.00017.54
8.1.280.0140.00025.92
8.1.270.0060.00323.81
8.1.260.0050.00326.35
8.1.250.0050.00228.09
8.1.240.0090.00022.27
8.1.230.0130.00319.21
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0080.00317.22
8.1.190.0050.00317.23
8.1.180.0080.00018.10
8.1.170.0040.00418.59
8.1.160.0040.00421.83
8.1.150.0020.00518.81
8.1.140.0040.00417.36
8.1.130.0030.00317.84
8.1.120.0000.00717.37
8.1.110.0040.00417.29
8.1.100.0000.00717.42
8.1.90.0070.00017.30
8.1.80.0000.00717.44
8.1.70.0030.00317.32
8.1.60.0000.00817.51
8.1.50.0030.00517.43
8.1.40.0040.00417.42
8.1.30.0040.00417.54
8.1.20.0040.00417.63
8.1.10.0000.00717.53
8.1.00.0030.00517.41
8.0.300.0000.00719.77
8.0.290.0000.00716.75
8.0.280.0000.00718.39
8.0.270.0030.00317.18
8.0.260.0000.00617.23
8.0.250.0000.00716.90
8.0.240.0030.00316.86
8.0.230.0000.00816.88
8.0.220.0000.00716.84
8.0.210.0070.00016.82
8.0.200.0040.00416.91
8.0.190.0080.00016.91
8.0.180.0000.00816.88
8.0.170.0040.00416.87
8.0.160.0070.00016.88
8.0.150.0020.00516.77
8.0.140.0040.00416.77
8.0.130.0000.00613.22
8.0.120.0050.00316.82
8.0.110.0040.00416.77
8.0.100.0000.00816.66
8.0.90.0050.00216.71
8.0.80.0070.01016.71
8.0.70.0040.00416.72
8.0.60.0070.00016.73
8.0.50.0040.00416.71
8.0.30.0150.00517.24
8.0.20.0100.01017.40
8.0.10.0030.00516.77
8.0.00.0100.00716.71
7.4.330.0090.00316.75
7.4.320.0000.00716.52
7.4.300.0030.00316.54
7.4.290.0060.00016.47
7.4.280.0060.00316.56
7.4.270.0070.00016.55
7.4.260.0000.00716.48
7.4.250.0040.00416.39
7.4.240.0040.00516.42
7.4.230.0000.00716.42
7.4.220.0070.01616.62
7.4.210.0030.01716.59
7.4.200.0000.00716.48
7.4.160.0120.00916.61
7.4.150.0090.00917.40
7.4.140.0100.01017.86
7.4.130.0100.00616.49
7.4.120.0110.00816.45
7.4.110.0070.01016.31
7.4.100.0160.00016.26
7.4.90.0100.01316.41
7.4.80.0060.01119.39
7.4.70.0180.00416.45
7.4.60.0090.00916.38
7.4.50.0030.00616.39
7.4.40.0130.00316.52
7.4.30.0080.00816.64
7.4.00.0030.01414.57
7.3.330.0060.00013.17
7.3.320.0050.00013.14
7.3.310.0000.00716.38
7.3.300.0030.00316.29
7.3.290.0060.00816.33
7.3.280.0120.00516.22
7.3.270.0130.00617.40
7.3.260.0100.00616.49
7.3.250.0090.00816.29
7.3.240.0110.01116.29
7.3.230.0100.00616.39
7.3.210.0140.00416.52
7.3.200.0040.01319.39
7.3.190.0100.01116.14
7.3.180.0140.00716.09
7.3.170.0030.01216.32
7.3.160.0130.00716.33
7.2.330.0030.01616.42
7.2.320.0070.01416.36
7.2.310.0060.01016.49
7.2.300.0040.01416.27
7.2.290.0130.00416.34
7.2.60.0030.01316.72
7.2.00.0000.01319.25
7.1.200.0090.00315.38
7.1.100.0060.00617.98
7.1.70.0030.01017.03
7.1.60.0090.01219.11
7.1.50.0070.01716.95
7.1.00.0000.07722.48
7.0.200.0060.01216.48
7.0.140.0070.07022.00
7.0.60.0130.07720.00
7.0.50.0100.07717.85
7.0.40.0130.07720.27
7.0.30.0200.04020.17
7.0.20.0300.04320.29
7.0.10.0230.06020.18
7.0.00.0030.04020.13
5.6.280.0130.06320.81
5.6.210.0030.07320.54
5.6.200.0100.08018.12
5.6.190.0100.03720.67
5.6.180.3570.04020.75
5.6.170.0200.04320.47
5.6.160.0130.07720.61
5.6.150.0100.06318.18
5.6.140.0070.07018.16
5.6.130.0070.03718.18
5.6.120.0000.09021.11
5.6.110.0070.04020.95
5.6.100.0100.08020.95
5.6.90.0030.04321.11
5.6.80.0000.04020.37
5.6.70.4330.04020.34
5.5.350.0200.04720.41
5.5.340.0100.07717.92
5.5.330.0170.07320.19
5.5.320.4030.04020.27
5.5.310.0230.05720.29
5.5.300.0030.05317.91
5.5.290.0070.08717.97
5.5.280.0100.04720.83
5.5.270.0000.05720.96
5.5.260.0130.07020.68
5.5.250.0100.07320.61
5.5.240.0300.05320.15
5.4.450.0800.05019.47
5.4.440.0730.05019.45
5.4.430.0700.07319.61
5.4.420.0370.06019.46
5.4.410.0770.05019.35
5.4.400.0730.06019.10
5.4.390.0730.05019.16
5.4.380.0630.05319.13
5.4.370.0300.05318.95
5.4.360.0800.05319.20
5.4.350.0700.05719.13
5.4.340.0050.04511.97
5.4.320.0070.03812.45
5.4.310.0100.04412.45
5.4.300.0080.03612.45
5.4.290.0050.04412.45
5.4.280.0080.03612.34
5.4.270.0050.03812.34
5.4.260.0090.04112.35
5.4.250.0070.03812.35
5.4.240.0060.04512.34
5.4.230.0100.05112.34
5.4.220.0060.03812.34
5.4.210.0090.03412.34
5.4.200.0050.03912.34
5.4.190.0090.03312.34
5.4.180.0090.03312.34
5.4.170.0060.03812.34
5.4.160.0090.03812.34
5.4.150.0050.03712.34
5.4.140.0040.03912.02
5.4.130.0050.03612.01
5.4.120.0080.03411.96
5.4.110.0070.03411.96
5.4.100.0070.04011.96
5.4.90.0040.04011.96
5.4.80.0100.03311.96
5.4.70.0040.04211.96
5.4.60.0040.03811.96
5.4.50.0070.03811.96
5.4.40.0090.03211.95
5.4.30.0080.04311.95
5.4.20.0070.03811.94
5.4.10.0100.04411.95
5.4.00.0060.04011.43
5.3.290.0070.03912.80
5.3.280.0080.03712.71
5.3.270.0130.04312.72
5.3.260.0050.04112.71
5.3.250.0050.03812.72
5.3.240.0040.04112.72
5.3.230.0040.03912.70
5.3.220.0090.03412.68
5.3.210.0070.04712.68
5.3.200.0100.04012.68
5.3.190.0110.03812.68
5.3.180.0060.03712.67
5.3.170.0080.03512.67
5.3.160.0090.03512.67
5.3.150.0070.03712.68
5.3.140.0040.03912.66
5.3.130.0040.04512.66
5.3.120.0070.04612.66
5.3.110.0080.04012.65
5.3.100.0050.04012.12
5.3.90.0030.04212.09
5.3.80.0070.04012.07
5.3.70.0100.03512.08
5.3.60.0050.03712.06
5.3.50.0100.03612.00
5.3.40.0070.04012.00
5.3.30.0060.03711.95
5.3.20.0070.03911.72
5.3.10.0060.03411.70
5.3.00.0040.03811.68
5.2.170.0080.0289.18
5.2.160.0060.0299.18
5.2.150.0030.0369.18
5.2.140.0080.0369.18
5.2.130.0060.0289.13
5.2.120.0080.0349.14
5.2.110.0030.0359.15
5.2.100.0060.0319.14
5.2.90.0000.0349.14
5.2.80.0050.0339.14
5.2.70.0060.0289.13
5.2.60.0030.0349.09
5.2.50.0060.0349.06
5.2.40.0050.0319.03
5.2.30.0060.0309.02
5.2.20.0050.0299.00
5.2.10.0060.0288.92
5.2.00.0060.0308.78
5.1.60.0030.0298.07
5.1.50.0050.0288.06
5.1.40.0060.0288.05
5.1.30.0110.0258.40
5.1.20.0070.0268.41
5.1.10.0040.0258.14
5.1.00.0030.0268.14
5.0.50.0040.0246.63
5.0.40.0040.0206.48
5.0.30.0030.0336.29
5.0.20.0030.0196.26
5.0.10.0010.0226.24
5.0.00.0050.0286.23
4.4.90.0040.0214.78
4.4.80.0030.0154.75
4.4.70.0010.0174.75
4.4.60.0030.0184.75
4.4.50.0040.0144.77
4.4.40.0030.0254.71
4.4.30.0040.0144.76
4.4.20.0040.0144.84
4.4.10.0020.0164.85
4.4.00.0030.0254.76
4.3.110.0040.0164.67
4.3.100.0030.0194.67
4.3.90.0010.0184.63
4.3.80.0030.0244.59
4.3.70.0010.0184.63
4.3.60.0020.0214.63
4.3.50.0030.0194.62
4.3.40.0030.0274.54
4.3.30.0010.0193.29
4.3.20.0020.0173.26
4.3.10.0030.0153.21
4.3.00.0100.0277.11

preferences:
50.85 ms | 401 KiB | 5 Q