3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "1"; $a[$a] = "2"; echo $a;

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)
8.3.60.0070.01118.55
8.3.50.0160.00721.14
8.3.40.0120.00318.79
8.3.30.0040.01119.05
8.3.20.0060.00320.14
8.3.10.0000.00821.66
8.3.00.0040.00419.38
8.2.180.0100.01018.17
8.2.170.0040.01122.96
8.2.160.0110.00320.38
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0060.00326.16
8.2.120.0040.00422.27
8.2.110.0090.00022.13
8.2.100.0090.00317.63
8.2.90.0070.00019.27
8.2.80.0050.00317.97
8.2.70.0000.00817.48
8.2.60.0040.00817.80
8.2.50.0050.00318.07
8.2.40.0000.00819.88
8.2.30.0030.00617.97
8.2.20.0040.00417.68
8.2.10.0070.00018.02
8.2.00.0040.00417.73
8.1.280.0130.00325.92
8.1.270.0060.00323.81
8.1.260.0060.00326.35
8.1.250.0000.00728.09
8.1.240.0030.00623.92
8.1.230.0040.00819.02
8.1.220.0040.00417.74
8.1.210.0070.00018.77
8.1.200.0000.00817.36
8.1.190.0000.00817.35
8.1.180.0070.00018.10
8.1.170.0040.00418.50
8.1.160.0000.00821.88
8.1.150.0050.00318.88
8.1.140.0000.00717.44
8.1.130.0000.00717.75
8.1.120.0000.00717.48
8.1.110.0030.00517.41
8.1.100.0000.00817.36
8.1.90.0000.00717.44
8.1.80.0040.00417.33
8.1.70.0000.00717.46
8.1.60.0030.00517.57
8.1.50.0030.00517.51
8.1.40.0050.00217.45
8.1.30.0060.00317.48
8.1.20.0040.00417.70
8.1.10.0000.00717.38
8.1.00.0040.00417.37
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0070.00018.47
8.0.270.0000.00717.25
8.0.260.0030.00317.25
8.0.250.0000.00717.03
8.0.240.0060.00316.91
8.0.230.0000.00716.89
8.0.220.0000.00716.89
8.0.210.0000.00716.76
8.0.200.0030.00316.93
8.0.190.0030.00616.97
8.0.180.0000.00816.83
8.0.170.0000.00816.92
8.0.160.0030.00616.86
8.0.150.0000.00716.71
8.0.140.0050.00216.74
8.0.130.0030.00313.30
8.0.120.0050.00216.86
8.0.110.0000.00716.82
8.0.100.0070.00016.86
8.0.90.0030.00316.91
8.0.80.0040.01116.92
8.0.70.0000.00716.95
8.0.60.0000.00716.77
8.0.50.0000.00816.94
8.0.30.0080.01116.88
8.0.20.0120.00617.40
8.0.10.0060.00317.01
8.0.00.0080.00916.89
7.4.330.0000.00615.00
7.4.320.0000.00616.41
7.4.300.0030.00316.53
7.4.290.0030.00316.49
7.4.280.0040.00416.47
7.4.270.0040.00416.48
7.4.260.0070.00416.39
7.4.250.0040.00416.40
7.4.240.0050.00216.53
7.4.230.0040.00416.59
7.4.220.0090.00916.48
7.4.210.0060.00916.53
7.4.200.0030.00316.40
7.4.160.0060.01516.55
7.4.150.0030.01817.40
7.4.140.0090.00917.86
7.4.130.0130.00616.59
7.4.120.0100.00716.52
7.4.110.0110.01116.37
7.4.100.0040.01616.58
7.4.90.0060.01516.53
7.4.80.0030.01819.39
7.4.70.0090.01316.45
7.4.60.0040.01216.40
7.4.50.0000.00916.71
7.4.40.0100.00716.46
7.4.30.0140.00316.59
7.4.00.0040.01215.08
7.3.330.0000.00513.14
7.3.320.0000.00513.23
7.3.310.0070.00016.22
7.3.300.0000.00616.10
7.3.290.0050.01116.14
7.3.280.0110.00816.32
7.3.270.0150.00417.40
7.3.260.0130.00316.26
7.3.250.0060.01216.45
7.3.240.0120.00616.36
7.3.230.0090.00916.46
7.3.210.0080.00816.31
7.3.200.0110.00619.39
7.3.190.0060.01616.37
7.3.180.0070.00716.53
7.3.170.0090.00616.27
7.3.160.0110.01116.22
7.3.10.0090.00716.56
7.3.00.0090.00616.53
7.2.330.0140.00416.63
7.2.320.0060.00916.41
7.2.310.0120.00616.39
7.2.300.0170.00016.59
7.2.290.0180.00016.71
7.2.130.0100.01016.53
7.2.120.0130.00716.68
7.2.110.0100.00716.53
7.2.100.0080.00616.63
7.2.90.0090.00916.57
7.2.80.0090.00516.60
7.2.70.0070.01116.68
7.2.60.0140.00516.83
7.2.50.0110.00616.71
7.2.40.0040.00916.50
7.2.30.0070.00716.50
7.2.20.0100.00616.60
7.2.10.0080.00816.70
7.2.00.0070.00917.60
7.1.250.0100.00615.51
7.1.100.0030.00918.23
7.1.70.0060.00617.16
7.1.60.0100.00719.32
7.1.50.0030.01316.61
7.1.00.0030.07722.35
7.0.200.0030.00716.49
7.0.140.0000.07722.09
7.0.60.0130.07319.85
7.0.50.0100.07717.80
7.0.40.0070.08020.20
7.0.30.0630.06020.21
7.0.20.0230.06020.00
7.0.10.0070.08720.33
7.0.00.0030.09020.20
5.6.280.0070.06721.09
5.6.210.0000.08020.50
5.6.200.0170.07718.15
5.6.190.0070.08320.61
5.6.180.0300.07720.77
5.6.170.0330.04720.47
5.6.160.0070.05020.50
5.6.150.0030.07318.21
5.6.140.0100.07718.11
5.6.130.0030.07718.14
5.6.120.0200.07321.09
5.6.110.0030.09320.98
5.6.100.0070.05320.95
5.6.90.0030.04020.95
5.6.80.0170.07320.43
5.5.350.0230.08020.43
5.5.340.0070.04017.98
5.5.330.0070.04020.23
5.5.320.0400.07320.34
5.5.310.0200.04320.26
5.5.300.0100.05017.95
5.5.290.0070.08018.00
5.5.280.0100.03720.80
5.5.270.0030.04020.93
5.5.260.0170.06720.83
5.5.250.0000.09320.60
5.5.240.0300.06320.34
5.4.450.0530.06719.52
5.4.440.1030.05319.23
5.4.430.0230.05719.51
5.4.420.0700.00019.43
5.4.410.0630.00019.15
5.4.400.0630.00019.16
5.4.390.0800.00019.16
5.4.380.0630.00019.07
5.4.370.0670.00018.96
5.4.360.0600.00019.13
5.4.350.0600.00018.96
5.4.340.0040.03611.96
5.4.320.0060.03612.45
5.4.310.0050.03812.45
5.4.300.0070.03512.45
5.4.290.0060.04312.45
5.4.280.0060.03412.34
5.4.270.0060.03512.34
5.4.260.0060.03712.35
5.4.250.0070.03912.35
5.4.240.0050.03712.34
5.4.230.0050.03812.34
5.4.220.0030.04012.34
5.4.210.0070.03312.34
5.4.200.0060.03612.34
5.4.190.0060.03512.33
5.4.180.0050.03612.34
5.4.170.0050.03612.35
5.4.160.0070.03912.34
5.4.150.0070.03312.34
5.4.140.0070.03412.02
5.4.130.0080.03212.01
5.4.120.0070.03311.97
5.4.110.0070.03311.96
5.4.100.0060.03411.96
5.4.90.0050.03711.96
5.4.80.0070.03511.96
5.4.70.0090.03011.96
5.4.60.0050.03611.96
5.4.50.0070.03511.96
5.4.40.0040.03511.95
5.4.30.0120.02811.95
5.4.20.0060.03411.95
5.4.10.0040.03711.95
5.4.00.0040.03811.43
5.3.290.0060.03912.80
5.3.280.0060.03712.71
5.3.270.0080.04012.72
5.3.260.0060.03912.72
5.3.250.0050.04112.72
5.3.240.0060.03712.72
5.3.230.0070.03712.71
5.3.220.0070.03512.68
5.3.210.0110.03412.68
5.3.200.0060.03612.68
5.3.190.0060.03712.68
5.3.180.0050.03712.67
5.3.170.0060.03812.67
5.3.160.0060.03812.68
5.3.150.0070.03712.68
5.3.140.0080.03512.66
5.3.130.0090.03712.66
5.3.120.0090.04212.66
5.3.110.0090.03912.66
5.3.100.0070.05012.12
5.3.90.0060.03712.08
5.3.80.0080.03612.07
5.3.70.0080.03612.08
5.3.60.0070.03512.06
5.3.50.0040.03712.00
5.3.40.0080.03312.00
5.3.30.0050.03511.94
5.3.20.0050.04111.72
5.3.10.0030.03711.69
5.3.00.0050.03611.67
5.2.170.0030.0309.18
5.2.160.0060.0289.18
5.2.150.0050.0299.18
5.2.140.0060.0299.17
5.2.130.0030.0309.13
5.2.120.0060.0279.13
5.2.110.0040.0299.14
5.2.100.0060.0269.13
5.2.90.0040.0319.14
5.2.80.0030.0349.13
5.2.70.0050.0309.13
5.2.60.0020.0319.09
5.2.50.0050.0299.05
5.2.40.0020.0309.03
5.2.30.0020.0329.00
5.2.20.0040.0299.00
5.2.10.0050.0278.91
5.2.00.0040.0298.77
5.1.60.0060.0228.06
5.1.50.0030.0258.05
5.1.40.0040.0248.04
5.1.30.0070.0268.39
5.1.20.0020.0278.41
5.1.10.0030.0268.13
5.1.00.0020.0268.13
5.0.50.0060.0176.61
5.0.40.0040.0246.46
5.0.30.0020.0336.28
5.0.20.0030.0196.25
5.0.10.0010.0216.23
5.0.00.0030.0306.23
4.4.90.0020.0164.78
4.4.80.0010.0164.76
4.4.70.0000.0184.75
4.4.60.0020.0154.75
4.4.50.0030.0154.77
4.4.40.0030.0244.71
4.4.30.0020.0164.76
4.4.20.0030.0154.85
4.4.10.0030.0224.85
4.4.00.0070.0244.76
4.3.110.0020.0164.67
4.3.100.0020.0154.66
4.3.90.0030.0134.63
4.3.80.0050.0264.59
4.3.70.0020.0154.63
4.3.60.0020.0214.63
4.3.50.0030.0204.62
4.3.40.0030.0254.53
4.3.30.0040.0133.27
4.3.20.0020.0163.25
4.3.10.0020.0153.22
4.3.00.0000.0307.20

preferences:
64.45 ms | 401 KiB | 5 Q