3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(2,1,3); $c = array(); foreach($a as $b){ $c[$b] = $b; } var_dump($c);

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)
8.3.40.0000.01418.84
8.3.30.0110.00418.92
8.3.20.0040.00420.25
8.3.10.0070.00023.67
8.3.00.0150.00321.05
8.2.170.0090.00622.96
8.2.160.0070.01020.48
8.2.150.0070.00724.18
8.2.140.0150.00324.66
8.2.130.0120.00326.16
8.2.120.0090.00019.35
8.2.110.0070.00322.23
8.2.100.0060.00618.16
8.2.90.0080.00019.40
8.2.80.0000.00817.97
8.2.70.0000.00817.63
8.2.60.0000.00818.16
8.2.50.0030.00618.07
8.2.40.0000.01018.16
8.2.30.0030.00518.23
8.2.20.0070.00017.65
8.2.10.0000.00718.02
8.2.00.0050.00319.51
8.1.270.0080.00822.02
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00323.82
8.1.230.0070.00318.98
8.1.220.0000.00917.79
8.1.210.0080.00018.77
8.1.200.0060.00317.35
8.1.190.0040.00417.23
8.1.180.0060.00318.10
8.1.170.0040.00418.63
8.1.160.0070.00021.96
8.1.150.0000.00718.65
8.1.140.0040.00417.36
8.1.130.0030.00317.67
8.1.120.0090.00017.40
8.1.110.0030.00717.44
8.1.100.0000.00717.38
8.1.90.0070.00017.47
8.1.80.0070.00017.44
8.1.70.0000.00717.38
8.1.60.0040.00417.61
8.1.50.0030.00617.51
8.1.40.0030.00517.56
8.1.30.0030.00517.64
8.1.20.0040.00417.53
8.1.10.0060.00317.46
8.1.00.0000.00817.35
8.0.300.0000.00718.77
8.0.290.0050.00316.75
8.0.280.0030.00318.45
8.0.270.0070.00017.25
8.0.260.0030.00317.16
8.0.250.0000.00717.00
8.0.240.0000.00816.86
8.0.230.0030.00316.79
8.0.220.0000.00616.78
8.0.210.0040.00416.86
8.0.200.0060.00016.91
8.0.190.0040.00416.91
8.0.180.0110.00016.87
8.0.170.0030.00616.98
8.0.160.0000.00716.85
8.0.150.0030.00516.74
8.0.140.0040.00416.74
8.0.130.0080.00013.36
8.0.120.0050.00216.79
8.0.110.0020.00516.87
8.0.100.0040.00416.77
8.0.90.0040.00416.80
8.0.80.0060.00916.82
8.0.70.0000.00816.87
8.0.60.0030.00716.93
8.0.50.0070.00016.79
8.0.30.0090.01016.98
8.0.20.0130.00717.40
8.0.10.0040.00416.89
8.0.00.0120.00516.78
7.4.330.0030.00315.09
7.4.320.0000.00616.59
7.4.300.0040.00416.51
7.4.290.0030.00316.60
7.4.280.0030.00316.48
7.4.270.0070.00016.52
7.4.260.0040.00316.42
7.4.250.0030.00516.61
7.4.240.0020.00516.56
7.4.230.0040.00416.59
7.4.220.0000.01716.54
7.4.210.0060.00916.61
7.4.200.0050.00216.71
7.4.160.0040.01816.62
7.4.150.0060.01217.40
7.4.140.0130.00417.86
7.4.130.0130.01016.53
7.4.120.0080.00816.43
7.4.110.0100.00716.58
7.4.100.0130.00616.55
7.4.90.0150.00316.52
7.4.80.0060.01219.39
7.4.70.0140.00316.61
7.4.60.0100.01016.52
7.4.50.0030.00316.56
7.4.40.0090.01216.71
7.4.30.0060.00916.65
7.4.00.0060.00614.93
7.3.330.0030.00313.16
7.3.320.0000.00613.05
7.3.310.0000.00716.33
7.3.300.0030.00316.22
7.3.290.0090.01216.38
7.3.280.0090.01316.29
7.3.270.0100.00717.40
7.3.260.0120.00616.38
7.3.250.0100.01016.45
7.3.240.0070.01116.71
7.3.230.0030.01716.59
7.3.210.0140.00316.45
7.3.200.0120.00316.44
7.3.190.0030.01316.46
7.3.180.0100.00616.38
7.3.170.0130.00416.42
7.3.160.0120.00316.38
7.3.120.0090.00615.11
7.2.330.0070.01016.59
7.2.320.0090.00616.33
7.2.310.0150.00616.61
7.2.300.0170.00716.64
7.2.290.0100.00716.46
7.2.00.0030.00919.52
7.1.200.0040.00715.64
7.1.100.0030.00618.08
7.1.70.0040.00417.12
7.1.60.0170.00719.70
7.1.50.0100.01317.01
7.1.00.0100.07022.54
7.0.200.0000.01016.68
7.0.140.0070.07021.97
7.0.60.0030.08320.03
7.0.50.0000.05317.92
7.0.40.0200.04020.12
7.0.30.0430.04320.13
7.0.20.0330.07320.16
7.0.10.0100.08320.19
7.0.00.0170.06720.18
5.6.280.0000.07721.08
5.6.210.0000.04320.74
5.6.200.0100.05318.17
5.6.190.0030.04320.32
5.6.180.3830.04020.64
5.6.170.0230.05320.52
5.6.160.0170.05020.51
5.6.150.0170.04718.11
5.6.140.0100.07718.20
5.6.130.0030.06718.14
5.6.120.0070.04021.01
5.6.110.0100.06720.97
5.6.100.0200.07020.98
5.6.90.0030.04321.00
5.6.80.0100.08020.40
5.6.70.4100.04020.43
5.5.350.0100.03720.42
5.5.340.0200.05317.95
5.5.330.0100.08020.25
5.5.320.0270.08020.21
5.5.310.0230.07720.30
5.5.300.0070.04717.92
5.5.290.0030.05717.93
5.5.280.0070.05020.87
5.5.270.0070.08020.86
5.5.260.0100.08320.66
5.5.250.0230.05720.61
5.5.240.0170.03720.28
5.4.450.0300.04719.37
5.4.440.0130.05020.20
5.4.430.0470.03319.81
5.4.420.0270.04719.48
5.4.410.0330.04319.43
5.4.400.0670.03018.93
5.4.390.0330.04718.78
5.4.380.0730.05718.56
5.4.370.0700.05718.58
5.4.360.0630.05318.48
5.4.350.0770.06718.52
5.4.340.0870.05718.51
5.4.320.0070.04112.45
5.4.310.0070.04312.45
5.4.300.0050.03812.46
5.4.290.0060.03812.45
5.4.280.0080.03412.35
5.4.270.0030.03912.35
5.4.260.0080.03612.35
5.4.250.0090.03412.35
5.4.240.0050.03812.35
5.4.230.0040.03912.34
5.4.220.0050.03712.34
5.4.210.0030.03812.34
5.4.200.0070.04412.34
5.4.190.0050.03812.34
5.4.180.0120.03412.34
5.4.170.0080.03712.35
5.4.160.0080.03412.34
5.4.150.0050.04012.34
5.4.140.0040.04112.02
5.4.130.0060.03612.02
5.4.120.0070.03511.97
5.4.110.0090.04511.97
5.4.100.0100.04511.97
5.4.90.0050.04111.97
5.4.80.0040.03911.96
5.4.70.0070.03311.96
5.4.60.0060.03511.96
5.4.50.0090.03411.96
5.4.40.0110.03211.95
5.4.30.0060.03811.95
5.4.20.0050.03711.95
5.4.10.0080.03311.95
5.4.00.0030.03911.44
5.3.290.0050.04412.80
5.3.280.0040.04212.70
5.3.270.0090.03712.73
5.3.260.0080.03912.72
5.3.250.0080.04112.72
5.3.240.0080.04212.72
5.3.230.0080.03912.70
5.3.220.0100.04112.68
5.3.210.0120.05312.68
5.3.200.0070.04912.68
5.3.190.0060.03912.68
5.3.180.0060.04112.67
5.3.170.0070.03712.67
5.3.160.0090.03512.68
5.3.150.0060.03812.67
5.3.140.0030.04012.66
5.3.130.0070.03812.66
5.3.120.0070.03812.66
5.3.110.0070.03812.66
5.3.100.0070.03512.12
5.3.90.0060.04112.09
5.3.80.0040.03812.07
5.3.70.0060.03612.07
5.3.60.0070.03512.07
5.3.50.0080.03412.00
5.3.40.0060.03612.00
5.3.30.0040.03711.94
5.3.20.0050.03811.72
5.3.10.0070.03511.69
5.3.00.0070.04111.68
5.2.170.0090.0289.18
5.2.160.0050.0299.18
5.2.150.0080.0289.18
5.2.140.0050.0319.18
5.2.130.0060.0359.13
5.2.120.0070.0319.14
5.2.110.0030.0389.14
5.2.100.0070.0309.14
5.2.90.0060.0329.14
5.2.80.0050.0339.13
5.2.70.0070.0319.13
5.2.60.0040.0329.09
5.2.50.0060.0309.05
5.2.40.0020.0329.03
5.2.30.0040.0319.01
5.2.20.0070.0289.00
5.2.10.0030.0308.92
5.2.00.0060.0298.77
5.1.60.0040.0278.06
5.1.50.0070.0228.05
5.1.40.0060.0248.04
5.1.30.0060.0318.39
5.1.20.0070.0288.41
5.1.10.0040.0268.13
5.1.00.0040.0278.13
5.0.50.0050.0206.62
5.0.40.0050.0176.47
5.0.30.0050.0296.29
5.0.20.0020.0226.26
5.0.10.0050.0196.23
5.0.00.0020.0326.23
4.4.90.0010.0174.78
4.4.80.0030.0174.75
4.4.70.0030.0164.75
4.4.60.0040.0154.75
4.4.50.0050.0144.77
4.4.40.0030.0244.70
4.4.30.0010.0174.76
4.4.20.0050.0134.85
4.4.10.0020.0164.85
4.4.00.0030.0254.76
4.3.110.0040.0164.67
4.3.100.0030.0154.66
4.3.90.0040.0144.63
4.3.80.0040.0234.58
4.3.70.0040.0154.63
4.3.60.0040.0144.63
4.3.50.0040.0144.63
4.3.40.0020.0254.53
4.3.30.0060.0123.28
4.3.20.0010.0173.25
4.3.10.0010.0173.21
4.3.00.0030.01716.70

preferences:
48.04 ms | 400 KiB | 5 Q