3v4l.org

run code in 300+ PHP versions simultaneously
<?php $t = [1, 2, 3, 4, 5]; foreach($t as $k => &$v) { var_dump($v); unset($t[$k]); var_dump($v);}

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)
8.3.40.0040.01218.85
8.3.30.0060.00918.85
8.3.20.0050.00320.25
8.3.10.0050.00323.51
8.3.00.0040.00417.50
8.2.170.0120.00922.96
8.2.160.0070.00720.52
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00420.89
8.2.110.0030.00721.05
8.2.100.0110.00018.05
8.2.90.0000.00819.17
8.2.80.0080.00017.97
8.2.70.0030.00717.59
8.2.60.0050.00317.93
8.2.50.0040.00418.07
8.2.40.0000.00718.34
8.2.30.0040.00418.04
8.2.20.0050.00217.62
8.2.10.0040.00418.14
8.2.00.0080.00017.74
8.1.270.0040.00423.96
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0090.00021.56
8.1.230.0110.00019.66
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0000.00917.35
8.1.190.0080.00017.35
8.1.180.0040.00418.10
8.1.170.0040.00418.72
8.1.160.0070.00022.02
8.1.150.0000.01018.87
8.1.140.0000.00717.40
8.1.130.0030.00317.79
8.1.120.0040.00417.44
8.1.110.0000.00817.43
8.1.100.0000.00717.47
8.1.90.0040.00417.47
8.1.80.0000.00717.45
8.1.70.0050.00317.41
8.1.60.0090.00317.57
8.1.50.0050.00317.55
8.1.40.0080.00017.41
8.1.30.0000.00817.55
8.1.20.0030.00617.54
8.1.10.0030.00617.33
8.1.00.0080.00017.45
8.0.300.0050.00218.77
8.0.290.0030.00516.88
8.0.280.0000.00718.35
8.0.270.0040.00417.15
8.0.260.0000.00617.14
8.0.250.0020.00516.83
8.0.240.0000.00816.97
8.0.230.0000.00716.89
8.0.220.0000.00716.89
8.0.210.0050.00316.93
8.0.200.0060.00016.94
8.0.190.0070.00016.94
8.0.180.0000.00816.88
8.0.170.0040.00416.85
8.0.160.0040.00416.88
8.0.150.0070.00016.72
8.0.140.0070.00716.83
8.0.130.0040.00413.32
8.0.120.0030.00516.86
8.0.110.0080.00016.86
8.0.100.0050.00316.73
8.0.90.0000.00716.71
8.0.80.0170.00316.91
8.0.70.0000.00716.70
8.0.60.0070.00016.95
8.0.50.0040.00416.99
8.0.30.0100.01017.03
8.0.20.0110.00817.40
8.0.10.0070.00016.89
8.0.00.0110.00716.84
7.4.330.0000.00515.14
7.4.320.0000.00616.52
7.4.300.0000.00616.56
7.4.290.0030.00316.45
7.4.280.0030.00316.48
7.4.270.0040.00416.55
7.4.260.0000.00716.63
7.4.250.0000.00816.46
7.4.240.0020.00516.59
7.4.230.0040.00416.60
7.4.220.0030.01516.67
7.4.210.0040.01116.63
7.4.200.0040.00416.40
7.4.160.0090.00616.30
7.4.150.0100.00717.40
7.4.140.0130.00517.86
7.4.130.0130.00616.45
7.4.120.0050.01416.43
7.4.110.0100.00616.42
7.4.100.0060.01016.47
7.4.90.0150.00016.41
7.4.80.0130.00919.39
7.4.70.0090.00916.53
7.4.60.0170.00016.28
7.4.50.0000.00816.47
7.4.40.0120.00916.39
7.4.30.0110.00516.26
7.4.00.0030.01514.54
7.3.330.0030.00313.10
7.3.320.0000.00613.08
7.3.310.0000.00716.28
7.3.300.0040.00416.09
7.3.290.0000.01416.27
7.3.280.0070.00916.24
7.3.270.0200.00617.40
7.3.260.0100.01016.30
7.3.240.0100.00616.18
7.3.230.0070.01016.46
7.3.210.0140.00316.49
7.3.200.0090.00919.39
7.3.190.0030.01916.44
7.3.180.0160.00016.61
7.3.170.0060.00916.61
7.3.160.0100.00616.43
7.3.10.0060.00316.62
7.3.00.0000.01116.66
7.2.330.0090.00916.64
7.2.320.0120.00916.74
7.2.310.0100.00616.36
7.2.300.0130.00416.66
7.2.290.0110.01116.70
7.2.130.0000.01316.86
7.2.120.0160.00016.93
7.2.110.0100.00717.00
7.2.100.0000.00916.85
7.2.90.0060.00916.95
7.2.80.0110.00416.92
7.2.70.0040.00717.02
7.2.60.0020.01316.85
7.2.50.0110.00016.63
7.2.40.0070.00317.00
7.2.30.0040.01216.79
7.2.20.0120.00316.96
7.2.10.0040.01116.91
7.2.00.0100.00818.19
7.1.250.0060.00616.00
7.1.200.0100.00315.57
7.1.100.0100.00318.12
7.1.70.0030.00717.25
7.1.60.0060.01919.40
7.1.50.0230.01334.50
7.1.00.0000.07722.36
7.0.200.0030.00516.69
7.0.140.0070.07022.10
7.0.60.0100.08021.88
7.0.50.0100.06017.78
7.0.40.0070.08720.19
7.0.30.0470.08020.34
7.0.20.0270.07720.32
7.0.10.0000.09320.09
7.0.00.0100.08020.12
5.6.280.0000.07721.02
5.6.210.0070.07720.72
5.6.200.0200.04718.12
5.6.190.0070.04020.56
5.6.180.0070.05020.45
5.6.170.0370.06720.62
5.6.160.0000.04320.40
5.6.150.0070.04018.20
5.6.140.0070.06318.15
5.6.130.0070.05018.17
5.6.120.0030.05020.99
5.6.110.0070.09020.95
5.6.100.0170.05021.10
5.6.90.0170.06721.12
5.6.80.0100.08020.28
5.5.350.0070.07720.40
5.5.340.0100.03317.88
5.5.330.0070.04320.19
5.5.320.0330.07320.41
5.5.310.0170.04320.14
5.5.300.0070.05017.92
5.5.290.0100.08017.98
5.5.280.0130.06320.65
5.5.270.0100.08020.76
5.5.260.0130.04720.64
5.5.250.0000.09320.58
5.5.240.0270.03020.14
5.4.450.1030.06719.63
5.4.440.0970.07019.60
5.4.430.0930.05019.54
5.4.420.0130.05719.32
5.4.410.0030.06019.22
5.4.400.0430.06018.70
5.4.390.0430.05718.68
5.4.380.0330.06018.68
5.4.370.0400.05318.79
5.4.360.0500.07018.63
5.4.350.0180.08911.96
5.4.340.0070.03611.97
5.4.320.0050.03612.45
5.4.310.0060.03612.45
5.4.300.0070.03512.46
5.4.290.0070.04412.45
5.4.280.0070.04412.35
5.4.270.0050.03612.35
5.4.260.0080.03512.35
5.4.250.0050.03812.35
5.4.240.0050.03712.35
5.4.230.0040.03912.34
5.4.220.0040.03912.34
5.4.210.0050.03612.34
5.4.200.0060.03812.34
5.4.190.0060.04012.34
5.4.180.0040.03812.34
5.4.170.0050.03612.35
5.4.160.0050.03712.34
5.4.150.0060.03612.34
5.4.140.0080.03512.03
5.4.130.0030.03812.02
5.4.120.0030.03811.97
5.4.110.0030.03811.97
5.4.100.0040.03611.97
5.4.90.0070.03511.97
5.4.80.0080.04211.96
5.4.70.0070.03511.96
5.4.60.0050.03611.96
5.4.50.0070.03411.97
5.4.40.0050.03511.95
5.4.30.0050.03711.95
5.4.20.0050.03611.95
5.4.10.0060.03411.95
5.4.00.0050.03811.44
5.3.290.0070.04012.80
5.3.280.0070.04812.71
5.3.270.0060.04012.72
5.3.260.0040.04412.72
5.3.250.0070.03612.72
5.3.240.0070.03612.72
5.3.230.0070.03512.71
5.3.220.0040.04012.68
5.3.210.0030.04412.68
5.3.200.0060.03712.68
5.3.190.0080.03812.67
5.3.180.0110.03912.67
5.3.170.0070.03512.66
5.3.160.0090.03312.68
5.3.150.0050.03712.68
5.3.140.0060.03512.66
5.3.130.0070.04512.65
5.3.120.0020.04312.66
5.3.110.0120.03212.66
5.3.100.0090.03912.12
5.3.90.0070.03812.09
5.3.80.0060.03612.07
5.3.70.0070.03412.07
5.3.60.0040.04212.06
5.3.50.0040.03712.00
5.3.40.0080.03612.00
5.3.30.0030.03811.96
5.3.20.0060.03511.73
5.3.10.0020.03911.70
5.3.00.0050.03711.68
5.2.170.0100.0289.18
5.2.160.0050.0359.18
5.2.150.0040.0309.18
5.2.140.0070.0319.18
5.2.130.0050.0349.14
5.2.120.0050.0309.13
5.2.110.0070.0299.14
5.2.100.0060.0349.14
5.2.90.0050.0329.15
5.2.80.0040.0399.14
5.2.70.0020.0329.14
5.2.60.0070.0349.09
5.2.50.0080.0379.05
5.2.40.0020.0309.03
5.2.30.0050.0399.01
5.2.20.0100.0379.00
5.2.10.0070.0288.93
5.2.00.0030.0318.78
5.1.60.0030.0278.07
5.1.50.0040.0258.07
5.1.40.0070.0268.05
5.1.30.0040.0308.40
5.1.20.0040.0308.42
5.1.10.0030.0288.14
5.1.00.0020.0328.14
5.0.50.0050.0286.63
5.0.40.0040.0226.48
5.0.30.0050.0296.29
5.0.20.0060.0176.26
5.0.10.0040.0256.23
5.0.00.0040.0326.23
4.4.90.0020.0224.77
4.4.80.0020.0194.75
4.4.70.0020.0204.76
4.4.60.0030.0154.75
4.4.50.0060.0184.77
4.4.40.0070.0304.71
4.4.30.0030.0154.76
4.4.20.0040.0144.85
4.4.10.0030.0154.84
4.4.00.0040.0244.76
4.3.110.0030.0154.66
4.3.100.0010.0164.67
4.3.90.0030.0144.63
4.3.80.0040.0264.59
4.3.70.0020.0174.63
4.3.60.0040.0134.63
4.3.50.0010.0174.63
4.3.40.0040.0234.54
4.3.30.0030.0153.29
4.3.20.0040.0153.25
4.3.10.0030.0163.22
4.3.00.0130.02310.96

preferences:
36.83 ms | 400 KiB | 5 Q