3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(1,2,3,4); foreach($arr as $key => $item) if ($item == 3) unset($arr[$key]); var_dump($arr);

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)
8.3.60.0130.00718.34
8.3.50.0120.00922.02
8.3.40.0070.00718.71
8.3.30.0110.00719.05
8.3.20.0000.00720.20
8.3.10.0040.00420.38
8.3.00.0080.00019.25
8.2.180.0120.00316.46
8.2.170.0100.01022.96
8.2.160.0120.00320.36
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0050.00322.16
8.2.110.0040.00722.23
8.2.100.0070.00420.54
8.2.90.0000.00719.30
8.2.80.0000.00917.97
8.2.70.0030.00617.50
8.2.60.0060.00318.05
8.2.50.0060.00318.07
8.2.40.0000.00718.20
8.2.30.0040.00419.30
8.2.20.0000.00717.61
8.2.10.0080.00018.09
8.2.00.0060.00317.71
8.1.280.0110.00625.92
8.1.270.0030.00522.07
8.1.260.0050.00226.35
8.1.250.0060.00328.09
8.1.240.0060.00323.75
8.1.230.0080.00419.15
8.1.220.0030.00617.77
8.1.210.0000.00918.77
8.1.200.0070.00717.23
8.1.190.0000.00817.23
8.1.180.0070.00018.10
8.1.170.0060.00318.66
8.1.160.0040.00422.00
8.1.150.0040.00418.79
8.1.140.0070.00017.34
8.1.130.0030.00317.84
8.1.120.0040.00417.53
8.1.110.0030.00517.36
8.1.100.0000.00717.36
8.1.90.0000.00717.45
8.1.80.0000.00717.32
8.1.70.0000.00817.33
8.1.60.0030.00617.57
8.1.50.0030.00617.40
8.1.40.0040.00417.54
8.1.30.0000.00817.49
8.1.20.0040.00417.59
8.1.10.0000.00717.39
8.1.00.0040.00417.32
8.0.300.0040.00418.77
8.0.290.0050.00216.75
8.0.280.0000.00818.54
8.0.270.0030.00317.25
8.0.260.0000.00717.30
8.0.250.0070.00016.90
8.0.240.0070.00016.97
8.0.230.0050.00217.01
8.0.220.0030.00316.77
8.0.210.0060.00016.86
8.0.200.0000.00716.94
8.0.190.0000.00816.95
8.0.180.0040.00416.93
8.0.170.0050.00316.94
8.0.160.0040.00416.96
8.0.150.0000.00716.79
8.0.140.0040.00416.88
8.0.130.0060.00013.30
8.0.120.0020.00516.75
8.0.110.0000.00716.90
8.0.100.0040.00416.82
8.0.90.0080.00016.71
8.0.80.0130.00316.76
8.0.70.0040.00416.84
8.0.60.0000.00716.83
8.0.50.0040.00416.87
8.0.30.0090.01017.01
8.0.20.0100.00817.40
8.0.10.0040.00417.11
8.0.00.0060.01016.81
7.4.330.0000.00515.00
7.4.320.0070.00016.60
7.4.300.0030.00316.48
7.4.290.0040.00416.59
7.4.280.0090.00016.63
7.4.270.0030.00316.50
7.4.260.0040.00416.38
7.4.250.0000.00716.55
7.4.240.0030.00516.47
7.4.230.0030.00316.34
7.4.220.0120.00616.70
7.4.210.0000.01316.53
7.4.200.0070.00016.58
7.4.160.0140.00316.45
7.4.150.0170.00017.40
7.4.140.0050.01217.86
7.4.130.0100.00716.45
7.4.120.0070.01016.48
7.4.110.0100.00616.56
7.4.100.0100.00716.54
7.4.90.0030.01416.55
7.4.80.0100.00719.39
7.4.70.0080.00916.59
7.4.60.0070.01016.32
7.4.50.0000.00816.37
7.4.40.0030.01416.49
7.4.30.0150.00016.38
7.4.00.0040.01314.74
7.3.330.0030.00413.16
7.3.320.0050.00013.11
7.3.310.0000.00716.30
7.3.300.0000.00716.23
7.3.290.0000.01416.31
7.3.280.0100.00716.23
7.3.270.0150.00317.40
7.3.260.0100.01016.45
7.3.250.0100.00916.32
7.3.240.0070.01016.52
7.3.230.0030.01316.39
7.3.210.0140.00316.66
7.3.200.0180.00319.39
7.3.190.0160.00616.46
7.3.180.0190.00316.23
7.3.170.0110.00516.30
7.3.160.0110.00516.20
7.3.120.0040.01314.92
7.3.110.0050.01014.73
7.3.100.0050.00814.63
7.3.90.0030.00714.72
7.3.80.0070.00714.84
7.3.70.0080.00514.70
7.3.60.0060.00614.62
7.3.50.0060.00614.69
7.3.40.0030.01214.81
7.3.30.0090.00314.68
7.3.20.0060.00716.67
7.3.10.0050.01016.56
7.3.00.0080.00516.66
7.2.330.0130.00516.71
7.2.320.0060.01316.75
7.2.310.0150.00616.77
7.2.300.0100.01316.54
7.2.290.0090.00916.46
7.2.250.0070.01015.16
7.2.240.0060.01015.21
7.2.230.0070.01015.06
7.2.220.0080.00814.89
7.2.210.0130.00315.01
7.2.200.0090.00715.02
7.2.190.0080.00714.95
7.2.180.0070.00515.04
7.2.170.0100.00215.02
7.2.60.0030.01017.03
7.2.00.0030.00719.44
7.1.330.0090.00615.73
7.1.320.0040.00815.78
7.1.310.0050.01015.50
7.1.300.0070.00315.73
7.1.290.0060.00515.81
7.1.280.0060.00815.69
7.1.270.0080.00215.62
7.1.260.0090.00215.68
7.1.200.0090.00315.70
7.1.100.0060.00618.29
7.1.70.0000.01117.16
7.1.60.0100.01019.12
7.1.50.0040.01116.71
7.1.00.0030.07722.57
7.0.200.0030.00516.84
7.0.140.0100.06722.04
7.0.60.0100.04319.88
7.0.50.0030.05317.90
7.0.40.0170.07319.98
7.0.30.0200.05020.21
7.0.20.0330.07020.16
7.0.10.0200.07019.98
7.0.00.0030.05320.21
5.6.280.0000.07721.09
5.6.210.0030.04020.46
5.6.200.0070.08318.19
5.6.190.0000.09320.51
5.6.180.0300.05020.48
5.6.170.0230.03320.42
5.6.160.0030.06020.71
5.6.150.0100.07318.18
5.6.140.0070.06018.16
5.6.130.0130.07318.14
5.6.120.0070.04021.00
5.6.110.0130.06321.11
5.6.100.0100.08320.98
5.6.90.0100.05721.09
5.6.80.0100.06020.38
5.6.70.4430.04020.39
5.5.350.0070.08020.41
5.5.340.0130.06717.88
5.5.330.0070.05020.19
5.5.320.0430.06720.28
5.5.310.0270.07320.27
5.5.300.0070.03717.96
5.5.290.0130.07317.98
5.5.280.0070.04020.73
5.5.270.0030.06720.79
5.5.260.0130.07720.75
5.5.250.0030.05720.74
5.5.240.0100.07720.07
5.4.450.0530.03719.45
5.4.440.0370.04019.57
5.4.430.0270.04019.45
5.4.420.0300.04719.48
5.4.410.0330.03019.45
5.4.400.0270.04019.45
5.4.390.0130.04719.45
5.4.380.0230.05718.47
5.4.370.0330.06718.68
5.4.360.0200.05718.70
5.4.350.0330.06018.70
5.4.340.0530.07318.46
5.4.320.0060.05012.45
5.4.310.0110.04112.45
5.4.300.0050.04212.45
5.4.290.0070.03712.45
5.4.280.0100.03212.35
5.4.270.0030.03912.35
5.4.260.0070.03612.35
5.4.250.0070.03712.35
5.4.240.0090.03212.35
5.4.230.0050.03812.34
5.4.220.0030.03812.34
5.4.210.0030.04412.34
5.4.200.0110.03612.34
5.4.190.0040.03812.34
5.4.180.0050.03612.34
5.4.170.0060.03512.35
5.4.160.0050.03612.35
5.4.150.0060.03612.34
5.4.140.0070.03612.02
5.4.130.0050.03612.01
5.4.120.0060.03611.97
5.4.110.0080.03311.96
5.4.100.0090.03411.97
5.4.90.0080.03511.96
5.4.80.0100.03311.96
5.4.70.0060.03511.96
5.4.60.0060.03411.96
5.4.50.0050.03711.96
5.4.40.0050.03511.95
5.4.30.0040.03611.95
5.4.20.0070.03211.94
5.4.10.0030.03711.95
5.4.00.0060.03411.44
5.3.290.0080.04512.80
5.3.280.0070.03612.71
5.3.270.0070.04212.72
5.3.260.0110.04412.71
5.3.250.0060.03712.71
5.3.240.0050.03812.72
5.3.230.0050.03812.71
5.3.220.0080.03812.68
5.3.210.0030.04212.68
5.3.200.0070.04712.68
5.3.190.0100.03612.68
5.3.180.0060.03912.68
5.3.170.0050.03712.67
5.3.160.0070.03512.68
5.3.150.0050.03812.67
5.3.140.0090.03312.66
5.3.130.0040.03912.66
5.3.120.0050.03912.66
5.3.110.0070.03912.65
5.3.100.0060.03612.12
5.3.90.0110.03712.09
5.3.80.0070.03912.08
5.3.70.0040.04312.08
5.3.60.0050.03812.07
5.3.50.0060.03612.00
5.3.40.0040.03712.00
5.3.30.0080.03311.95
5.3.20.0050.03811.72
5.3.10.0060.04011.69
5.3.00.0060.03511.68
5.2.170.0060.0419.18
5.2.160.0030.0309.18
5.2.150.0030.0319.18
5.2.140.0060.0289.18
5.2.130.0020.0309.13
5.2.120.0070.0319.13
5.2.110.0050.0299.14
5.2.100.0060.0309.14
5.2.90.0060.0269.14
5.2.80.0070.0339.14
5.2.70.0040.0309.13
5.2.60.0030.0319.09
5.2.50.0030.0319.05
5.2.40.0070.0329.04
5.2.30.0070.0309.01
5.2.20.0050.0279.00
5.2.10.0040.0288.92
5.2.00.0080.0288.77
5.1.60.0040.0348.06
5.1.50.0050.0228.06
5.1.40.0040.0268.04
5.1.30.0050.0248.39
5.1.20.0070.0238.41
5.1.10.0060.0298.14
5.1.00.0050.0358.13
5.0.50.0030.0296.61
5.0.40.0010.0226.47
5.0.30.0040.0316.29
5.0.20.0050.0176.26
5.0.10.0050.0186.23
5.0.00.0050.0296.23
4.4.90.0020.0164.78
4.4.80.0010.0174.75
4.4.70.0030.0154.75
4.4.60.0020.0164.75
4.4.50.0010.0164.77
4.4.40.0030.0244.70
4.4.30.0010.0174.76
4.4.20.0010.0174.85
4.4.10.0020.0184.85
4.4.00.0030.0254.76
4.3.110.0050.0134.66
4.3.100.0040.0134.66
4.3.90.0060.0214.63
4.3.80.0020.0264.58
4.3.70.0040.0154.63
4.3.60.0020.0154.63
4.3.50.0010.0204.63
4.3.40.0010.0294.54
4.3.30.0020.0193.29
4.3.20.0040.0203.26
4.3.10.0010.0163.22
4.3.00.0070.01719.45

preferences:
38.04 ms | 401 KiB | 5 Q