3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(1,2,3,4); foreach($arr as &$item) if ($item == 3) unset($item); var_dump($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)
8.3.60.0070.01318.29
8.3.50.0100.01221.99
8.3.40.0110.00418.58
8.3.30.0060.01218.91
8.3.20.0070.00020.25
8.3.10.0080.00020.39
8.3.00.0040.00419.13
8.2.180.0140.00716.32
8.2.170.0000.01422.96
8.2.160.0000.01420.52
8.2.150.0070.00024.18
8.2.140.0000.00724.66
8.2.130.0030.00526.16
8.2.120.0080.00022.18
8.2.110.0060.00322.25
8.2.100.0030.00720.58
8.2.90.0040.00419.11
8.2.80.0030.00517.97
8.2.70.0050.00317.48
8.2.60.0080.00017.78
8.2.50.0090.00018.07
8.2.40.0050.00317.88
8.2.30.0070.00019.43
8.2.20.0080.00017.63
8.2.10.0050.00318.18
8.2.00.0000.00817.73
8.1.280.0170.00025.92
8.1.270.0050.00322.05
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00322.09
8.1.230.0110.00019.09
8.1.220.0040.00417.75
8.1.210.0040.00418.77
8.1.200.0050.00817.13
8.1.190.0040.00417.22
8.1.180.0040.00418.10
8.1.170.0000.00818.34
8.1.160.0040.00422.01
8.1.150.0050.00218.87
8.1.140.0050.00317.43
8.1.130.0070.00017.78
8.1.120.0070.00017.44
8.1.110.0040.00417.44
8.1.100.0020.00517.40
8.1.90.0040.00417.46
8.1.80.0030.00317.45
8.1.70.0030.00317.43
8.1.60.0030.00617.55
8.1.50.0030.00517.42
8.1.40.0030.00517.46
8.1.30.0000.00917.59
8.1.20.0000.00817.65
8.1.10.0000.00717.55
8.1.00.0040.00417.38
8.0.300.0080.00018.77
8.0.290.0040.00416.75
8.0.280.0030.00318.41
8.0.270.0070.00017.27
8.0.260.0000.00617.17
8.0.250.0000.00716.88
8.0.240.0060.00317.01
8.0.230.0030.00316.83
8.0.220.0000.00716.87
8.0.210.0050.00316.87
8.0.200.0000.00616.91
8.0.190.0040.00416.89
8.0.180.0030.00416.88
8.0.170.0000.00816.94
8.0.160.0040.00416.81
8.0.150.0000.00716.90
8.0.140.0040.00316.82
8.0.130.0000.00513.30
8.0.120.0000.00716.83
8.0.110.0070.00016.95
8.0.100.0040.00416.78
8.0.90.0050.00316.92
8.0.80.0070.01016.92
8.0.70.0000.00716.89
8.0.60.0040.00416.85
8.0.50.0050.00216.70
8.0.30.0100.01016.99
8.0.20.0120.00717.40
8.0.10.0030.00517.01
8.0.00.0100.00716.82
7.4.330.0060.00015.04
7.4.320.0040.00416.49
7.4.300.0030.00316.54
7.4.290.0070.00016.60
7.4.280.0050.00216.50
7.4.270.0000.00716.49
7.4.260.0040.00416.57
7.4.250.0040.00416.45
7.4.240.0020.00516.45
7.4.230.0000.00716.57
7.4.220.0150.00616.39
7.4.210.0030.01016.50
7.4.200.0070.00016.54
7.4.160.0100.00616.52
7.4.150.0070.01117.40
7.4.140.0070.01117.86
7.4.130.0110.00916.42
7.4.120.0110.00516.58
7.4.110.0100.00616.46
7.4.100.0040.01416.56
7.4.90.0040.01316.35
7.4.80.0140.00319.39
7.4.70.0100.00616.58
7.4.60.0100.00716.46
7.4.50.0000.00816.60
7.4.40.0110.00616.15
7.4.30.0070.01016.61
7.4.00.0090.00314.69
7.3.330.0030.00513.13
7.3.320.0000.00513.23
7.3.310.0030.00316.31
7.3.300.0000.00716.11
7.3.290.0080.00616.22
7.3.280.0050.01016.23
7.3.270.0030.01417.40
7.3.260.0070.01116.36
7.3.250.0080.00816.47
7.3.240.0080.00916.23
7.3.230.0080.00816.46
7.3.210.0130.01016.22
7.3.200.0130.00319.39
7.3.190.0110.00916.30
7.3.180.0130.00916.28
7.3.170.0030.01316.27
7.3.160.0060.00916.38
7.3.120.0000.01414.76
7.3.110.0030.01014.70
7.3.100.0070.00715.17
7.3.90.0080.00814.89
7.3.80.0030.01014.76
7.3.70.0000.01114.45
7.3.60.0000.01514.91
7.3.50.0040.01114.88
7.3.40.0040.01114.91
7.3.30.0070.00714.88
7.3.20.0100.00616.48
7.3.10.0040.00816.78
7.3.00.0080.00416.75
7.2.330.0130.01016.29
7.2.320.0150.00616.58
7.2.310.0170.00616.52
7.2.300.0120.00916.67
7.2.290.0130.01016.71
7.2.240.0050.00514.92
7.2.230.0080.00315.16
7.2.220.0040.01415.07
7.2.210.0030.00915.03
7.2.200.0080.00815.00
7.2.190.0110.00015.05
7.2.180.0130.00015.12
7.2.170.0070.00715.08
7.2.160.0070.01115.12
7.2.150.0060.01217.04
7.2.140.0110.00616.61
7.2.130.0120.00416.94
7.2.120.0030.00616.77
7.2.110.0040.01116.93
7.2.100.0090.00316.92
7.2.90.0070.01116.86
7.2.80.0100.00716.81
7.2.70.0070.00716.96
7.2.60.0030.01016.99
7.2.50.0090.00916.92
7.2.40.0060.00917.03
7.2.30.0070.01017.00
7.2.20.0110.00716.95
7.2.10.0090.00616.98
7.2.00.0110.00717.71
7.1.330.0040.01115.75
7.1.320.0030.00615.76
7.1.310.0040.00815.83
7.1.300.0000.01315.48
7.1.290.0000.01715.53
7.1.280.0040.01015.92
7.1.270.0100.00315.74
7.1.260.0030.01415.82
7.1.250.0100.00315.77
7.1.100.0070.00718.04
7.1.70.0060.00317.18
7.1.60.0030.01019.12
7.1.50.0090.00916.64
7.1.00.0030.07322.48
7.0.200.0000.00916.52
7.0.140.0030.07722.09
7.0.60.0100.06319.94
7.0.50.0030.08017.91
7.0.40.0000.04720.23
7.0.30.0270.06720.22
7.0.20.0270.07320.13
7.0.10.0030.09020.01
7.0.00.0170.07020.20
5.6.280.0100.06720.86
5.6.210.0170.07020.50
5.6.200.0000.05318.13
5.6.190.0070.06320.67
5.6.180.0270.04720.35
5.6.170.0300.06020.41
5.6.160.0170.03720.52
5.6.150.0130.05718.16
5.6.140.0030.04718.20
5.6.130.0070.04018.16
5.6.120.0070.04020.98
5.6.110.0100.06020.88
5.6.100.0100.08021.02
5.6.90.0000.05320.96
5.6.80.0130.07320.47
5.6.70.4100.03320.36
5.5.350.0230.07320.52
5.5.340.0000.09017.89
5.5.330.0030.09320.19
5.5.320.0100.08320.13
5.5.310.0230.07720.28
5.5.300.0070.03717.96
5.5.290.0000.07317.91
5.5.280.0070.08320.68
5.5.270.0130.06720.88
5.5.260.0070.08320.97
5.5.250.0000.06720.61
5.5.240.0170.03720.14
5.4.450.0530.04319.55
5.4.440.0300.04319.58
5.4.430.0570.04719.47
5.4.420.0170.04719.45
5.4.410.0270.04319.45
5.4.400.0300.03319.45
5.4.390.0530.04019.45
5.4.380.0370.05318.53
5.4.370.0330.05318.79
5.4.360.0400.06718.45
5.4.350.0500.06318.62
5.4.340.0270.06018.70
5.4.320.0060.04412.45
5.4.310.0060.04012.45
5.4.300.0110.04612.45
5.4.290.0080.03812.45
5.4.280.0060.03612.34
5.4.270.0130.04512.35
5.4.260.0060.04112.34
5.4.250.0070.04112.34
5.4.240.0030.04012.34
5.4.230.0050.04012.34
5.4.220.0070.03512.34
5.4.210.0090.03612.34
5.4.200.0030.04312.34
5.4.190.0060.03812.34
5.4.180.0090.04512.34
5.4.170.0060.04112.34
5.4.160.0080.04012.34
5.4.150.0060.03612.34
5.4.140.0060.03912.02
5.4.130.0080.05312.01
5.4.120.0060.03611.97
5.4.110.0060.03511.96
5.4.100.0030.04011.96
5.4.90.0050.03811.97
5.4.80.0060.03711.96
5.4.70.0080.03211.96
5.4.60.0070.03411.96
5.4.50.0050.03511.96
5.4.40.0070.04811.95
5.4.30.0080.04311.95
5.4.20.0070.03411.95
5.4.10.0040.03611.95
5.4.00.0040.03911.43
5.3.290.0080.03812.80
5.3.280.0070.03712.71
5.3.270.0080.03712.72
5.3.260.0130.05012.72
5.3.250.0120.03712.72
5.3.240.0050.04312.71
5.3.230.0060.03812.71
5.3.220.0050.03712.68
5.3.210.0040.04012.68
5.3.200.0060.03612.68
5.3.190.0110.04712.68
5.3.180.0120.04612.67
5.3.170.0060.05212.67
5.3.160.0060.04012.67
5.3.150.0130.04012.67
5.3.140.0080.04512.66
5.3.130.0090.04012.66
5.3.120.0070.04512.65
5.3.110.0050.04012.66
5.3.100.0090.03512.12
5.3.90.0090.03412.09
5.3.80.0070.03512.08
5.3.70.0070.03612.07
5.3.60.0080.04012.06
5.3.50.0060.03912.00
5.3.40.0040.03812.00
5.3.30.0060.03611.95
5.3.20.0060.04811.72
5.3.10.0070.03411.69
5.3.00.0080.04411.68
5.2.170.0030.0329.18
5.2.160.0040.0299.18
5.2.150.0080.0279.18
5.2.140.0070.0289.17
5.2.130.0050.0289.13
5.2.120.0070.0269.14
5.2.110.0020.0329.14
5.2.100.0050.0279.14
5.2.90.0040.0299.14
5.2.80.0020.0339.13
5.2.70.0040.0319.14
5.2.60.0040.0349.09
5.2.50.0060.0309.05
5.2.40.0090.0249.03
5.2.30.0060.0289.01
5.2.20.0030.0309.00
5.2.10.0040.0288.92
5.2.00.0080.0288.78
5.1.60.0030.0308.06
5.1.50.0060.0228.05
5.1.40.0010.0278.04
5.1.30.0050.0358.39
5.1.20.0030.0278.41
5.1.10.0050.0258.13
5.1.00.0030.0268.13
5.0.50.0040.0206.62
5.0.40.0040.0186.47
5.0.30.0050.0306.29
5.0.20.0020.0206.26
5.0.10.0020.0216.23
5.0.00.0010.0326.23
4.4.90.0020.0164.78
4.4.80.0030.0154.75
4.4.70.0020.0164.76
4.4.60.0050.0124.75
4.4.50.0020.0214.77
4.4.40.0040.0234.71
4.4.30.0020.0154.76
4.4.20.0040.0244.84
4.4.10.0010.0174.85
4.4.00.0040.0234.76
4.3.110.0020.0164.67
4.3.100.0060.0114.66
4.3.90.0010.0164.63
4.3.80.0030.0244.59
4.3.70.0020.0154.63
4.3.60.0010.0174.62
4.3.50.0010.0174.63
4.3.40.0040.0234.54
4.3.30.0000.0183.29
4.3.20.0020.0163.27
4.3.10.0020.0153.22
4.3.00.0030.01719.45

preferences:
50.21 ms | 401 KiB | 5 Q