3v4l.org

run code in 300+ PHP versions simultaneously
<?php $values = [1, 2, 3, 4, 5, 6]; $result = 0; reset($values); while (key($values) !== null) { $result += current($values) - next($values); next($values); } var_dump($result); var_dump(array_sum(array_column(array_chunk($values, 2), 0)) - array_sum(array_column(array_chunk($values, 2), 1))); var_dump( array_reduce(array_chunk($values, 2), function ($result, $item) { return $result + current($item) - next($item); }));

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)
8.3.60.0140.00716.61
8.3.50.0080.01122.88
8.3.40.0110.00419.02
8.3.30.0120.00419.04
8.3.20.0040.00420.39
8.3.10.0080.00023.64
8.3.00.0080.00019.38
8.2.180.0090.00618.54
8.2.170.0100.01322.96
8.2.160.0100.00620.11
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0000.00820.88
8.2.110.0060.00320.54
8.2.100.0070.00418.16
8.2.90.0040.00419.17
8.2.80.0040.00417.97
8.2.70.0050.00317.75
8.2.60.0080.00018.04
8.2.50.0000.00918.07
8.2.40.0060.00618.28
8.2.30.0000.00818.13
8.2.20.0020.00517.82
8.2.10.0000.00818.11
8.2.00.0030.00517.80
8.1.280.0140.00725.92
8.1.270.0050.00322.21
8.1.260.0020.00526.35
8.1.250.0070.00028.09
8.1.240.0090.00022.08
8.1.230.0000.01119.23
8.1.220.0030.00617.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0000.00817.35
8.1.180.0000.00818.10
8.1.170.0000.00918.66
8.1.160.0070.00022.02
8.1.150.0070.00018.81
8.1.140.0000.00917.49
8.1.130.0000.00717.83
8.1.120.0000.00717.54
8.1.110.0060.00317.46
8.1.100.0000.00717.34
8.1.90.0040.00417.51
8.1.80.0040.00417.37
8.1.70.0000.00717.40
8.1.60.0000.00717.58
8.1.50.0030.00517.45
8.1.40.0000.00717.55
8.1.30.0080.00017.43
8.1.20.0050.00317.70
8.1.10.0000.00717.43
8.1.00.0050.00317.42
8.0.300.0040.00418.77
8.0.290.0030.00516.75
8.0.280.0040.00418.37
8.0.270.0030.00317.19
8.0.260.0030.00317.09
8.0.250.0030.00316.91
8.0.240.0000.01016.97
8.0.230.0030.00316.81
8.0.220.0000.00716.88
8.0.210.0070.00016.89
8.0.200.0070.00017.05
8.0.190.0070.00017.01
8.0.180.0040.00716.94
8.0.170.0050.00216.89
8.0.160.0070.00017.05
8.0.150.0030.00316.84
8.0.140.0040.00416.85
8.0.130.0040.00413.41
8.0.120.0040.00416.96
8.0.110.0060.00316.93
8.0.100.0040.00417.01
8.0.90.0030.00316.89
8.0.80.0090.00616.85
8.0.70.0000.00717.01
8.0.60.0070.00017.00
8.0.50.0000.00716.84
8.0.30.0110.00916.96
8.0.20.0080.01117.40
8.0.10.0050.00317.12
8.0.00.0060.01316.76
7.4.330.0080.00015.00
7.4.320.0040.00416.64
7.4.300.0060.00016.49
7.4.290.0030.00316.49
7.4.280.0080.00016.56
7.4.270.0030.00316.58
7.4.260.0030.00316.57
7.4.250.0000.00816.59
7.4.240.0020.00616.51
7.4.230.0040.00416.64
7.4.220.0090.00916.46
7.4.210.0100.01016.46
7.4.200.0050.00316.60
7.4.160.0060.00916.51
7.4.150.0150.00317.40
7.4.140.0060.01117.86
7.4.130.0110.01016.47
7.4.120.0080.00816.56
7.4.110.0120.00616.54
7.4.100.0110.01116.59
7.4.90.0060.01116.60
7.4.80.0130.00619.39
7.4.70.0030.01316.59
7.4.60.0100.00716.43
7.4.50.0000.00516.60
7.4.40.0100.01016.44
7.4.30.0000.01616.26
7.4.00.0100.00715.00
7.3.330.0060.00013.08
7.3.320.0050.00013.28
7.3.310.0070.00016.27
7.3.300.0070.00016.34
7.3.290.0120.00216.33
7.3.280.0060.01016.27
7.3.270.0000.01717.40
7.3.260.0090.00916.23
7.3.250.0120.00716.55
7.3.240.0190.00016.57
7.3.230.0090.00916.39
7.3.210.0030.01316.50
7.3.200.0100.00719.39
7.3.190.0110.00516.29
7.3.180.0060.00916.60
7.3.170.0060.00916.38
7.3.160.0100.00616.34
7.2.330.0080.01116.59
7.2.320.0030.01316.73
7.2.310.0070.01316.39
7.2.300.0160.00016.60
7.2.290.0110.00716.46
7.2.00.0070.00719.29
7.1.100.0050.00517.96
7.1.70.0000.00717.19
7.1.60.0150.00919.46
7.1.50.0240.01034.38
7.1.00.0030.09022.39
7.0.200.0080.00016.95
7.0.140.0000.07721.95
7.0.60.0070.07019.93
7.0.50.0070.08317.87
7.0.40.0000.05720.39
7.0.30.0200.07320.13
7.0.20.0230.08020.33
7.0.10.0230.08020.15
7.0.00.0100.08720.07
5.6.280.0000.07720.89
5.6.210.0130.07320.69
5.6.200.0100.08018.21
5.6.190.0100.07720.48
5.6.180.0200.04320.64
5.6.170.0330.04720.71
5.6.160.0070.04020.47
5.6.150.0130.07018.19
5.6.140.0070.08318.28
5.6.130.0030.06018.25
5.6.120.0030.07320.90
5.6.110.0000.08020.98
5.6.100.0070.07720.98
5.6.90.0170.07721.08
5.6.80.0070.08720.41
5.6.70.4970.04020.50
5.5.350.0230.07320.44
5.5.340.0070.05317.96
5.5.330.0170.04720.43
5.5.320.0300.07320.34
5.5.310.0230.04320.51
5.5.300.0100.08018.07
5.5.290.0030.09317.97
5.5.280.0030.07720.68
5.5.270.0070.04020.88
5.5.260.0070.08320.87
5.5.250.0000.04720.68
5.5.240.4130.04320.28
5.4.450.0330.04019.56
5.4.440.0200.03719.17
5.4.430.0230.03019.56
5.4.420.0300.03719.41
5.4.410.0230.04319.14
5.4.400.0330.03019.25
5.4.390.0230.03719.14
5.4.380.0300.05318.83
5.4.370.0400.05318.56
5.4.360.0230.05718.59
5.4.350.0330.05718.78
5.4.340.0270.05718.75
5.4.320.0060.03612.50
5.4.310.0060.03812.50
5.4.300.0060.03612.50
5.4.290.0070.03712.50
5.4.280.0080.03412.39
5.4.270.0050.03712.39
5.4.260.0060.03612.40
5.4.250.0100.03312.39
5.4.240.0060.03612.39
5.4.230.0070.03512.39
5.4.220.0070.03512.39
5.4.210.0050.03712.39
5.4.200.0050.03812.39
5.4.190.0070.03312.39
5.4.180.0050.03612.38
5.4.170.0030.03812.40
5.4.160.0090.03212.39
5.4.150.0040.03612.38
5.4.140.0070.03612.07
5.4.130.0060.03412.06
5.4.120.0050.03512.02
5.4.110.0090.03112.01
5.4.100.0030.03712.01
5.4.90.0040.03912.02
5.4.80.0060.04112.02
5.4.70.0080.03512.00
5.4.60.0050.03612.01
5.4.50.0060.03412.01
5.4.40.0050.03512.00
5.4.30.0070.03312.00
5.4.20.0040.03611.99
5.4.10.0050.03412.00
5.4.00.0070.03411.49
5.3.290.0070.04112.80
5.3.280.0080.03512.71
5.3.270.0100.03512.72
5.3.260.0080.03812.72
5.3.250.0040.03912.72
5.3.240.0070.03712.72
5.3.230.0050.03812.71
5.3.220.0060.03612.68
5.3.210.0060.03812.68
5.3.200.0080.03412.68
5.3.190.0080.03412.68
5.3.180.0060.03612.67
5.3.170.0080.03412.67
5.3.160.0060.03512.68
5.3.150.0030.04012.67
5.3.140.0070.03412.66
5.3.130.0040.04012.66
5.3.120.0050.03912.66
5.3.110.0070.03712.66
5.3.100.0070.03512.12
5.3.90.0060.03512.09
5.3.80.0030.03812.07
5.3.70.0020.04112.07
5.3.60.0040.03812.07
5.3.50.0080.03812.00
5.3.40.0110.03112.00
5.3.30.0070.03311.95
5.3.20.0040.03611.73
5.3.10.0080.03211.70
5.3.00.0070.03511.68
5.2.170.0060.0289.18
5.2.160.0020.0319.18
5.2.150.0050.0449.18
5.2.140.0040.0319.18
5.2.130.0030.0309.14
5.2.120.0020.0319.14
5.2.110.0050.0289.14
5.2.100.0050.0279.14
5.2.90.0050.0289.14
5.2.80.0040.0319.13
5.2.70.0040.0309.14
5.2.60.0080.0269.09
5.2.50.0030.0319.05
5.2.40.0050.0289.03
5.2.30.0040.0299.02
5.2.20.0060.0269.00
5.2.10.0050.0278.92
5.2.00.0060.0278.79
5.1.60.0020.0268.07
5.1.50.0040.0248.06
5.1.40.0050.0228.05
5.1.30.0030.0268.39
5.1.20.0030.0278.41
5.1.10.0050.0248.14
5.1.00.0050.0258.14
5.0.50.0060.0186.63
5.0.40.0030.0196.48
5.0.30.0030.0316.29
5.0.20.0040.0196.27
5.0.10.0050.0186.24
5.0.00.0020.0316.23
4.4.90.0030.0204.78
4.4.80.0020.0224.75
4.4.70.0020.0164.75
4.4.60.0000.0184.75
4.4.50.0050.0154.77
4.4.40.0010.0274.71
4.4.30.0030.0154.76
4.4.20.0050.0184.84
4.4.10.0010.0184.84
4.4.00.0010.0274.75
4.3.110.0020.0164.66
4.3.100.0050.0124.67
4.3.90.0010.0164.64
4.3.80.0060.0234.58
4.3.70.0010.0154.63
4.3.60.0020.0144.63
4.3.50.0020.0164.63
4.3.40.0020.0244.54
4.3.30.0020.0153.29
4.3.20.0010.0163.26
4.3.10.0020.0153.22
4.3.00.0070.01315.68

preferences:
39.94 ms | 401 KiB | 5 Q