3v4l.org

run code in 300+ PHP versions simultaneously
<?php $myArray = array( "a", array( "a", "b", array( "a", "b", "c", array( "a", "b", "c", "d", array("the end") ) ) ) ); $recursive_array_iterator = new ArrayObject(new RecursiveArrayIterator($myArray)); iterator_apply(array($recursive_array_iterator), 'traverseRecursiveArray', array($recursive_array_iterator)); function traverseRecursiveArray($iterator) { while ($iterator->valid()) { if ($iterator->hasChildren()) { traverseRecursiveArray($iterator->getChildren()); } else { $iterator->offsetSet($iterator->key(), manipulate($iterator->current())); echo $iterator->key() . ' => ' . $iterator->current() . PHP_EOL; } $iterator->next(); } } function manipulate($string) { $string .= " appended"; return $string; } var_dump($myArray);

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)
8.3.60.0110.00718.30
8.3.50.0070.01321.99
8.3.40.0070.01118.84
8.3.30.0120.00319.04
8.3.20.0000.00820.39
8.3.10.0080.00021.90
8.3.00.0040.00417.80
8.2.180.0100.01016.63
8.2.170.0060.01522.96
8.2.160.0120.00320.47
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0040.00419.66
8.2.110.0060.00322.25
8.2.100.0090.00320.50
8.2.90.0080.00018.33
8.2.80.0030.00617.97
8.2.70.0040.00417.93
8.2.60.0090.00018.03
8.2.50.0040.00418.10
8.2.40.0040.00418.22
8.2.30.0000.00718.27
8.2.20.0000.00817.69
8.2.10.0000.00818.15
8.2.00.0030.00617.75
8.1.280.0060.01625.92
8.1.270.0090.00023.91
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0130.00724.02
8.1.230.0100.00719.18
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0030.00717.48
8.1.190.0050.00317.35
8.1.180.0030.00618.10
8.1.170.0060.00318.65
8.1.160.0000.00721.91
8.1.150.0000.00818.84
8.1.140.0000.00717.46
8.1.130.0000.00717.78
8.1.120.0030.00517.51
8.1.110.0000.00817.50
8.1.100.0050.00317.50
8.1.90.0000.00717.50
8.1.80.0040.00417.55
8.1.70.0030.00317.36
8.1.60.0060.00317.63
8.1.50.0000.00817.62
8.1.40.0040.00417.56
8.1.30.0030.00517.73
8.1.20.0090.00017.65
8.1.10.0000.00717.61
8.1.00.0080.00017.58
8.0.300.0040.00419.77
8.0.290.0060.00316.75
8.0.280.0030.00318.35
8.0.270.0080.00017.21
8.0.260.0070.00017.20
8.0.250.0030.00317.03
8.0.240.0030.00517.05
8.0.230.0000.00716.97
8.0.220.0030.00316.87
8.0.210.0070.00017.01
8.0.200.0030.00517.00
8.0.190.0040.00417.13
8.0.180.0040.00417.04
8.0.170.0030.00617.00
8.0.160.0040.00416.83
8.0.150.0100.00016.82
8.0.140.0000.00716.95
8.0.130.0040.00313.43
8.0.120.0030.00616.98
8.0.110.0040.00417.00
8.0.100.0040.00416.87
8.0.90.0040.00417.00
8.0.80.0040.01117.02
8.0.70.0030.00516.86
8.0.60.0000.00716.86
8.0.50.0000.00817.00
8.0.30.0100.01217.20
8.0.20.0090.00917.40
8.0.10.0050.00317.10
8.0.00.0040.01617.02
7.4.330.0050.00015.00
7.4.320.0030.00316.59
7.4.300.0030.00316.43
7.4.290.0030.00316.61
7.4.280.0030.00516.53
7.4.270.0040.00316.66
7.4.260.0050.00516.43
7.4.250.0000.00816.50
7.4.240.0020.00516.61
7.4.230.0030.00316.68
7.4.220.0140.00316.63
7.4.210.0080.00716.61
7.4.200.0070.00016.64
7.4.160.0000.01516.54
7.4.150.0070.01017.40
7.4.140.0050.01217.86
7.4.130.0060.01116.54
7.4.120.0050.01216.55
7.4.110.0110.00716.67
7.4.100.0030.01516.58
7.4.90.0110.00816.63
7.4.80.0100.01316.50
7.4.70.0130.00316.49
7.4.60.0060.01216.45
7.4.50.0060.00316.46
7.4.40.0040.01216.55
7.4.30.0130.00316.71
7.4.00.0100.00715.11
7.3.330.0000.00513.27
7.3.320.0050.00013.39
7.3.310.0000.00716.29
7.3.300.0000.00716.27
7.3.290.0110.00416.39
7.3.280.0100.01016.37
7.3.270.0140.00517.40
7.3.260.0130.00716.50
7.3.250.0150.00816.41
7.3.240.0160.00616.62
7.3.230.0090.01216.39
7.3.210.0140.00316.60
7.3.200.0130.00319.39
7.3.190.0120.00616.47
7.3.180.0090.01116.66
7.3.170.0030.01316.62
7.3.160.0110.00716.43
7.3.120.0000.01414.80
7.2.330.0140.00316.34
7.2.320.0090.00616.73
7.2.310.0080.00816.81
7.2.300.0070.01116.78
7.2.290.0040.01216.48
7.2.60.0100.00316.86
7.2.00.0000.01119.52
7.1.200.0090.00015.72
7.1.100.0130.00318.00
7.1.70.0030.01016.97
7.1.60.0100.01319.70
7.1.50.0000.02116.88
7.1.00.0030.07722.28
7.0.200.0030.00316.91
7.0.140.0070.07022.15
7.0.60.0100.08719.90
7.0.50.0100.04717.97
7.0.40.0070.08020.16
7.0.30.0430.06020.45
7.0.20.0300.06320.33
7.0.10.0170.04020.30
7.0.00.0100.07320.22
5.6.210.0030.08320.52
5.6.200.0000.04318.19
5.6.190.0130.08320.43
5.6.180.0100.07720.59
5.6.170.0270.04020.51
5.6.160.0000.04320.47
5.6.150.0100.07718.19
5.6.140.0070.07318.23
5.6.130.0030.05318.12
5.6.120.0130.07321.00
5.6.110.0070.07021.02
5.6.100.0030.06021.14
5.6.90.0100.06021.13
5.6.80.0070.03720.52
5.5.350.0300.07320.34
5.5.340.0070.07718.07
5.5.330.0070.06320.45
5.5.320.0130.06320.19
5.5.310.0330.07320.27
5.5.300.0130.04317.99
5.5.290.0070.05018.01
5.5.280.0030.07020.70
5.5.270.0170.08020.85
5.5.260.0030.07020.81
5.5.250.0070.07720.59
5.5.240.0130.03720.08
5.4.450.0370.06019.70
5.4.440.0530.06019.17
5.4.430.0870.06719.32
5.4.420.0800.06319.29
5.4.410.0130.05318.87
5.4.400.0170.06718.73
5.4.390.0300.05718.50
5.4.380.0130.06318.73
5.4.370.0130.03018.52
5.4.360.0030.04018.83
5.4.350.0090.03212.02
5.4.340.0070.03612.02
5.4.320.0040.03912.51
5.4.310.0070.03912.50
5.4.300.0050.03912.51
5.4.290.0050.04112.50
5.4.280.0060.03812.41
5.4.270.0070.03612.40
5.4.260.0060.03912.40
5.4.250.0050.04012.41
5.4.240.0070.03912.41
5.4.230.0060.04112.40
5.4.220.0030.03912.39
5.4.210.0110.03112.40
5.4.200.0090.03512.39
5.4.190.0090.03312.39
5.4.180.0080.03612.39
5.4.170.0080.03412.40
5.4.160.0060.03612.39
5.4.150.0060.03712.39
5.4.140.0100.03312.07
5.4.130.0090.03312.06
5.4.120.0060.03512.02
5.4.110.0060.03612.02
5.4.100.0070.03412.02
5.4.90.0060.03612.02
5.4.80.0080.03712.02
5.4.70.0040.03612.01
5.4.60.0070.03212.01
5.4.50.0080.03412.02
5.4.40.0070.03512.00
5.4.30.0070.03512.00
5.4.20.0060.03712.00
5.4.10.0050.03712.00
5.4.00.0050.03811.49
5.3.290.0060.03912.80
5.3.280.0060.04012.70
5.3.270.0060.04012.73
5.3.260.0070.03912.72
5.3.250.0060.03712.72
5.3.240.0070.03712.72
5.3.230.0020.04212.71
5.3.220.0050.03912.68
5.3.210.0050.04012.68
5.3.200.0050.03812.68
5.3.190.0050.03812.68
5.3.180.0070.03512.67
5.3.170.0070.03612.67
5.3.160.0050.03812.67
5.3.150.0050.03812.67
5.3.140.0050.03812.66
5.3.130.0050.04012.66
5.3.120.0050.04012.66
5.3.110.0090.03612.66
5.3.100.0050.03712.13
5.3.90.0080.03512.11
5.3.80.0050.03912.10
5.3.70.0060.03812.10
5.3.60.0060.03612.09
5.3.50.0040.03912.03
5.3.40.0080.04912.04
5.3.30.0070.03412.00
5.3.20.0070.03411.77
5.3.10.0070.03511.74
5.3.00.0090.03411.72
5.2.170.0070.0379.23
5.2.160.0060.0299.23
5.2.150.0090.0289.23
5.2.140.0050.0309.23
5.2.130.0070.0279.19
5.2.120.0060.0269.18
5.2.110.0050.0289.19
5.2.100.0070.0279.19
5.2.90.0070.0279.20
5.2.80.0070.0309.18
5.2.70.0090.0319.18
5.2.60.0070.0319.14
5.2.50.0040.0309.11
5.2.40.0100.0249.09
5.2.30.0030.0319.06
5.2.20.0040.0299.04
5.2.10.0030.0308.95
5.2.00.0050.0288.82
5.1.60.0070.0218.11
5.1.50.0050.0248.10
5.1.40.0050.0238.08
5.1.30.0030.0278.43
5.1.20.0030.0288.45
5.1.10.0020.0288.17
5.1.00.0050.0258.17
5.0.50.0050.0196.65
5.0.40.0050.0196.51
5.0.30.0020.0326.32
5.0.20.0040.0186.29
5.0.10.0030.0196.27
5.0.00.0020.0316.27
4.4.90.0020.0164.78
4.4.80.0010.0174.75
4.4.70.0000.0194.75
4.4.60.0030.0154.75
4.4.50.0040.0184.77
4.4.40.0030.0304.71
4.4.30.0030.0164.76
4.4.20.0060.0194.85
4.4.10.0050.0164.85
4.4.00.0070.0224.76
4.3.110.0020.0174.67
4.3.100.0030.0144.66
4.3.90.0040.0134.63
4.3.80.0010.0264.58
4.3.70.0030.0154.63
4.3.60.0020.0154.63
4.3.50.0030.0154.63
4.3.40.0040.0234.54
4.3.30.0040.0143.31
4.3.20.0030.0153.29
4.3.10.0020.0163.24
4.3.00.0130.0177.57

preferences:
37.43 ms | 401 KiB | 5 Q