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") ) ) ) ); $recursive_array_iterator = new RecursiveArrayIterator($myArray); iterator_apply($recursive_array_iterator, 'traverseRecursiveArray', array($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 $string; } var_dump(iterator_to_array($recursive_array_iterator, true));

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)
8.3.60.0070.00718.15
8.3.50.0090.01221.99
8.3.40.0120.00318.70
8.3.30.0100.01019.25
8.3.20.0040.00420.36
8.3.10.0030.00521.76
8.3.00.0060.00317.93
8.2.180.0070.01016.75
8.2.170.0100.01022.96
8.2.160.0110.00320.56
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0080.00026.16
8.2.120.0050.00320.90
8.2.110.0030.00622.13
8.2.100.0060.00618.16
8.2.90.0080.00019.24
8.2.80.0050.00517.97
8.2.70.0050.00317.38
8.2.60.0000.00818.04
8.2.50.0040.00418.07
8.2.40.0060.00318.22
8.2.30.0040.00418.26
8.2.20.0030.00517.85
8.2.10.0090.00018.06
8.2.00.0000.01017.72
8.1.280.0110.00425.92
8.1.270.0070.01023.79
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00622.21
8.1.230.0110.00019.08
8.1.220.0030.00617.79
8.1.210.0000.00818.77
8.1.200.0060.00317.38
8.1.190.0080.00017.35
8.1.180.0050.00318.10
8.1.170.0060.00318.59
8.1.160.0000.00721.96
8.1.150.0040.00418.92
8.1.140.0000.00817.48
8.1.130.0000.00717.77
8.1.120.0040.00417.51
8.1.110.0030.00517.54
8.1.100.0000.00717.50
8.1.90.0040.00417.54
8.1.80.0000.00717.51
8.1.70.0030.00317.49
8.1.60.0000.00917.57
8.1.50.0050.00317.48
8.1.40.0070.00017.56
8.1.30.0030.00617.59
8.1.20.0030.00617.60
8.1.10.0000.00917.70
8.1.00.0000.00817.49
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0070.00018.48
8.0.270.0000.00717.14
8.0.260.0000.00617.34
8.0.250.0030.00316.90
8.0.240.0000.00716.96
8.0.230.0030.00316.95
8.0.220.0070.00016.84
8.0.210.0030.00316.97
8.0.200.0040.00417.03
8.0.190.0050.00216.96
8.0.180.0040.00416.96
8.0.170.0000.00716.93
8.0.160.0080.00016.98
8.0.150.0040.00316.89
8.0.140.0040.00416.79
8.0.130.0090.00013.29
8.0.120.0050.00316.93
8.0.110.0000.00716.77
8.0.100.0020.00516.72
8.0.90.0040.00416.87
8.0.80.0090.00616.81
8.0.70.0000.00716.88
8.0.60.0040.00416.81
8.0.50.0000.00716.79
8.0.30.0060.01517.10
8.0.20.0110.01017.42
8.0.10.0000.00717.12
8.0.00.0130.00616.82
7.4.330.0030.00315.10
7.4.320.0040.00416.55
7.4.300.0030.00316.64
7.4.290.0030.00316.63
7.4.280.0050.00316.54
7.4.270.0080.00016.65
7.4.260.0080.00316.48
7.4.250.0050.00216.59
7.4.240.0040.00416.65
7.4.230.0000.00816.44
7.4.220.0160.00316.66
7.4.210.0070.00716.58
7.4.200.0050.00216.61
7.4.160.0080.00816.38
7.4.150.0050.01417.40
7.4.140.0150.00417.86
7.4.130.0100.00816.54
7.4.120.0080.00916.54
7.4.110.0210.00316.60
7.4.100.0120.00616.61
7.4.90.0100.00716.61
7.4.80.0130.00919.39
7.4.70.0100.00716.52
7.4.60.0060.01316.52
7.4.50.0030.00316.35
7.4.40.0120.00616.72
7.4.30.0060.01216.48
7.4.00.0030.01214.88
7.3.330.0050.00013.30
7.3.320.0020.00213.38
7.3.310.0000.00816.44
7.3.300.0000.00716.21
7.3.290.0130.00316.35
7.3.280.0110.00716.36
7.3.270.0060.01317.40
7.3.260.0160.00416.53
7.3.250.0140.00516.47
7.3.240.0030.01516.43
7.3.230.0110.01016.41
7.3.210.0150.02516.58
7.3.200.0060.01619.39
7.3.190.0000.01716.38
7.3.180.0130.00816.42
7.3.170.0100.00716.63
7.3.160.0040.01816.41
7.3.120.0000.01515.02
7.2.330.0100.00716.86
7.2.320.0090.00916.83
7.2.310.0120.00616.45
7.2.300.0130.00316.82
7.2.290.0040.01616.71
7.2.60.0060.00616.79
7.2.50.0040.01116.92
7.1.200.0060.00615.98
7.1.70.0040.00717.17
7.1.60.0170.00719.70
7.1.50.0070.01716.70
7.1.00.0030.07722.45
7.0.200.0000.01116.86
7.0.140.0030.07322.15
7.0.60.0100.07719.88
7.0.50.0070.04317.84
7.0.40.0100.06320.14
7.0.30.0230.05720.24
7.0.20.0230.05320.12
7.0.10.0070.06720.13
7.0.00.0070.04720.10
5.6.280.0130.06320.79
5.6.210.0070.07020.52
5.6.200.0030.04718.19
5.6.190.0130.07720.47
5.6.180.0130.04720.42
5.6.170.0400.06320.48
5.6.160.0200.07320.48
5.6.150.0030.04018.25
5.6.140.0130.03018.15
5.6.130.0100.06318.11
5.6.120.0070.04721.11
5.6.110.0030.04021.13
5.6.100.0100.08021.12
5.6.90.0170.05321.04
5.6.80.0070.03320.52
5.5.350.0270.05720.50
5.5.340.0170.06717.95
5.5.330.0100.07720.43
5.5.320.0330.08020.34
5.5.310.0270.07320.21
5.5.300.0070.08017.97
5.5.290.0100.03318.01
5.5.280.0070.08320.67
5.5.270.0130.07320.97
5.5.260.0130.06020.90
5.5.250.0030.05320.59
5.5.240.0030.06320.27
5.4.450.0130.05719.48
5.4.440.0200.04719.47
5.4.430.0100.05719.32
5.4.420.0170.07719.32
5.4.410.0070.05719.05
5.4.400.0370.05318.77
5.4.390.0430.05318.57
5.4.380.0070.05318.62
5.4.370.0070.05318.71
5.4.360.0000.06018.52
5.4.350.0090.03512.03
5.4.340.0060.03612.02
5.4.320.0070.03612.51
5.4.310.0080.03812.51
5.4.300.0060.03912.51
5.4.290.0090.03512.50
5.4.280.0050.03712.40
5.4.270.0100.03312.41
5.4.260.0100.03512.41
5.4.250.0080.03712.41
5.4.240.0040.03812.41
5.4.230.0080.04012.40
5.4.220.0080.03812.39
5.4.210.0070.04112.40
5.4.200.0080.03912.40
5.4.190.0080.03912.40
5.4.180.0030.03912.40
5.4.170.0060.03812.40
5.4.160.0090.03512.39
5.4.150.0050.03812.39
5.4.140.0060.04112.08
5.4.130.0070.03712.06
5.4.120.0080.04112.03
5.4.110.0080.03512.02
5.4.100.0070.03712.02
5.4.90.0090.03612.02
5.4.80.0060.04012.02
5.4.70.0050.04412.02
5.4.60.0050.03512.02
5.4.50.0080.03312.02
5.4.40.0070.03612.01
5.4.30.0020.04012.00
5.4.20.0040.03912.00
5.4.10.0070.04012.00
5.4.00.0010.04211.49
5.3.290.0050.04112.80
5.3.280.0050.04012.71
5.3.270.0110.04212.72
5.3.260.0060.04412.72
5.3.250.0050.03912.72
5.3.240.0080.03512.72
5.3.230.0090.03512.71
5.3.220.0120.03312.68
5.3.210.0070.04012.68
5.3.200.0030.04112.68
5.3.190.0070.03812.68
5.3.180.0090.03412.67
5.3.170.0060.03712.67
5.3.160.0060.03812.67
5.3.150.0060.03812.67
5.3.140.0040.03912.66
5.3.130.0070.03912.66
5.3.120.0100.03612.66
5.3.110.0090.04012.66
5.3.100.0060.03712.13
5.3.90.0070.03512.11
5.3.80.0050.03812.10
5.3.70.0080.03412.10
5.3.60.0080.04312.09
5.3.50.0060.03912.04
5.3.40.0080.03512.04
5.3.30.0060.03511.99
5.3.20.0060.03711.77
5.3.10.0050.03611.74
5.3.00.0020.04011.72
5.2.170.0080.0399.23
5.2.160.0020.0379.23
5.2.150.0040.0319.23
5.2.140.0070.0309.22
5.2.130.0030.0439.18
5.2.120.0080.0369.19
5.2.110.0030.0339.19
5.2.100.0050.0289.19
5.2.90.0070.0289.19
5.2.80.0090.0399.18
5.2.70.0060.0309.18
5.2.60.0080.0379.14
5.2.50.0080.0299.11
5.2.40.0050.0299.09
5.2.30.0070.0289.05
5.2.20.0040.0299.04
5.2.10.0070.0368.95
5.2.00.0030.0318.82
5.1.60.0030.0258.09
5.1.50.0030.0268.09
5.1.40.0050.0238.07
5.1.30.0020.0308.43
5.1.20.0040.0278.45
5.1.10.0060.0258.17
5.1.00.0060.0238.18
5.0.50.0040.0206.65
5.0.40.0030.0206.51
5.0.30.0050.0306.32
5.0.20.0020.0216.30
5.0.10.0020.0216.27
5.0.00.0050.0296.26
4.4.90.0020.0174.78
4.4.80.0010.0174.76
4.4.70.0020.0174.76
4.4.60.0020.0164.75
4.4.50.0020.0164.77
4.4.40.0030.0254.71
4.4.30.0000.0244.76
4.4.20.0050.0144.84
4.4.10.0050.0134.85
4.4.00.0030.0244.76
4.3.110.0030.0154.67
4.3.100.0020.0164.67
4.3.90.0050.0124.64
4.3.80.0030.0244.58
4.3.70.0030.0154.63
4.3.60.0030.0144.63
4.3.50.0040.0144.63
4.3.40.0040.0234.54
4.3.30.0020.0163.31
4.3.20.0010.0173.29
4.3.10.0020.0163.25
4.3.00.0070.0177.57

preferences:
44.94 ms | 401 KiB | 5 Q