3v4l.org

run code in 300+ PHP versions simultaneously
<?php $rArrayIterator = new RecursiveArrayIterator(array('test1', array('test3', 'test4', 'test5'))); $rRegexIterator = new RecursiveRegexIterator($rArrayIterator, '/^test/', RecursiveRegexIterator::ALL_MATCHES); foreach ($rRegexIterator as $key1 => $value1) { var_dump($key1); var_dump($value1); if ($rRegexIterator->hasChildren()) { // print all children echo "Children: "; foreach ($rRegexIterator->getChildren() as $key => $value) { var_dump($value); } echo "\n"; } else { echo "No children\n"; } } ?>

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)
8.3.60.0140.00418.68
8.3.50.0100.01222.12
8.3.40.0090.00618.85
8.3.30.0150.00018.92
8.3.20.0090.00020.39
8.3.10.0030.00520.79
8.3.00.0000.00819.43
8.2.180.0070.00716.75
8.2.170.0070.00722.96
8.2.160.0070.00720.43
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00022.23
8.2.110.0060.00320.52
8.2.100.0060.00618.04
8.2.90.0000.00818.22
8.2.80.0000.00817.97
8.2.70.0050.00317.49
8.2.60.0030.00618.05
8.2.50.0030.00718.07
8.2.40.0040.00418.09
8.2.30.0050.00219.16
8.2.20.0000.00717.84
8.2.10.0040.00418.13
8.2.00.0040.00417.83
8.1.280.0170.00025.92
8.1.270.0030.00622.11
8.1.260.0000.00926.35
8.1.250.0040.00428.09
8.1.240.0050.00522.24
8.1.230.0090.00320.88
8.1.220.0040.00417.74
8.1.210.0080.00018.92
8.1.200.0060.00317.35
8.1.190.0080.00017.36
8.1.180.0000.00718.10
8.1.170.0090.00018.61
8.1.160.0040.00421.95
8.1.150.0040.00418.76
8.1.140.0000.00817.67
8.1.130.0030.00317.76
8.1.120.0000.00717.52
8.1.110.0040.00417.68
8.1.100.0000.00717.57
8.1.90.0030.00417.61
8.1.80.0040.00417.44
8.1.70.0000.00717.59
8.1.60.0040.00417.62
8.1.50.0050.00217.57
8.1.40.0040.00417.64
8.1.30.0000.00817.72
8.1.20.0000.00817.77
8.1.10.0040.00417.71
8.1.00.0080.00017.63
8.0.300.0070.00020.25
8.0.290.0000.00716.88
8.0.280.0040.00418.52
8.0.270.0030.00317.14
8.0.260.0070.00017.33
8.0.250.0070.00017.07
8.0.240.0070.00017.16
8.0.230.0000.00717.10
8.0.220.0040.00416.97
8.0.210.0000.00717.05
8.0.200.0030.00317.10
8.0.190.0000.00717.13
8.0.180.0000.00717.02
8.0.170.0040.00416.97
8.0.160.0040.00416.92
8.0.150.0030.00616.94
8.0.140.0000.00717.04
8.0.130.0060.00013.40
8.0.120.0030.00517.01
8.0.110.0040.00416.93
8.0.100.0040.00417.08
8.0.90.0050.00216.91
8.0.80.0090.01017.05
8.0.70.0040.00416.94
8.0.60.0000.00717.08
8.0.50.0000.00816.88
8.0.30.0150.00817.09
8.0.20.0090.01117.40
8.0.10.0030.00617.06
8.0.00.0110.00816.84
7.4.330.0060.00015.00
7.4.320.0030.00316.71
7.4.300.0030.00316.68
7.4.290.0080.00016.78
7.4.280.0000.00916.71
7.4.270.0050.00316.71
7.4.260.0070.00016.79
7.4.250.0000.00716.69
7.4.240.0020.00516.76
7.4.230.0030.00616.73
7.4.220.0080.01116.67
7.4.210.0070.01116.83
7.4.200.0080.00016.80
7.4.160.0070.01016.70
7.4.150.0090.01017.40
7.4.140.0140.00317.86
7.4.130.0140.00416.62
7.4.120.0070.01216.65
7.4.110.0050.02016.74
7.4.100.0110.00716.90
7.4.90.0140.00316.63
7.4.80.0130.00516.84
7.4.70.0060.01016.86
7.4.60.0060.01316.82
7.4.50.0040.00416.59
7.4.40.0090.00916.59
7.4.30.0120.00916.62
7.4.00.0040.01214.98
7.3.330.0050.00013.25
7.3.320.0000.00513.17
7.3.310.0000.00716.39
7.3.300.0000.00716.47
7.3.290.0100.01016.53
7.3.280.0050.01116.40
7.3.270.0070.01317.40
7.3.260.0030.01616.72
7.3.250.0150.00316.62
7.3.240.0140.00416.68
7.3.230.0030.01516.41
7.3.210.0070.01016.67
7.3.200.0060.01219.39
7.3.190.0030.01616.80
7.3.180.0080.00916.43
7.3.170.0080.00816.35
7.3.160.0100.00616.41
7.2.330.0060.01216.94
7.2.320.0080.01616.84
7.2.310.0080.01116.76
7.2.300.0100.01316.81
7.2.290.0120.00916.90
7.2.00.0040.01119.18
7.1.200.0090.00616.13
7.1.100.0000.01118.43
7.1.70.0000.00717.15
7.1.60.0100.01419.32
7.1.50.0060.01617.15
7.1.00.0100.06722.45
7.0.200.0000.00716.93
7.0.140.0030.07322.18
7.0.60.0100.06320.02
7.0.50.0170.03317.90
7.0.40.0070.04319.92
7.0.30.0270.04320.02
7.0.20.0330.07320.18
7.0.10.0000.07720.19
7.0.00.0030.09020.18
5.6.210.0170.07020.61
5.6.200.0000.09318.16
5.6.190.0030.09020.60
5.6.180.0370.03720.49
5.6.170.0330.07320.52
5.6.160.0070.08320.51
5.6.150.0070.08318.14
5.6.140.0030.07318.12
5.6.130.0070.04018.07
5.6.120.0230.07020.93
5.6.110.0070.04020.88
5.6.100.0100.06321.13
5.6.90.0030.08020.93
5.6.80.0030.06320.37
5.5.350.0130.03320.40
5.5.340.0130.05317.91
5.5.330.0200.06720.59
5.5.320.0400.04320.50
5.5.310.0200.04720.26
5.5.300.0000.09317.96
5.5.290.0070.08018.00
5.5.280.0070.04020.72
5.5.270.0070.05320.78
5.5.260.0070.08720.84
5.5.250.0100.08020.70
5.5.240.0200.07320.11
5.4.450.0100.07719.59
5.4.440.1030.05319.54
5.4.430.0970.06719.27
5.4.420.0900.05019.43
5.4.410.0770.05319.50
5.4.400.0870.05719.31
5.4.390.0930.05719.28
5.4.380.0300.05018.56
5.4.370.0430.07018.56
5.4.360.0370.04718.72
5.4.350.0370.06718.50
5.4.340.0470.04718.77
5.4.320.0050.03612.46
5.4.310.0060.03812.45
5.4.300.0040.03812.45
5.4.290.0060.04312.45
5.4.280.0060.03512.35
5.4.270.0050.03712.35
5.4.260.0090.03412.35
5.4.250.0050.03912.35
5.4.240.0110.03112.35
5.4.230.0070.03612.34
5.4.220.0060.03612.34
5.4.210.0050.03512.34
5.4.200.0040.03912.34
5.4.190.0060.03612.34
5.4.180.0040.03812.34
5.4.170.0030.03912.35
5.4.160.0040.03712.35
5.4.150.0040.03812.34
5.4.140.0060.03612.03
5.4.130.0020.03912.02
5.4.120.0040.03611.97
5.4.110.0070.03411.97
5.4.100.0050.03711.97
5.4.90.0080.03811.97
5.4.80.0080.03811.97
5.4.70.0070.03411.96
5.4.60.0080.03211.96
5.4.50.0070.03311.96
5.4.40.0070.03211.95
5.4.30.0040.03611.95
5.4.20.0060.03511.95
5.4.10.0060.03311.95
5.4.00.0060.03511.45
5.3.290.0070.03712.80
5.3.280.0080.03512.71
5.3.270.0060.03812.72
5.3.260.0070.03712.72
5.3.250.0030.04012.72
5.3.240.0050.03712.71
5.3.230.0060.03712.70
5.3.220.0070.03812.68
5.3.210.0050.04012.68
5.3.200.0050.04112.68
5.3.190.0030.03912.68
5.3.180.0100.03212.68
5.3.170.0060.03612.67
5.3.160.0040.03812.68
5.3.150.0090.03312.68
5.3.140.0030.03812.66
5.3.130.0050.04012.66
5.3.120.0050.04112.66
5.3.110.0090.03512.65
5.3.100.0050.03712.12
5.3.90.0050.03712.08
5.3.80.0080.03312.07
5.3.70.0060.03512.07
5.3.60.0040.03812.07
5.3.50.0070.03512.00
5.3.40.0050.03712.00
5.3.30.0050.03611.96
5.3.20.0060.03611.74
5.3.10.0040.03611.71
5.3.00.0070.03911.70
5.2.170.0050.0309.20
5.2.160.0040.0299.20
5.2.150.0020.0329.20
5.2.140.0030.0319.20
5.2.130.0050.0349.15
5.2.120.0060.0279.15
5.2.110.0030.0319.16
5.2.100.0070.0269.16
5.2.90.0040.0299.16
5.2.80.0070.0289.15
5.2.70.0070.0279.15
5.2.60.0040.0309.11
5.2.50.0070.0329.07
5.2.40.0050.0289.05
5.2.30.0030.0319.03
5.2.20.0050.0289.02
5.2.10.0060.0298.92
5.2.00.0020.0378.79
5.1.60.0060.0298.07
5.1.50.0030.0328.06
5.1.40.0050.0238.04
5.1.30.0070.0318.39
5.1.20.0060.0258.41
5.1.10.0020.0288.14
5.1.00.0080.0228.14
5.0.50.0050.0246.63
5.0.40.0030.0196.49
5.0.30.0040.0306.30
5.0.20.0040.0196.27
5.0.10.0030.0206.25
5.0.00.0030.0316.24
4.4.90.0010.0174.78
4.4.80.0040.0144.76
4.4.70.0030.0154.76
4.4.60.0040.0144.75
4.4.50.0040.0154.77
4.4.40.0040.0244.70
4.4.30.0020.0174.76
4.4.20.0020.0174.84
4.4.10.0040.0144.85
4.4.00.0010.0264.75
4.3.110.0010.0174.66
4.3.100.0020.0154.67
4.3.90.0030.0144.64
4.3.80.0010.0344.59
4.3.70.0020.0184.63
4.3.60.0060.0194.63
4.3.50.0030.0194.63
4.3.40.0040.0274.54
4.3.30.0050.0133.29
4.3.20.0040.0143.27
4.3.10.0010.0163.22
4.3.00.0070.0176.73

preferences:
46.48 ms | 400 KiB | 5 Q