3v4l.org

run code in 300+ PHP versions simultaneously
<?php $rArrayIterator = new RecursiveArrayIterator(array('test1', array('tet3', 'test4', 'test5'))); $rRegexIterator = new RegexIterator($rArrayIterator, '/^test/', RecursiveRegexIterator::ALL_MATCHES); foreach ($rRegexIterator as $key1 => $value1) { if ($rRegexIterator->hasChildren()) { // print all children echo "Children: "; foreach ($rRegexIterator->getChildren() as $key => $value) { echo $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)
8.3.60.0110.01118.31
8.3.50.0130.00718.10
8.3.40.0120.00318.93
8.3.30.0090.00619.00
8.3.20.0030.00520.16
8.3.10.0080.00020.64
8.3.00.0030.00819.51
8.2.180.0100.00716.63
8.2.170.0150.00622.96
8.2.160.0100.00320.27
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0070.00022.10
8.2.110.0040.00422.25
8.2.100.0040.00819.70
8.2.90.0060.00319.26
8.2.80.0030.00517.97
8.2.70.0040.00417.63
8.2.60.0000.00817.93
8.2.50.0060.00318.07
8.2.40.0000.00718.09
8.2.30.0000.00719.24
8.2.20.0050.00217.88
8.2.10.0040.00418.06
8.2.00.0030.00517.73
8.1.280.0070.00725.92
8.1.270.0000.00923.96
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0030.00623.87
8.1.230.0080.00419.10
8.1.220.0050.00317.80
8.1.210.0000.00918.77
8.1.200.0050.00917.34
8.1.190.0060.00317.35
8.1.180.0030.00518.10
8.1.170.0000.00918.75
8.1.160.0000.00721.96
8.1.150.0030.00318.90
8.1.140.0050.00317.55
8.1.130.0000.00717.75
8.1.120.0030.00517.63
8.1.110.0050.00217.41
8.1.100.0000.00717.57
8.1.90.0000.00717.62
8.1.80.0040.00417.55
8.1.70.0000.00717.54
8.1.60.0030.00617.73
8.1.50.0040.00417.68
8.1.40.0030.00917.57
8.1.30.0080.00017.82
8.1.20.0040.00417.79
8.1.10.0080.00017.73
8.1.00.0060.00317.55
8.0.300.0080.00018.77
8.0.290.0030.00616.88
8.0.280.0000.00718.40
8.0.270.0000.00717.13
8.0.260.0030.00317.29
8.0.250.0040.00417.08
8.0.240.0030.00317.11
8.0.230.0000.00716.95
8.0.220.0070.00016.96
8.0.210.0040.00417.02
8.0.200.0000.00616.99
8.0.190.0070.00016.96
8.0.180.0070.00017.05
8.0.170.0000.00717.04
8.0.160.0000.00717.15
8.0.150.0000.00716.97
8.0.140.0030.00317.01
8.0.130.0000.00613.41
8.0.120.0050.00316.86
8.0.110.0040.00416.88
8.0.100.0000.00816.95
8.0.90.0040.00416.89
8.0.80.0040.01116.91
8.0.70.0000.00717.07
8.0.60.0040.00416.93
8.0.50.0040.00417.08
8.0.30.0030.01517.14
8.0.20.0180.00417.41
8.0.10.0030.00516.96
8.0.00.0100.01016.86
7.4.330.0000.00615.00
7.4.320.0000.00716.59
7.4.300.0060.00016.74
7.4.290.0030.00316.71
7.4.280.0000.00816.82
7.4.270.0030.00316.82
7.4.260.0000.00716.78
7.4.250.0000.00716.66
7.4.240.0060.00316.78
7.4.230.0040.00416.61
7.4.220.0070.01316.83
7.4.210.0040.01116.89
7.4.200.0050.00216.68
7.4.160.0100.00716.50
7.4.150.0070.01017.40
7.4.140.0120.00617.86
7.4.130.0100.00616.51
7.4.120.0110.01016.54
7.4.110.0150.00616.48
7.4.100.0080.00816.46
7.4.90.0100.00716.80
7.4.80.0130.01016.48
7.4.70.0070.01016.59
7.4.60.0090.00916.65
7.4.50.0000.00816.58
7.4.40.0100.00616.79
7.4.30.0030.01316.58
7.4.00.0070.01014.99
7.3.330.0060.00013.38
7.3.320.0030.00313.34
7.3.310.0030.00316.47
7.3.300.0040.00416.44
7.3.290.0000.01416.45
7.3.280.0050.01216.40
7.3.270.0170.00317.40
7.3.260.0170.00616.46
7.3.250.0090.01116.60
7.3.240.0090.01616.46
7.3.230.0000.01516.63
7.3.210.0160.00916.82
7.3.200.0030.01619.39
7.3.190.0170.00416.53
7.3.180.0100.00616.43
7.3.170.0090.00916.37
7.3.160.0090.01216.66
7.3.120.0100.00815.05
7.3.110.0100.00515.01
7.3.100.0030.01114.96
7.3.90.0050.01014.83
7.3.80.0030.01015.04
7.3.70.0030.01014.91
7.3.60.0070.00514.97
7.3.50.0070.00114.86
7.3.40.0060.00715.03
7.3.30.0050.00514.96
7.3.20.0050.00716.58
7.3.10.0060.00916.86
7.3.00.0070.00516.72
7.2.330.0170.00916.92
7.2.320.0160.00516.93
7.2.310.0110.01216.73
7.2.300.0070.01316.69
7.2.290.0030.01516.84
7.2.250.0120.00615.23
7.2.240.0060.01215.28
7.2.230.0030.01115.14
7.2.220.0030.01115.12
7.2.210.0070.00715.20
7.2.200.0050.00715.05
7.2.190.0050.01015.29
7.2.180.0050.00915.16
7.2.170.0040.00915.20
7.2.80.0000.01016.91
7.2.60.0110.00716.96
7.2.50.0110.00316.90
7.1.330.0030.01315.55
7.1.320.0030.01115.83
7.1.310.0060.00816.01
7.1.300.0040.00615.83
7.1.290.0050.01015.88
7.1.280.0050.01016.06
7.1.270.0100.00315.92
7.1.260.0070.00716.01
7.1.200.0030.01015.74
7.1.100.0090.00918.18
7.1.70.0000.00817.43
7.1.60.0030.01919.32
7.1.50.0130.01317.23
7.1.00.0030.07722.55
7.0.200.0040.00416.77
7.0.140.0030.07722.00
7.0.60.0170.05720.00
7.0.50.0000.07717.82
7.0.40.0230.03720.00
7.0.30.0200.04320.23
7.0.20.0230.07720.18
7.0.10.0070.08720.03
7.0.00.0000.05720.30
5.6.280.0030.07320.90
5.6.210.0070.06720.44
5.6.200.0100.07718.16
5.6.190.0170.07320.32
5.6.180.0500.07020.49
5.6.170.0370.05320.50
5.6.160.0100.05020.49
5.6.150.0070.05718.18
5.6.140.0100.07718.18
5.6.130.0070.03718.20
5.6.120.0000.04720.84
5.6.110.0030.06720.86
5.6.100.0100.08021.11
5.6.90.0170.05020.92
5.6.80.0030.03720.28
5.5.350.0200.07320.41
5.5.340.0070.08017.91
5.5.330.0100.08720.40
5.5.320.0400.07020.30
5.5.310.0270.07020.30
5.5.300.0030.08717.95
5.5.290.0030.06017.95
5.5.280.0100.07720.97
5.5.270.0100.07020.83
5.5.260.0130.08020.77
5.5.250.0130.06320.48
5.5.240.0130.08020.19
5.4.450.0100.07719.25
5.4.440.0930.06019.42
5.4.430.0570.05719.47
5.4.420.0500.05319.47
5.4.410.0830.05019.31
5.4.400.0930.05319.12
5.4.390.0870.06319.13
5.4.380.0200.06018.66
5.4.370.0470.06318.65
5.4.360.0400.07018.63
5.4.350.0330.06318.77
5.4.340.0230.05718.46
5.4.320.0060.03712.46
5.4.310.0060.03812.45
5.4.300.0030.03812.46
5.4.290.0100.03212.45
5.4.280.0030.03712.35
5.4.270.0050.03712.35
5.4.260.0040.03812.35
5.4.250.0070.05212.35
5.4.240.0080.05012.35
5.4.230.0060.03912.34
5.4.220.0070.03412.34
5.4.210.0070.03312.34
5.4.200.0050.03712.34
5.4.190.0070.03912.34
5.4.180.0050.04012.34
5.4.170.0050.03612.35
5.4.160.0070.03312.35
5.4.150.0040.03712.34
5.4.140.0050.03712.03
5.4.130.0070.03312.02
5.4.120.0030.03711.97
5.4.110.0080.03911.96
5.4.100.0080.04611.97
5.4.90.0060.03611.97
5.4.80.0070.03511.97
5.4.70.0060.03311.96
5.4.60.0060.03311.96
5.4.50.0010.04011.96
5.4.40.0040.03611.95
5.4.30.0060.03511.95
5.4.20.0040.03611.95
5.4.10.0040.04011.95
5.4.00.0070.03411.44
5.3.290.0040.04012.80
5.3.280.0060.03712.71
5.3.270.0040.03912.73
5.3.260.0060.04912.72
5.3.250.0070.03512.72
5.3.240.0040.03812.72
5.3.230.0050.03712.71
5.3.220.0050.03612.68
5.3.210.0080.03612.68
5.3.200.0040.03812.68
5.3.190.0020.04112.68
5.3.180.0070.03512.67
5.3.170.0090.03312.67
5.3.160.0070.03712.67
5.3.150.0070.03612.67
5.3.140.0040.03912.66
5.3.130.0040.03912.66
5.3.120.0060.03912.66
5.3.110.0060.03812.66
5.3.100.0110.03112.12
5.3.90.0050.03912.08
5.3.80.0100.03312.07
5.3.70.0060.03612.08
5.3.60.0050.03612.06
5.3.50.0050.03612.00
5.3.40.0030.03812.00
5.3.30.0060.03411.96
5.3.20.0020.03811.73
5.3.10.0070.03211.71
5.3.00.0060.03511.69
5.2.170.0040.0319.20
5.2.160.0040.0309.19
5.2.150.0060.0439.20
5.2.140.0050.0319.19
5.2.130.0070.0269.15
5.2.120.0040.0289.15
5.2.110.0030.0329.16
5.2.100.0020.0319.15
5.2.90.0040.0299.16
5.2.80.0030.0319.15
5.2.70.0040.0349.15
5.2.60.0040.0309.11
5.2.50.0040.0319.07
5.2.40.0040.0309.05
5.2.30.0030.0309.03
5.2.20.0040.0289.02
5.2.10.0040.0278.92
5.2.00.0020.0338.79
5.1.60.0030.0248.07
5.1.50.0060.0228.07
5.1.40.0050.0238.05
5.1.30.0030.0268.40
5.1.20.0030.0278.42
5.1.10.0030.0268.14
5.1.00.0020.0308.14
5.0.50.0020.0216.63
5.0.40.0070.0206.49
5.0.30.0030.0306.30
5.0.20.0030.0196.27
5.0.10.0030.0226.25
5.0.00.0030.0306.25
4.4.90.0010.0174.78
4.4.80.0040.0144.75
4.4.70.0030.0154.75
4.4.60.0010.0174.76
4.4.50.0030.0144.77
4.4.40.0040.0234.71
4.4.30.0030.0174.76
4.4.20.0020.0214.84
4.4.10.0040.0154.85
4.4.00.0050.0284.76
4.3.110.0020.0164.67
4.3.100.0030.0144.66
4.3.90.0020.0154.63
4.3.80.0040.0264.59
4.3.70.0010.0154.63
4.3.60.0020.0164.63
4.3.50.0020.0164.63
4.3.40.0040.0284.54
4.3.30.0010.0163.28
4.3.20.0040.0143.27
4.3.10.0010.0173.22
4.3.00.0000.0236.78

preferences:
52.81 ms | 400 KiB | 5 Q