3v4l.org

run code in 300+ PHP versions simultaneously
<?php $rArrayIterator = new RecursiveArrayIterator(array('test1', array('tet3', 'test4', 'test5'))); $rRegexIterator = new RecursiveRegexIterator($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)
8.3.60.0140.00018.56
8.3.50.0120.01022.13
8.3.40.0150.00018.98
8.3.30.0070.00719.09
8.3.20.0000.00820.30
8.3.10.0030.00520.65
8.3.00.0080.00019.53
8.2.180.0200.00016.88
8.2.170.0110.00419.04
8.2.160.0140.00722.96
8.2.150.0120.00325.66
8.2.140.0080.00024.66
8.2.130.0040.01126.16
8.2.120.0080.00022.06
8.2.110.0030.00620.47
8.2.100.0110.00017.84
8.2.90.0030.00619.05
8.2.80.0000.00817.97
8.2.70.0030.00517.75
8.2.60.0090.00018.05
8.2.50.0040.00418.07
8.2.40.0040.00418.06
8.2.30.0000.00819.17
8.2.20.0040.00417.69
8.2.10.0060.00318.02
8.2.00.0040.00417.87
8.1.280.0160.00625.92
8.1.270.0070.00022.13
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0050.00523.82
8.1.230.0120.00019.15
8.1.220.0030.00517.74
8.1.210.0090.00018.77
8.1.200.0040.00417.38
8.1.190.0030.00517.35
8.1.180.0080.00018.10
8.1.170.0030.00618.61
8.1.160.0040.00422.04
8.1.150.0000.00718.86
8.1.140.0040.00417.59
8.1.130.0040.00417.89
8.1.120.0000.00717.65
8.1.110.0000.00817.50
8.1.100.0000.00817.55
8.1.90.0030.00517.57
8.1.80.0000.00817.64
8.1.70.0030.00317.48
8.1.60.0000.00817.75
8.1.50.0000.00817.57
8.1.40.0040.00417.66
8.1.30.0040.00417.82
8.1.20.0040.00417.83
8.1.10.0030.00617.68
8.1.00.0030.00617.54
8.0.300.0040.00418.77
8.0.290.0050.00216.88
8.0.280.0030.00318.39
8.0.270.0000.00716.92
8.0.260.0030.00317.25
8.0.250.0000.00717.16
8.0.240.0000.00817.14
8.0.230.0000.00717.13
8.0.220.0000.00717.07
8.0.210.0030.00317.11
8.0.200.0000.00717.08
8.0.190.0000.00717.13
8.0.180.0000.00917.15
8.0.170.0070.00016.95
8.0.160.0040.00417.07
8.0.150.0050.00216.96
8.0.140.0060.00317.04
8.0.130.0000.00613.58
8.0.120.0000.00717.05
8.0.110.0000.00717.02
8.0.100.0030.00617.05
8.0.90.0000.00816.98
8.0.80.0100.00717.11
8.0.70.0000.00717.11
8.0.60.0000.00716.96
8.0.50.0080.00017.15
8.0.30.0060.01317.25
8.0.20.0090.01417.40
8.0.10.0040.00417.00
8.0.00.0110.00616.98
7.4.330.0020.00215.12
7.4.320.0030.00316.65
7.4.300.0000.00616.80
7.4.290.0030.00316.78
7.4.280.0040.00416.61
7.4.270.0030.00316.69
7.4.260.0030.00316.73
7.4.250.0080.00016.80
7.4.240.0000.00716.74
7.4.230.0030.00316.84
7.4.220.0100.00916.74
7.4.210.0070.00716.80
7.4.200.0000.00816.89
7.4.160.0120.00616.72
7.4.150.0060.01417.40
7.4.140.0040.01317.86
7.4.130.0100.00816.58
7.4.120.0150.00316.75
7.4.110.0110.00616.65
7.4.100.0070.01016.70
7.4.90.0070.01116.70
7.4.80.0060.01616.57
7.4.70.0070.01116.63
7.4.60.0110.00716.87
7.4.50.0000.00816.70
7.4.40.0060.01116.74
7.4.30.0090.00916.77
7.4.00.0090.00615.12
7.3.330.0030.00313.33
7.3.320.0000.00513.32
7.3.310.0030.00316.43
7.3.300.0030.00316.49
7.3.290.0090.00716.47
7.3.280.0100.00516.48
7.3.270.0140.00617.40
7.3.260.0110.00616.48
7.3.250.0110.00816.46
7.3.240.0170.00716.49
7.3.230.0090.00916.54
7.3.210.0060.01216.73
7.3.200.0180.00619.39
7.3.190.0070.01516.63
7.3.180.0130.00816.70
7.3.170.0140.00316.41
7.3.160.0090.00616.88
7.3.00.0000.01316.73
7.2.330.0110.01116.83
7.2.320.0050.01916.61
7.2.310.0140.00316.78
7.2.300.0100.00716.82
7.2.290.0000.01716.74
7.2.130.0000.01417.18
7.2.120.0090.00317.10
7.2.110.0030.01017.04
7.2.100.0060.00916.94
7.2.90.0130.00316.99
7.2.80.0110.00416.86
7.2.70.0000.01617.20
7.2.60.0070.00817.12
7.2.50.0030.00916.90
7.2.40.0000.01517.17
7.2.30.0000.01417.08
7.2.20.0000.01317.12
7.2.10.0030.01017.29
7.2.00.0060.00917.16
7.1.250.0070.00016.04
7.1.240.0000.01515.73
7.1.230.0060.01016.11
7.1.220.0030.00615.66
7.1.210.0030.01016.01
7.1.200.0050.00815.76
7.1.190.0080.00415.95
7.1.180.0030.01016.00
7.1.170.0060.00615.64
7.1.160.0040.00715.93
7.1.150.0060.00616.14
7.1.140.0060.00316.11
7.1.130.0080.00615.70
7.1.120.0130.00015.80
7.1.110.0040.01115.95
7.1.100.0100.00315.96
7.1.90.0030.00715.54
7.1.80.0100.00315.99
7.1.70.0030.00716.72
7.1.60.0090.01217.51
7.1.50.0080.00916.60
7.1.40.0030.01215.98
7.1.30.0060.00615.93
7.1.20.0100.00315.94
7.1.10.0070.00416.09
7.1.00.0030.04019.05
7.0.330.0070.00415.52
7.0.320.0060.00615.71
7.0.310.0040.00715.19
7.0.300.0050.00815.72
7.0.290.0070.00715.74
7.0.280.0040.00715.68
7.0.270.0000.01215.36
7.0.260.0000.01415.28
7.0.250.0040.01115.70
7.0.240.0070.00715.61
7.0.230.0110.00415.30
7.0.220.0000.01215.66
7.0.210.0070.00715.55
7.0.200.0050.00416.34
7.0.190.0110.00415.66
7.0.180.0090.00615.43
7.0.170.0070.00715.55
7.0.160.0050.00815.61
7.0.150.0000.01615.77
7.0.140.0100.03518.73
7.0.130.0030.01015.55
7.0.120.0030.00815.66
7.0.110.0030.01015.38
7.0.100.0110.00415.78
7.0.90.0090.00615.50
7.0.80.0030.01015.62
7.0.70.0030.01015.39
7.0.60.0120.04018.54
7.0.50.0130.04518.83
7.0.40.0110.04216.85
7.0.30.0110.04116.85
7.0.20.0190.03216.83
7.0.10.0070.05016.88
7.0.00.0160.03116.83
5.6.380.0060.00914.14
5.6.370.0060.00914.05
5.6.360.0040.00814.49
5.6.350.0140.00014.28
5.6.340.0040.00414.35
5.6.330.0040.00414.52
5.6.320.0030.01214.30
5.6.310.0040.00414.64
5.6.300.0030.00814.46
5.6.290.0030.01014.71
5.6.280.0090.03517.79
5.6.270.0000.01314.51
5.6.260.0030.00614.31
5.6.250.0060.00614.46
5.6.240.0070.00714.36
5.6.230.0030.00914.34
5.6.220.0040.00714.66
5.6.210.0140.03717.53
5.6.200.0070.03817.57
5.6.190.0170.03717.64
5.6.180.0100.04117.71
5.6.170.0150.04217.71
5.6.160.0100.03817.87
5.6.150.0080.03817.77
5.6.140.0130.04117.73
5.6.130.0150.03217.66
5.6.120.0120.04017.64
5.6.110.0120.04017.76
5.6.100.0120.03717.68
5.6.90.0080.02917.60
5.6.80.0130.03817.39
5.6.70.0100.04517.18
5.6.60.0130.03517.44
5.6.50.0130.03817.50
5.6.40.0070.02917.46
5.6.30.0140.03517.35
5.6.20.0100.03917.18
5.6.10.0150.03817.38
5.6.00.0110.04417.50
5.5.380.0060.00010.83
5.5.370.0000.00911.14
5.5.360.0070.00010.93
5.5.350.0170.03715.84
5.5.340.0120.02816.20
5.5.330.0090.04216.04
5.5.320.0100.04016.10
5.5.310.0160.03816.09
5.5.300.0150.03815.95
5.5.290.0110.04416.04
5.5.280.0160.03816.01
5.5.270.0100.03415.79
5.5.260.0100.04515.94
5.5.250.0100.03315.94
5.5.240.0130.03715.51
5.5.230.0110.04015.61
5.5.220.0070.04515.63
5.5.210.0090.02715.63
5.5.200.0150.04015.58
5.5.190.0110.04015.64
5.5.180.0110.03615.60
5.5.170.0030.00510.95
5.5.160.0130.03315.63
5.5.150.0150.03515.62
5.5.140.0100.04015.57
5.5.130.0080.02515.69
5.5.120.0100.03315.70
5.5.110.0130.03515.73
5.5.100.0150.03615.57
5.5.90.0120.03615.59
5.5.80.0100.04315.44
5.5.70.0130.03815.53
5.5.60.0120.03415.66
5.5.50.0120.03715.54
5.5.40.0080.04015.43
5.5.30.0120.03715.54
5.5.20.0130.03715.55
5.5.10.0140.03215.60
5.5.00.0080.04215.61
5.4.450.0120.02114.98
5.4.440.0110.03615.07
5.4.430.0080.04315.01
5.4.420.0140.03915.17
5.4.410.0130.03315.11
5.4.400.0140.03315.13
5.4.390.0120.04015.01
5.4.380.0150.03815.05
5.4.370.0110.04014.96
5.4.360.0100.03815.07
5.4.350.0160.02815.01
5.4.340.0120.02815.03
5.4.330.0040.00411.04
5.4.320.0160.03114.98
5.4.310.0160.03315.12
5.4.300.0130.03214.85
5.4.290.0170.04015.05
5.4.280.0120.03714.86
5.4.270.0120.04014.87
5.4.260.0110.03014.87
5.4.250.0150.03414.98
5.4.240.0120.02714.85
5.4.230.0070.03714.86
5.4.220.0130.03314.91
5.4.210.0140.04014.94
5.4.200.0140.03714.95
5.4.190.0140.03514.93
5.4.180.0070.03514.95
5.4.170.0140.03615.02
5.4.160.0110.02814.84
5.4.150.0120.03315.03
5.4.140.0100.03313.62
5.4.130.0130.03513.58
5.4.120.0120.03713.52
5.4.110.0110.03813.49
5.4.100.0070.03513.77
5.4.90.0080.04113.68
5.4.80.0150.03813.61
5.4.70.0110.03513.79
5.4.60.0100.02913.69
5.4.50.0070.03313.71
5.4.40.0100.03313.54
5.4.30.0080.03113.79
5.4.20.0130.03213.78
5.4.10.0120.03713.74
5.4.00.0100.03713.37
5.3.290.0120.03612.63
5.3.280.0120.03712.50
5.3.270.0130.03312.52
5.3.260.0070.04012.42
5.3.250.0120.03712.62
5.3.240.0080.03812.50
5.3.230.0080.04212.43
5.3.220.0100.04012.37
5.3.210.0080.03912.42
5.3.200.0110.03612.43
5.3.190.0130.03812.41
5.3.180.0020.04012.42
5.3.170.0070.03512.48
5.3.160.0080.03912.55
5.3.150.0100.03312.60
5.3.140.0100.03612.50
5.3.130.0130.03112.50
5.3.120.0080.03612.48
5.3.110.0180.03512.56
5.3.100.0080.03812.22
5.3.90.0100.04112.18
5.3.80.0140.03912.20
5.3.70.0060.04112.07
5.3.60.0130.03812.16
5.3.50.0130.03912.07
5.3.40.0080.03012.13
5.3.30.0080.03812.20
5.3.20.0050.04311.98
5.3.10.0080.03711.83
5.3.00.0100.03711.86
5.2.170.0120.02510.20
5.2.160.0100.02710.34
5.2.150.0070.03410.27
5.2.140.0030.02510.27
5.2.130.0090.02210.23
5.2.120.0100.02310.27
5.2.110.0070.03410.30
5.2.100.0080.02510.14
5.2.90.0100.03310.25
5.2.80.0100.03210.26
5.2.70.0080.03210.22
5.2.60.0090.03110.19
5.2.50.0100.02510.09
5.2.40.0060.02510.10
5.2.30.0070.0309.89
5.2.20.0070.0309.95
5.2.10.0090.0279.91
5.2.00.0120.0239.91
5.1.60.0080.0269.28
5.1.50.0050.0279.28
5.1.40.0070.0259.33
5.1.30.0060.0329.43
5.1.20.0100.0279.29
5.1.10.0050.0289.37
5.1.00.0060.0219.31
5.0.50.0020.0239.28
5.0.40.0010.0249.28
5.0.30.0050.0329.28
5.0.20.0050.0189.28
5.0.10.0050.0229.28
5.0.00.0020.0269.28
4.4.90.0010.0189.28
4.4.80.0000.0199.28
4.4.70.0000.0179.28
4.4.60.0020.0209.28
4.4.50.0000.0209.28
4.4.40.0020.0289.28
4.4.30.0030.0139.28
4.4.20.0030.0169.28
4.4.10.0030.0129.28
4.4.00.0020.0289.28
4.3.110.0020.0209.28
4.3.100.0030.0189.28
4.3.90.0020.0189.28
4.3.80.0000.0249.28
4.3.70.0020.0179.28
4.3.60.0000.0209.28
4.3.50.0030.0169.28
4.3.40.0020.0289.28
4.3.30.0040.0159.28
4.3.20.0000.0229.28
4.3.10.0030.0189.28
4.3.00.0070.0159.28

preferences:
50.24 ms | 401 KiB | 5 Q