3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = new RecursiveArrayIterator([['test2', 'test3']]); $regex = new RecursiveRegexIterator($arr, '/^test/', 7, 1, 2); $child = $regex->getChildren(); var_dump(get_class($child), $child->getMode(), $child->getFlags(), $child->getPregFlags());

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)
8.3.60.0110.00318.31
8.3.50.0080.01221.94
8.3.40.0070.00718.76
8.3.30.0140.00019.12
8.3.20.0080.00020.30
8.3.10.0090.00020.52
8.3.00.0080.00019.26
8.2.180.0140.00716.75
8.2.170.0040.01822.96
8.2.160.0090.00920.39
8.2.150.0090.00024.18
8.2.140.0050.00224.66
8.2.130.0040.00426.16
8.2.120.0050.00322.27
8.2.110.0040.00421.05
8.2.100.0000.01117.91
8.2.90.0030.00618.92
8.2.80.0040.00417.97
8.2.70.0000.00917.63
8.2.60.0050.00317.68
8.2.50.0040.00418.10
8.2.40.0040.00420.47
8.2.30.0000.00818.07
8.2.20.0000.00817.68
8.2.10.0040.00418.00
8.2.00.0040.00417.56
8.1.280.0100.01025.92
8.1.270.0030.00623.96
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0070.00322.05
8.1.230.0090.00317.77
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0050.00317.35
8.1.180.0040.00418.10
8.1.170.0060.00318.67
8.1.160.0040.00422.13
8.1.150.0070.00018.81
8.1.140.0000.00717.39
8.1.130.0000.00717.77
8.1.120.0030.00417.46
8.1.110.0000.00717.32
8.1.100.0040.00417.35
8.1.90.0040.00417.30
8.1.80.0040.00417.42
8.1.70.0070.00017.34
8.1.60.0040.00417.35
8.1.50.0040.00417.50
8.1.40.0030.00517.57
8.1.30.0040.00417.49
8.1.20.0000.00817.70
8.1.10.0040.00417.57
8.1.00.0040.00417.51
8.0.300.0000.00918.77
8.0.290.0040.00416.63
8.0.280.0050.00218.44
8.0.270.0030.00317.19
8.0.260.0060.00017.16
8.0.250.0030.00316.93
8.0.240.0030.00316.85
8.0.230.0000.00716.86
8.0.220.0040.00416.88
8.0.210.0060.00016.83
8.0.200.0060.00016.85
8.0.190.0020.00516.98
8.0.180.0000.00716.96
8.0.170.0050.00316.95
8.0.160.0070.00017.03
8.0.150.0070.00016.84
8.0.140.0030.00516.91
8.0.130.0030.00313.29
8.0.120.0000.00816.87
8.0.110.0000.00716.80
8.0.100.0050.00316.89
8.0.90.0040.00416.96
8.0.80.0060.00916.89
8.0.70.0040.00416.70
8.0.60.0000.00716.75
8.0.50.0000.00816.95
8.0.30.0130.00617.04
8.0.20.0090.01117.40
8.0.10.0000.00816.89
8.0.00.0090.00916.62
7.4.330.0000.00515.14
7.4.320.0000.00816.54
7.4.300.0000.00616.62
7.4.290.0050.00216.49
7.4.280.0070.00016.56
7.4.270.0070.00016.52
7.4.260.0050.00216.50
7.4.250.0080.00016.47
7.4.240.0040.00416.55
7.4.230.0040.00416.60
7.4.220.0000.01816.67
7.4.210.0070.00716.60
7.4.200.0030.00316.70
7.4.160.0030.01316.57
7.4.150.0110.00717.40
7.4.140.0080.01117.86
7.4.130.0090.01116.59
7.4.120.0110.00816.38
7.4.110.0000.01616.45
7.4.100.0040.01416.61
7.4.90.0130.00716.54
7.4.80.0070.01016.30
7.4.70.0100.00616.55
7.4.60.0110.00616.50
7.4.50.0000.00816.46
7.4.40.0070.01016.57
7.4.30.0000.01516.46
7.4.00.0090.00714.86
7.3.330.0030.00313.16
7.3.320.0000.00513.10
7.3.310.0000.00716.38
7.3.300.0040.00416.16
7.3.290.0070.00716.26
7.3.280.0100.00716.27
7.3.270.0060.01417.40
7.3.260.0080.00916.18
7.3.250.0110.00916.30
7.3.240.0070.01016.32
7.3.230.0070.01016.45
7.3.210.0100.00716.20
7.3.200.0210.00019.39
7.3.190.0100.00716.18
7.3.180.0090.00916.37
7.3.170.0100.00616.28
7.3.160.0000.01616.55
7.3.120.0070.01014.98
7.3.110.0080.00814.44
7.3.100.0060.00615.07
7.3.90.0070.00714.75
7.3.80.0090.00014.93
7.3.70.0060.00614.65
7.3.60.0040.01214.90
7.3.50.0080.00514.92
7.3.40.0040.00814.54
7.3.30.0030.01014.64
7.3.20.0130.00016.59
7.3.10.0070.00716.52
7.3.00.0040.01116.55
7.2.330.0100.00716.54
7.2.320.0100.00716.70
7.2.310.0040.01416.65
7.2.300.0070.01016.51
7.2.290.0120.01516.64
7.2.250.0030.01515.21
7.2.240.0030.01715.09
7.2.230.0080.00615.27
7.2.220.0030.00814.80
7.2.210.0070.00715.08
7.2.200.0060.00315.08
7.2.190.0070.00714.85
7.2.180.0110.00415.19
7.2.170.0070.01114.90
7.2.130.0050.01016.76
7.2.120.0000.01316.56
7.2.110.0120.00416.87
7.2.100.0050.00516.75
7.2.90.0030.01016.90
7.2.80.0020.01016.95
7.2.70.0030.01116.71
7.2.60.0090.00416.80
7.2.50.0070.00916.84
7.2.40.0060.00616.95
7.2.30.0030.01016.72
7.2.20.0000.01416.86
7.2.10.0010.01016.70
7.2.00.0050.00817.56
7.1.330.0100.00615.46
7.1.320.0040.00815.82
7.1.310.0040.01115.76
7.1.300.0070.00715.69
7.1.290.0030.01015.47
7.1.280.0060.00315.66
7.1.270.0070.00315.75
7.1.260.0090.00615.55
7.1.250.0050.01015.54
7.1.200.0030.00715.57
7.1.100.0000.01218.00
7.1.70.0060.00917.02
7.1.60.0140.01119.32
7.1.50.0040.00716.51
7.1.00.0130.06722.33
7.0.200.0000.00716.57
7.0.140.0030.07321.92
7.0.60.0100.08319.91
7.0.50.0170.07017.83
7.0.40.0170.07719.96
7.0.30.0500.07320.20
7.0.20.0270.07720.00
7.0.10.0030.07020.16
7.0.00.0030.08720.11
5.6.280.0070.07020.86
5.6.210.0170.08020.76
5.6.200.0070.08318.21
5.6.190.0070.04020.49
5.6.180.3230.04320.45
5.6.170.0370.04020.57
5.6.160.0070.05320.57
5.6.150.0130.05318.23
5.6.140.0070.06718.27
5.6.130.0070.08318.18
5.6.120.0100.08021.11
5.6.110.0030.06021.13
5.6.100.0000.05321.02
5.6.90.0100.07320.95
5.6.80.0030.03720.35
5.6.70.3970.03720.39
5.5.350.0300.06720.38
5.5.340.0130.07717.95
5.5.330.0070.03720.34
5.5.320.0330.08720.25
5.5.310.0330.06320.43
5.5.300.0100.07717.93
5.5.290.0100.08018.04
5.5.280.0070.08320.98
5.5.270.0100.08020.67
5.5.260.0130.07720.89
5.5.250.0130.03020.70
5.5.240.0230.09320.34
5.4.450.0200.05719.16
5.4.440.1030.05719.46
5.4.430.0900.05019.58
5.4.420.0830.06019.35
5.4.410.0870.06019.50
5.4.400.0770.06019.16
5.4.390.0830.05019.14
5.4.380.0270.05718.75
5.4.370.0330.04718.69
5.4.360.0270.07318.63
5.4.350.0530.04318.61
5.4.340.0430.06318.59
5.4.320.0080.03412.50
5.4.310.0050.03812.50
5.4.300.0070.03512.50
5.4.290.0030.04012.50
5.4.280.0050.03612.39
5.4.270.0030.03912.39
5.4.260.0040.03812.39
5.4.250.0040.03812.39
5.4.240.0070.03912.39
5.4.230.0060.03712.39
5.4.220.0060.03512.38
5.4.210.0060.03512.39
5.4.200.0050.03712.38
5.4.190.0040.03812.38
5.4.180.0080.03312.38
5.4.170.0030.03812.39
5.4.160.0030.03912.39
5.4.150.0040.04012.38
5.4.140.0040.03712.07
5.4.130.0060.03512.05
5.4.120.0020.03912.02
5.4.110.0040.03712.01
5.4.100.0020.03812.01
5.4.90.0050.03712.01
5.4.80.0040.03712.02
5.4.70.0060.03412.00
5.4.60.0030.03712.01
5.4.50.0100.03112.01
5.4.40.0080.03212.00
5.4.30.0060.03511.99
5.4.20.0050.03611.99
5.4.10.0060.03512.00
5.4.00.0090.04411.49
5.3.290.0070.04112.80
5.3.280.0060.04312.71
5.3.270.0060.03912.72
5.3.260.0050.04012.72
5.3.250.0070.04312.72
5.3.240.0030.04012.72
5.3.230.0060.04912.71
5.3.220.0060.03712.68
5.3.210.0080.04112.68
5.3.200.0100.03212.68
5.3.190.0050.03812.68
5.3.180.0040.04012.67
5.3.170.0090.03612.67
5.3.160.0040.04012.68
5.3.150.0100.03412.67
5.3.140.0060.03612.66
5.3.130.0080.03812.66
5.3.120.0050.04212.66
5.3.110.0050.04112.66
5.3.100.0070.03712.12
5.3.90.0070.03512.08
5.3.80.0060.03512.08
5.3.70.0090.04112.07
5.3.60.0030.03812.07
5.3.50.0060.03512.00
5.3.40.0050.03612.00
5.3.30.0060.03411.95
5.3.20.0040.03611.73
5.3.10.0020.03911.70
5.3.00.0030.03911.68
5.2.170.0050.0349.18
5.2.160.0050.0389.18
5.2.150.0050.0419.18
5.2.140.0050.0359.18
5.2.130.0020.0309.14
5.2.120.0050.0289.14
5.2.110.0070.0269.14
5.2.100.0020.0309.14
5.2.90.0040.0289.14
5.2.80.0040.0299.14
5.2.70.0070.0279.14
5.2.60.0060.0289.09
5.2.50.0030.0319.06
5.2.40.0030.0309.04
5.2.30.0020.0319.02
5.2.20.0070.0329.00
5.2.10.0020.0318.93
5.2.00.0110.0328.79
5.1.60.0030.0248.07
5.1.50.0070.0218.06
5.1.40.0040.0248.05
5.1.30.0050.0258.39
5.1.20.0040.0298.41
5.1.10.0030.0298.14
5.1.00.0030.0268.14
5.0.50.0020.0216.62
5.0.40.0040.0186.48
5.0.30.0060.0286.29
5.0.20.0040.0206.27
5.0.10.0040.0196.24
5.0.00.0030.0356.23
4.4.90.0010.0184.78
4.4.80.0040.0134.76
4.4.70.0050.0134.76
4.4.60.0030.0154.75
4.4.50.0040.0144.77
4.4.40.0040.0234.71
4.4.30.0010.0194.76
4.4.20.0010.0174.84
4.4.10.0050.0134.85
4.4.00.0010.0264.76
4.3.110.0040.0144.67
4.3.100.0030.0144.67
4.3.90.0020.0154.63
4.3.80.0010.0254.59
4.3.70.0020.0164.63
4.3.60.0040.0144.63
4.3.50.0010.0174.63
4.3.40.0020.0254.53
4.3.30.0010.0173.29
4.3.20.0030.0143.26
4.3.10.0030.0143.22
4.3.00.0000.0276.87

preferences:
54.74 ms | 401 KiB | 5 Q