3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = new RecursiveArrayIterator([['test2', 'test3']]); $regex = new RecursiveRegexIterator($arr, '/^test/', RecursiveRegexIterator::ALL_MATCHES, 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)
8.3.60.0130.01018.43
8.3.50.0160.00522.01
8.3.40.0090.00918.76
8.3.30.0080.00618.92
8.3.20.0040.00420.29
8.3.10.0040.00420.52
8.3.00.0000.00819.25
8.2.180.0090.00618.64
8.2.170.0180.00422.96
8.2.160.0050.00819.13
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0090.00026.16
8.2.120.0040.00421.89
8.2.110.0040.00422.13
8.2.100.0080.00317.91
8.2.90.0030.00517.97
8.2.80.0030.00619.02
8.2.70.0040.00417.63
8.2.60.0050.00317.63
8.2.50.0090.00218.07
8.2.40.0080.00017.96
8.2.30.0070.00019.30
8.2.20.0030.00617.77
8.2.10.0040.00317.93
8.2.00.0050.00317.79
8.1.280.0090.00925.92
8.1.270.0040.00423.84
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0090.00021.97
8.1.230.0040.00820.93
8.1.220.0060.00317.74
8.1.210.0030.00518.80
8.1.200.0030.00517.35
8.1.190.0000.00817.23
8.1.180.0070.00018.10
8.1.170.0130.00318.22
8.1.160.0050.00321.93
8.1.150.0000.00818.71
8.1.140.0040.00417.49
8.1.130.0000.00717.77
8.1.120.0000.00717.51
8.1.110.0000.00717.55
8.1.100.0080.00017.47
8.1.90.0050.00317.42
8.1.80.0040.00417.59
8.1.70.0070.00017.43
8.1.60.0050.00317.66
8.1.50.0040.00417.61
8.1.40.0060.00317.52
8.1.30.0040.00417.71
8.1.20.0030.00517.63
8.1.10.0050.00217.73
8.1.00.0030.00617.66
8.0.300.0040.00420.08
8.0.290.0000.00716.75
8.0.280.0030.00318.39
8.0.270.0070.00017.22
8.0.260.0020.00517.24
8.0.250.0070.00016.91
8.0.240.0040.00417.03
8.0.230.0000.00716.97
8.0.220.0000.00616.93
8.0.210.0040.00416.85
8.0.200.0000.00617.06
8.0.190.0050.00217.02
8.0.180.0040.00417.04
8.0.170.0030.00517.05
8.0.160.0000.00717.03
8.0.150.0000.00716.89
8.0.140.0050.00216.81
8.0.130.0030.00313.39
8.0.120.0000.00816.91
8.0.110.0050.00316.95
8.0.100.0000.00816.92
8.0.90.0050.00216.95
8.0.80.0110.00416.92
8.0.70.0000.00717.01
8.0.60.0040.00417.02
8.0.50.0070.00016.86
8.0.30.0090.01317.14
8.0.20.0150.00617.40
8.0.10.0000.00817.13
8.0.00.0090.01117.08
7.4.330.0050.00015.11
7.4.320.0000.00616.65
7.4.300.0060.00016.69
7.4.290.0030.00316.63
7.4.280.0040.00416.74
7.4.270.0030.00316.66
7.4.260.0000.00616.71
7.4.250.0000.00716.59
7.4.240.0000.00716.66
7.4.230.0030.00316.59
7.4.220.0090.01216.75
7.4.210.0040.01416.64
7.4.200.0000.00716.58
7.4.160.0070.01016.71
7.4.150.0150.00317.40
7.4.140.0110.00717.86
7.4.130.0110.00916.64
7.4.120.0130.00316.69
7.4.110.0150.00616.51
7.4.100.0110.00516.43
7.4.90.0130.01316.90
7.4.80.0170.00316.78
7.4.70.0100.00716.61
7.4.60.0090.00616.61
7.4.50.0000.00916.64
7.4.40.0140.00316.68
7.4.30.0120.00316.70
7.4.00.0090.00914.95
7.3.330.0000.00613.23
7.3.320.0000.00513.08
7.3.310.0040.00416.39
7.3.300.0000.00716.30
7.3.290.0060.00916.34
7.3.280.0060.01116.42
7.3.270.0070.01417.40
7.3.260.0090.00916.41
7.3.250.0120.01116.57
7.3.240.0100.01016.35
7.3.230.0090.00616.84
7.3.210.0100.00616.66
7.3.200.0110.00819.39
7.3.190.0140.00716.36
7.3.180.0130.00616.39
7.3.170.0060.01016.66
7.3.160.0140.00316.47
7.3.120.0110.00714.82
7.3.110.0030.01314.82
7.3.100.0060.00914.77
7.3.90.0030.00915.16
7.3.80.0060.00915.21
7.3.70.0040.00814.94
7.3.60.0030.00614.86
7.3.50.0110.00015.03
7.3.40.0150.00015.00
7.3.30.0080.00514.99
7.3.20.0030.01116.91
7.3.10.0050.00916.63
7.3.00.0050.00816.62
7.2.330.0070.01116.64
7.2.320.0180.00016.69
7.2.310.0140.00516.53
7.2.300.0130.00416.59
7.2.290.0160.00716.59
7.2.250.0060.01215.27
7.2.240.0040.01215.09
7.2.230.0060.00914.87
7.2.220.0030.01315.12
7.2.210.0090.00315.20
7.2.200.0070.00714.85
7.2.190.0060.00915.20
7.2.180.0120.00014.96
7.2.170.0110.00615.05
7.2.160.0120.00314.73
7.2.150.0100.00316.66
7.2.140.0060.00616.75
7.2.130.0030.01016.89
7.2.120.0060.00816.90
7.2.110.0080.01016.69
7.2.100.0080.01016.84
7.2.90.0080.00716.88
7.2.80.0040.00816.72
7.2.70.0040.01316.97
7.2.60.0060.00516.89
7.2.50.0100.00616.99
7.2.40.0050.00716.72
7.2.30.0070.00616.82
7.2.20.0090.00716.92
7.2.10.0080.00616.72
7.2.00.0080.00417.79
7.1.330.0090.00615.99
7.1.320.0060.00915.92
7.1.310.0070.00415.91
7.1.300.0130.00015.88
7.1.290.0070.00716.03
7.1.280.0000.01415.93
7.1.270.0090.00615.60
7.1.260.0080.00415.90
7.1.250.0080.00315.72
7.1.240.0070.00715.95
7.1.230.0100.00316.05
7.1.220.0030.01016.06
7.1.210.0060.01115.66
7.1.200.0070.00715.66
7.1.190.0100.00715.96
7.1.180.0090.00915.95
7.1.170.0070.01116.00
7.1.160.0070.00715.82
7.1.150.0120.00016.01
7.1.140.0030.01315.71
7.1.130.0070.00715.91
7.1.120.0040.01115.85
7.1.110.0030.00615.85
7.1.100.0030.01016.92
7.1.90.0070.00715.98
7.1.80.0000.01416.00
7.1.70.0030.00716.65
7.1.60.0080.00917.57
7.1.50.0070.01416.54
7.1.40.0060.00616.01
7.1.30.0060.00815.93
7.1.20.0030.01216.00
7.1.10.0070.00715.82
7.1.00.0010.04319.19
7.0.330.0050.00515.58
7.0.320.0070.01115.34
7.0.310.0060.00315.34
7.0.300.0090.00915.40
7.0.290.0070.00715.39
7.0.280.0040.01115.34
7.0.270.0070.00315.56
7.0.260.0090.00315.51
7.0.250.0040.01215.46
7.0.240.0100.00315.36
7.0.230.0040.01115.37
7.0.220.0030.00715.75
7.0.210.0100.00315.36
7.0.200.0060.00516.05
7.0.190.0070.00315.54
7.0.180.0030.01015.44
7.0.170.0000.01015.60
7.0.160.0030.01015.66
7.0.150.0090.00315.27
7.0.140.0020.04218.89
7.0.130.0030.01215.64
7.0.120.0000.01515.48
7.0.110.0030.00715.62
7.0.100.0030.00615.41
7.0.90.0000.01515.66
7.0.80.0070.01015.18
7.0.70.0050.00515.29
7.0.60.0070.04017.56
7.0.50.0030.04616.70
7.0.40.0050.04316.70
7.0.30.0170.02016.87
7.0.20.0130.02816.88
7.0.10.0050.03316.91
7.0.00.0050.04816.92
5.6.400.0070.01114.79
5.6.390.0040.00714.33
5.6.380.0040.00814.40
5.6.370.0070.01014.29
5.6.360.0070.01314.59
5.6.350.0090.00314.47
5.6.340.0000.01714.62
5.6.330.0150.00014.15
5.6.320.0100.00714.44
5.6.310.0100.00314.55
5.6.300.0060.00814.60
5.6.290.0080.00614.04
5.6.280.0030.04317.77
5.6.270.0000.01214.23
5.6.260.0090.00314.53
5.6.250.0040.00814.44
5.6.240.0000.01514.28
5.6.230.0120.00414.54
5.6.220.0070.00414.24
5.6.210.0030.04217.64
5.6.200.0050.02716.31
5.6.190.0020.03017.41
5.6.180.0250.02917.43
5.6.170.0180.04517.37
5.6.160.0010.02617.47
5.6.150.0090.03416.38
5.6.140.0050.03816.22
5.6.130.0030.04516.26
5.6.120.0050.04417.46
5.6.110.0090.04417.79
5.6.100.0080.04717.80
5.6.90.0110.03817.77
5.6.80.0060.02817.30
5.6.70.0090.00614.18
5.6.60.0040.00414.42
5.6.50.0030.01014.14
5.6.40.0000.01514.43
5.6.30.0000.01414.23
5.6.20.0070.00714.30
5.6.10.0030.01014.29
5.6.00.0100.00314.29
5.5.380.0100.00714.45
5.5.370.0040.01214.16
5.5.360.0070.00714.36
5.5.350.0080.02317.43
5.5.340.0100.04016.16
5.5.330.0070.03017.35
5.5.320.0150.03017.15
5.5.310.0190.04017.38
5.5.300.0090.04016.29
5.5.290.0070.04016.19
5.5.280.0070.02817.54
5.5.270.0030.02517.74
5.5.260.0110.03717.46
5.5.250.0050.03217.52
5.5.240.0100.04417.23
5.5.230.0080.01214.11
5.5.220.0040.01514.34
5.5.210.0120.00014.08
5.5.200.0030.01014.36
5.5.190.0090.00614.26
5.5.180.0040.01114.11
5.5.170.0040.00714.23
5.5.160.0070.00714.14
5.5.150.0030.01214.08
5.5.140.0080.00414.07
5.5.130.0080.00414.34
5.5.120.0030.01014.39
5.5.110.0040.00714.20
5.5.100.0030.01014.33
5.5.90.0000.01714.32
5.5.80.0140.00014.30
5.5.70.0000.00814.20
5.5.60.0130.00314.35
5.5.50.0120.00314.23
5.5.40.0030.01014.41
5.5.30.0000.01414.38
5.5.20.0060.00614.46
5.5.10.0030.01014.05
5.5.00.0060.00914.21
5.4.450.0170.03515.92
5.4.440.0080.03215.97
5.4.430.0570.02515.98
5.4.420.0530.03015.88
5.4.410.0420.02915.86
5.4.400.0530.02815.87
5.4.390.0450.03215.89
5.4.380.0220.03215.51
5.4.370.0170.03015.56
5.4.360.0290.03315.59
5.4.350.0200.03115.62
5.4.340.0200.02815.62
5.4.330.0000.01112.52
5.4.320.0060.02412.49
5.4.310.0060.02612.49
5.4.300.0070.02212.49
5.4.290.0040.02612.48
5.4.280.0060.02212.44
5.4.270.0080.01912.43
5.4.260.0070.02812.44
5.4.250.0080.02012.43
5.4.240.0060.01912.44
5.4.230.0070.02112.43
5.4.220.0040.02212.43
5.4.210.0080.02012.43
5.4.200.0080.02212.43
5.4.190.0060.02312.43
5.4.180.0040.02612.43
5.4.170.0030.02612.43
5.4.160.0070.01712.43
5.4.150.0050.02312.43
5.4.140.0080.02212.27
5.4.130.0070.02112.27
5.4.120.0040.02312.25
5.4.110.0060.01912.24
5.4.100.0050.02412.24
5.4.90.0030.02312.24
5.4.80.0050.02212.24
5.4.70.0060.02012.24
5.4.60.0080.02312.24
5.4.50.0090.01612.24
5.4.40.0030.02312.24
5.4.30.0060.01812.23
5.4.20.0050.02312.24
5.4.10.0060.02112.24
5.4.00.0060.02511.98
5.3.290.0100.04612.80
5.3.280.0050.03812.71
5.3.270.0050.04012.73
5.3.260.0060.03812.71
5.3.250.0060.03712.71
5.3.240.0040.03912.72
5.3.230.0080.03612.70
5.3.220.0090.03612.68
5.3.210.0100.04412.68
5.3.200.0110.03912.68
5.3.190.0050.04912.68
5.3.180.0040.04212.67
5.3.170.0140.03812.67
5.3.160.0100.04112.67
5.3.150.0040.04012.67
5.3.140.0070.04712.66
5.3.130.0090.03912.66
5.3.120.0060.04012.66
5.3.110.0140.04412.66
5.3.100.0120.04512.12
5.3.90.0050.04412.08
5.3.80.0080.04512.07
5.3.70.0130.04412.07
5.3.60.0080.04212.06
5.3.50.0070.03512.00
5.3.40.0040.03812.00
5.3.30.0060.03911.95
5.3.20.0030.04011.73
5.3.10.0060.03711.70
5.3.00.0030.04111.68
5.2.170.0060.0319.18
5.2.160.0040.0349.18
5.2.150.0050.0349.18
5.2.140.0080.0419.18
5.2.130.0040.0439.14
5.2.120.0090.0419.14
5.2.110.0080.0309.14
5.2.100.0040.0339.14
5.2.90.0080.0279.14
5.2.80.0050.0349.14
5.2.70.0030.0339.14
5.2.60.0050.0299.09
5.2.50.0030.0319.06
5.2.40.0090.0259.03
5.2.30.0040.0299.01
5.2.20.0050.0289.00
5.2.10.0030.0308.92
5.2.00.0070.0288.79
5.1.60.0030.0248.06
5.1.50.0060.0238.06
5.1.40.0050.0248.05
5.1.30.0060.0248.40
5.1.20.0050.0268.42
5.1.10.0090.0238.14
5.1.00.0050.0248.14
5.0.50.0040.0206.62
5.0.40.0040.0196.48
5.0.30.0060.0306.29
5.0.20.0050.0196.26
5.0.10.0000.0286.24
5.0.00.0040.0376.23
4.4.90.0060.0194.78
4.4.80.0060.0304.76
4.4.70.0020.0214.75
4.4.60.0030.0204.75
4.4.50.0060.0204.77
4.4.40.0030.0264.71
4.4.30.0040.0144.76
4.4.20.0010.0174.85
4.4.10.0040.0234.85
4.4.00.0040.0244.76
4.3.110.0040.0174.67
4.3.100.0060.0194.66
4.3.90.0030.0154.63
4.3.80.0040.0244.58
4.3.70.0050.0204.63
4.3.60.0030.0224.63
4.3.50.0050.0204.63
4.3.40.0040.0284.54
4.3.30.0020.0223.29
4.3.20.0030.0213.27
4.3.10.0010.0193.22
4.3.00.0070.0206.86

preferences:
40.14 ms | 401 KiB | 5 Q