3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = new RecursiveArrayIterator(['test1', ['test2', 'test3']]); $regex = new RecursiveRegexIterator($arr, '/^test/', RecursiveRegexIterator::ALL_MATCHES, 4, 4); $regex->next(); $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)
8.3.60.0090.00618.43
8.3.50.0120.01022.05
8.3.40.0090.00618.54
8.3.30.0140.00318.96
8.3.20.0040.00420.16
8.3.10.0090.00020.40
8.3.00.0000.00819.50
8.2.180.0120.00616.75
8.2.170.0100.01022.96
8.2.160.0140.00720.39
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00321.99
8.2.110.0070.00320.51
8.2.100.0030.00917.91
8.2.90.0040.00419.09
8.2.80.0050.00317.97
8.2.70.0050.00317.63
8.2.60.0040.00417.80
8.2.50.0100.00318.07
8.2.40.0000.00718.09
8.2.30.0040.00419.17
8.2.20.0030.00517.78
8.2.10.0070.00018.10
8.2.00.0030.00617.88
8.1.280.0120.00925.92
8.1.270.0000.00823.91
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00322.10
8.1.230.0000.01119.08
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0060.00317.47
8.1.190.0080.00017.35
8.1.180.0000.00818.10
8.1.170.0060.00618.55
8.1.160.0070.00022.05
8.1.150.0040.00418.91
8.1.140.0070.00017.46
8.1.130.0030.00317.91
8.1.120.0070.00017.64
8.1.110.0000.00817.45
8.1.100.0030.00517.54
8.1.90.0000.00817.57
8.1.80.0000.00817.54
8.1.70.0030.00317.52
8.1.60.0000.00917.57
8.1.50.0080.00017.65
8.1.40.0000.00717.65
8.1.30.0000.00817.75
8.1.20.0040.00417.71
8.1.10.0080.00017.66
8.1.00.0040.00417.74
8.0.300.0040.00418.77
8.0.290.0040.00416.88
8.0.280.0030.00318.50
8.0.270.0000.00717.23
8.0.260.0000.00617.10
8.0.250.0040.00416.92
8.0.240.0070.00017.05
8.0.230.0030.00317.05
8.0.220.0000.00716.98
8.0.210.0000.00716.87
8.0.200.0000.00716.94
8.0.190.0040.00416.96
8.0.180.0000.00716.89
8.0.170.0030.00516.96
8.0.160.0050.00216.93
8.0.150.0030.00316.82
8.0.140.0060.00316.85
8.0.130.0060.00013.45
8.0.120.0040.00416.99
8.0.110.0000.00816.96
8.0.100.0080.00017.03
8.0.90.0070.00017.05
8.0.80.0060.01016.97
8.0.70.0040.00417.05
8.0.60.0040.00417.05
8.0.50.0030.00516.99
8.0.30.0070.01317.19
8.0.20.0130.00617.40
8.0.10.0000.00717.09
8.0.00.0060.01416.76
7.4.330.0030.00315.10
7.4.320.0060.00016.74
7.4.300.0000.00616.64
7.4.290.0070.00016.68
7.4.280.0050.00516.76
7.4.270.0030.00316.63
7.4.260.0000.00816.64
7.4.250.0080.00016.64
7.4.240.0060.00216.65
7.4.230.0000.00716.48
7.4.220.0070.01116.71
7.4.210.0050.00816.72
7.4.200.0030.00316.85
7.4.160.0130.00316.65
7.4.150.0100.00717.40
7.4.140.0090.01117.86
7.4.130.0130.00816.69
7.4.120.0130.00616.68
7.4.110.0100.00716.45
7.4.100.0090.01216.78
7.4.90.0130.00616.57
7.4.80.0120.01216.57
7.4.70.0060.01216.64
7.4.60.0140.00316.62
7.4.50.0040.00416.28
7.4.40.0100.01016.71
7.4.30.0060.01116.67
7.4.00.0080.00814.91
7.3.330.0000.00513.23
7.3.320.0000.00513.34
7.3.310.0000.00716.23
7.3.300.0000.00716.29
7.3.290.0030.01116.36
7.3.280.0080.01116.32
7.3.270.0140.00417.40
7.3.260.0210.00316.36
7.3.250.0150.00616.47
7.3.240.0070.01016.34
7.3.230.0140.00316.63
7.3.210.0000.02116.61
7.3.200.0060.01219.39
7.3.190.0120.00616.72
7.3.180.0130.00316.57
7.3.170.0100.00716.73
7.3.160.0130.00316.39
7.3.00.0160.00716.11
7.2.330.0060.01216.72
7.2.320.0040.01516.61
7.2.310.0080.00916.59
7.2.300.0140.00316.65
7.2.290.0090.01316.51
7.2.130.0210.00716.24
7.2.120.0180.00516.20
7.2.110.0250.00816.33
7.2.100.0160.00816.17
7.2.90.0210.00916.42
7.2.80.0180.00616.20
7.2.70.0270.00816.30
7.2.60.0180.00716.39
7.2.50.0190.00716.33
7.2.40.0220.00616.27
7.2.30.0210.00316.17
7.2.20.0260.00616.14
7.2.10.0250.00716.26
7.2.00.0210.00517.09
7.1.250.0430.00515.34
7.1.240.0190.00815.14
7.1.230.0210.00615.12
7.1.220.0150.01015.14
7.1.210.0220.00715.18
7.1.200.0150.00615.29
7.1.190.0290.00515.11
7.1.180.0270.00815.20
7.1.170.0330.00814.93
7.1.160.0240.00915.05
7.1.150.0230.00615.15
7.1.140.0290.00715.16
7.1.130.0290.00615.17
7.1.120.0250.00615.10
7.1.110.0230.00715.06
7.1.100.0180.00615.90
7.1.90.0200.00515.27
7.1.80.0170.00615.01
7.1.70.0170.01015.77
7.1.60.0140.01016.31
7.1.50.0160.01115.70
7.1.40.0260.00615.21
7.1.30.0240.00515.28
7.1.20.0230.00415.13
7.1.10.0240.01015.20
7.1.00.0120.02317.04
7.0.330.0150.00814.72
7.0.320.0250.00714.74
7.0.310.0240.00514.77
7.0.300.0210.00714.71
7.0.290.0300.00414.81
7.0.280.0330.00514.75
7.0.270.0310.00314.64
7.0.260.0210.00614.71
7.0.250.0260.00714.79
7.0.240.0180.00714.69
7.0.230.0190.00714.77
7.0.220.0130.01014.70
7.0.210.0230.01014.92
7.0.200.0130.00815.41
7.0.190.0250.00614.61
7.0.180.0270.00614.88
7.0.170.0340.00514.82
7.0.160.0220.00714.88
7.0.150.0190.00414.67
7.0.140.0150.02216.59
7.0.130.0190.00614.84
7.0.120.0150.00714.71
7.0.110.0220.00514.95
7.0.100.0150.00614.68
7.0.90.0140.00814.75
7.0.80.0210.01014.81
7.0.70.0150.00714.90
7.0.60.0210.02016.04
7.0.50.0210.02415.76
7.0.40.0180.01115.14
7.0.30.0220.02115.17
7.0.20.0250.02415.27
7.0.10.0170.01815.16
7.0.00.0150.02415.33
5.6.380.0070.00914.15
5.6.370.0110.00714.29
5.6.360.0050.01114.12
5.6.350.0110.00714.26
5.6.340.0060.00914.32
5.6.330.0070.01114.41
5.6.320.0100.00714.11
5.6.310.0060.01014.35
5.6.300.0060.01114.54
5.6.290.0100.00614.10
5.6.280.0060.02615.83
5.6.270.0070.00914.48
5.6.260.0070.00914.39
5.6.250.0110.00614.18
5.6.240.0060.01014.39
5.6.230.0100.00514.45
5.6.220.0080.00914.28
5.6.210.0060.02415.91
5.6.200.0080.02815.34
5.6.190.0110.01215.86
5.6.180.0210.02416.00
5.6.170.0140.02715.81
5.6.160.0090.01815.81
5.6.150.0110.01715.26
5.6.140.0070.02515.27
5.6.130.0080.01815.23
5.6.120.0100.02415.91
5.6.110.0090.02715.95
5.6.100.0130.02316.04
5.6.90.0050.02715.88
5.6.80.0060.02415.72
5.6.70.0050.01114.08
5.6.60.0110.00314.17
5.6.50.0050.00914.21
5.6.40.0100.00614.31
5.6.30.0120.00314.23
5.6.20.0090.00614.22
5.6.10.0050.01014.22
5.6.00.0080.00514.18
5.5.380.0070.00511.13
5.5.370.0100.00311.12
5.5.360.0060.00511.13
5.5.350.0110.01613.44
5.5.340.0070.02112.86
5.5.330.0070.01713.36
5.5.320.0150.02013.40
5.5.310.0100.01413.43
5.5.300.0100.02312.90
5.5.290.0080.02212.83
5.5.280.0050.01413.60
5.5.270.0060.01513.51
5.5.260.0070.02113.58
5.5.250.0080.02413.47
5.5.240.0100.02013.43
5.5.230.0060.00411.05
5.5.220.0050.00411.16
5.5.210.0040.00811.07
5.5.200.0060.00411.17
5.5.190.0070.00411.12
5.5.180.0070.00511.16
5.5.170.0060.00511.09
5.5.160.0050.00611.23
5.5.150.0080.00411.13
5.5.140.0070.00411.19
5.5.130.0060.00811.20
5.5.120.0050.00711.12
5.5.110.0050.00911.11
5.5.100.0110.00311.14
5.5.90.0070.00511.13
5.5.80.0080.00511.26
5.5.70.0080.00611.19
5.5.60.0090.00511.11
5.5.50.0050.00611.26
5.5.40.0080.00411.19
5.5.30.0060.00811.15
5.5.20.0070.00511.20
5.5.10.0020.01011.12
5.5.00.0060.00511.08
5.4.450.0130.01613.24
5.4.440.0260.01813.24
5.4.430.0330.01713.19
5.4.420.0140.02113.26
5.4.410.0260.01813.13
5.4.400.0210.02213.05
5.4.390.0130.01813.18
5.4.380.0160.01713.05
5.4.370.0130.01812.98
5.4.360.0130.01613.02
5.4.350.0160.01413.02
5.4.340.0130.02013.07
5.4.330.0090.00611.06
5.4.320.0050.01611.43
5.4.310.0080.01311.40
5.4.300.0080.01311.52
5.4.290.0050.01711.46
5.4.280.0060.01411.46
5.4.270.0070.01411.42
5.4.260.0080.01311.45
5.4.250.0090.01111.39
5.4.240.0080.01111.47
5.4.230.0070.01811.47
5.4.220.0070.01311.48
5.4.210.0080.01111.45
5.4.200.0090.01411.49
5.4.190.0070.01211.40
5.4.180.0090.01211.42
5.4.170.0030.01711.48
5.4.160.0090.01211.42
5.4.150.0090.01511.47
5.4.140.0080.01811.29
5.4.130.0070.01411.34
5.4.120.0120.01211.27
5.4.110.0100.01211.38
5.4.100.0120.01311.36
5.4.90.0130.01111.33
5.4.80.0080.01511.35
5.4.70.0110.01311.29
5.4.60.0140.01311.29
5.4.50.0120.01211.38
5.4.40.0130.01311.37
5.4.30.0120.01211.37
5.4.20.0110.01511.33
5.4.10.0130.01111.36
5.4.00.0130.01411.25
5.3.290.0080.01311.35
5.3.280.0040.01811.29
5.3.270.0090.01211.32
5.3.260.0100.01211.28
5.3.250.0060.01711.25
5.3.240.0090.01311.27
5.3.230.0110.01111.29
5.3.220.0090.01311.28
5.3.210.0090.01311.28
5.3.200.0140.01011.29
5.3.190.0140.01111.29
5.3.180.0120.01611.34
5.3.170.0090.01411.31
5.3.160.0120.01411.34
5.3.150.0120.01411.32
5.3.140.0110.01311.32
5.3.130.0140.01111.32
5.3.120.0120.01311.25
5.3.110.0130.01311.32
5.3.100.0100.01211.13
5.3.90.0120.01211.19
5.3.80.0120.01111.15
5.3.70.0130.01211.15
5.3.60.0120.01411.18
5.3.50.0130.01111.11
5.3.40.0120.01311.12
5.3.30.0120.01211.07
5.3.20.0120.01310.99
5.3.10.0130.01210.94
5.3.00.0120.01210.99
5.2.170.0080.01410.20
5.2.160.0100.00910.20
5.2.150.0100.01310.20
5.2.140.0090.01010.13
5.2.130.0080.01110.12
5.2.120.0130.01110.17
5.2.110.0120.01210.18
5.2.100.0090.01210.19
5.2.90.0110.01010.15
5.2.80.0080.01010.12
5.2.70.0090.01310.12
5.2.60.0130.01210.13
5.2.50.0110.01110.14
5.2.40.0130.01210.11
5.2.30.0130.00910.09
5.2.20.0100.01010.09
5.2.10.0110.01010.07
5.2.00.0130.00910.03
5.1.60.0130.0099.85
5.1.50.0110.0089.85
5.1.40.0090.0079.85
5.1.30.0100.0079.94
5.1.20.0090.0129.94
5.1.10.0110.0079.87
5.1.00.0090.0129.87
5.0.50.0080.0109.49
5.0.40.0100.0089.46
5.0.30.0070.0159.41
5.0.20.0070.0079.40
5.0.10.0090.0059.39
5.0.00.0050.0119.39
4.4.90.0030.0089.03
4.4.80.0050.0089.02
4.4.70.0030.0089.02
4.4.60.0050.0079.02
4.4.50.0060.0069.03
4.4.40.0070.0119.01
4.4.30.0040.0089.03
4.4.20.0070.0109.04
4.4.10.0040.0099.05
4.4.00.0080.0089.02
4.3.110.0040.0089.00
4.3.100.0060.0069.00
4.3.90.0050.0068.99
4.3.80.0040.0098.98
4.3.70.0090.0068.99
4.3.60.0090.0048.99
4.3.50.0050.0068.99
4.3.40.0080.0078.97
4.3.30.0050.0068.66
4.3.20.0030.0098.65
4.3.10.0060.0068.64
4.3.00.0080.0069.55

preferences:
46.94 ms | 401 KiB | 5 Q