3v4l.org

run code in 300+ PHP versions simultaneously
<?php class x extends RecursiveRegexIterator{} $arr = new ArrayIterator([0,[1,2]]]); $x = new x($arr, '/.*/'); var_dump(get_class($x->getChildren()));

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)
5.4.320.0040.04512.51
5.4.310.0070.03512.52
5.4.300.0100.03212.52
5.4.290.0080.04212.51
5.4.280.0080.04112.41
5.4.270.0050.03712.41
5.4.260.0040.03912.41
5.4.250.0050.03812.41
5.4.240.0050.03512.41
5.4.230.0030.04212.40
5.4.220.0080.03912.40
5.4.210.0060.03512.40
5.4.200.0050.03812.40
5.4.190.0050.03612.39
5.4.180.0050.03612.39
5.4.170.0050.03712.40
5.4.160.0050.03812.40
5.4.150.0080.04112.39
5.4.140.0060.03712.09
5.4.130.0130.04412.07
5.4.120.0020.04512.04
5.4.110.0040.03612.03
5.4.100.0070.03412.03
5.4.90.0090.03212.03
5.4.80.0030.03812.04
5.4.70.0060.03312.03
5.4.60.0070.03112.03
5.4.50.0060.03412.03
5.4.40.0030.03612.01
5.4.30.0070.04312.02
5.4.20.0030.03712.00
5.4.10.0100.03312.01
5.4.00.0030.04011.51
5.3.290.0080.04112.80
5.3.280.0090.03812.70
5.3.270.0070.03812.73
5.3.260.0070.04412.72
5.3.250.0070.03712.72
5.3.240.0110.03412.72
5.3.230.0080.03712.71
5.3.220.0050.03612.68
5.3.210.0050.03912.68
5.3.200.0080.03412.68
5.3.190.0070.04212.68
5.3.180.0050.03612.67
5.3.170.0040.03612.67
5.3.160.0070.03512.67
5.3.150.0030.03812.67
5.3.140.0080.03312.66
5.3.130.0030.04312.66
5.3.120.0070.04012.65
5.3.110.0030.04112.65
5.3.100.0050.04012.12
5.3.90.0050.03912.11
5.3.80.0050.03712.10
5.3.70.0080.03712.10
5.3.60.0090.03912.09
5.3.50.0040.04012.03
5.3.40.0060.03912.02
5.3.30.0040.03711.99
5.3.20.0040.04111.76
5.3.10.0060.04011.74
5.3.00.0020.04011.72
5.2.170.0070.0289.22
5.2.160.0060.0339.22
5.2.150.0080.0279.22
5.2.140.0040.0319.22
5.2.130.0060.0289.18
5.2.120.0040.0309.18
5.2.110.0030.0299.19
5.2.100.0080.0249.18
5.2.90.0050.0289.18
5.2.80.0040.0309.18
5.2.70.0030.0329.18
5.2.60.0040.0389.13
5.2.50.0080.0299.10
5.2.40.0070.0349.07
5.2.30.0040.0309.05
5.2.20.0050.0289.04
5.2.10.0030.0298.95
5.2.00.0030.0318.81
5.1.60.0010.0278.09
5.1.50.0000.0298.09
5.1.40.0010.0278.07
5.1.30.0070.0258.41
5.1.20.0070.0248.44
5.1.10.0050.0328.16
5.1.00.0070.0298.16
5.0.50.0040.0266.64
5.0.40.0060.0176.50
5.0.30.0050.0296.31
5.0.20.0050.0266.28
5.0.10.0040.0216.26
5.0.00.0030.0336.25
4.4.90.0010.0194.77
4.4.80.0010.0174.76
4.4.70.0010.0174.75
4.4.60.0010.0194.75
4.4.50.0030.0154.77
4.4.40.0030.0294.71
4.4.30.0030.0204.76
4.4.20.0040.0174.85
4.4.10.0050.0174.85
4.4.00.0020.0274.76
4.3.110.0040.0144.67
4.3.100.0020.0164.67
4.3.90.0010.0194.63
4.3.80.0020.0244.58
4.3.70.0060.0104.63
4.3.60.0060.0154.63
4.3.50.0040.0144.63
4.3.40.0010.0264.54
4.3.30.0030.0173.30
4.3.20.0030.0253.28
4.3.10.0020.0163.23
4.3.00.0070.01316.39

preferences:
142.49 ms | 1394 KiB | 7 Q