3v4l.org

run code in 300+ PHP versions simultaneously
<?php $i = new CachingIterator(20); new RecursiveCachingIterator(new ArrayIterator([]))

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)
5.4.310.0060.04712.46
5.4.300.0070.04612.46
5.4.290.0060.04312.46
5.4.280.0070.03612.36
5.4.270.0060.03712.36
5.4.260.0060.04412.36
5.4.250.0050.03812.36
5.4.240.0070.03512.36
5.4.230.0050.03812.35
5.4.220.0060.03712.35
5.4.210.0060.03412.35
5.4.200.0060.04312.35
5.4.190.0090.04312.34
5.4.180.0050.03612.34
5.4.170.0060.04412.36
5.4.160.0070.03412.36
5.4.150.0060.03512.35
5.4.140.0060.03712.04
5.4.130.0060.03512.02
5.4.120.0060.04111.98
5.4.110.0050.04111.98
5.4.100.0050.04111.98
5.4.90.0100.03211.98
5.4.80.0060.03611.98
5.4.70.0050.03511.98
5.4.60.0040.03611.98
5.4.50.0030.03711.97
5.4.40.0060.03511.96
5.4.30.0070.03411.96
5.4.20.0080.04511.95
5.4.10.0080.04311.96
5.4.00.0100.04711.46
5.3.280.0050.03912.71
5.3.270.0090.04012.72
5.3.260.0050.04212.71
5.3.250.0050.03812.72
5.3.240.0050.03812.71
5.3.230.0080.03512.70
5.3.220.0080.04012.68
5.3.210.0040.04412.68
5.3.200.0080.03612.68
5.3.190.0090.05212.68
5.3.180.0120.04612.67
5.3.170.0070.03912.67
5.3.160.0030.03912.67
5.3.150.0070.03912.67
5.3.140.0090.03912.66
5.3.130.0070.04312.66
5.3.120.0070.03712.66
5.3.110.0090.04812.66
5.3.100.0030.03912.12
5.3.90.0060.04512.08
5.3.80.0050.03712.08
5.3.70.0090.03912.07
5.3.60.0030.03812.07
5.3.50.0090.03912.00
5.3.40.0110.03612.00
5.3.30.0050.03411.95
5.3.20.0060.04311.73
5.3.10.0050.04111.70
5.3.00.0040.04211.68
5.2.170.0030.0319.19
5.2.160.0050.0289.19
5.2.150.0020.0329.19
5.2.140.0070.0389.18
5.2.130.0080.0389.14
5.2.120.0060.0309.14
5.2.110.0110.0249.15
5.2.100.0070.0269.14
5.2.90.0050.0299.14
5.2.80.0050.0309.14
5.2.70.0040.0319.14
5.2.60.0030.0359.09
5.2.50.0030.0339.06
5.2.40.0070.0269.04
5.2.30.0050.0289.01
5.2.20.0070.0309.01
5.2.10.0060.0268.92
5.2.00.0020.0328.79
5.1.60.0050.0238.07
5.1.50.0060.0238.06
5.1.40.0030.0288.05
5.1.30.0040.0368.40
5.1.20.0050.0348.42
5.1.10.0010.0308.14
5.1.00.0050.0288.14
5.0.50.0040.0206.62
5.0.40.0020.0236.48
5.0.30.0020.0396.29
5.0.20.0060.0226.26
5.0.10.0040.0196.24
5.0.00.0050.0366.23
4.4.90.0010.0254.78
4.4.80.0060.0154.75
4.4.70.0040.0174.76
4.4.60.0000.0244.75
4.4.50.0020.0264.77
4.4.40.0040.0244.71
4.4.30.0010.0184.76
4.4.20.0010.0174.84
4.4.10.0070.0224.85
4.4.00.0050.0234.76
4.3.110.0010.0204.66
4.3.100.0030.0214.67
4.3.90.0020.0164.64
4.3.80.0040.0234.59
4.3.70.0040.0134.63
4.3.60.0000.0174.63
4.3.50.0040.0144.63
4.3.40.0010.0264.54
4.3.30.0020.0163.28
4.3.20.0020.0163.27
4.3.10.0050.0123.22
4.3.00.0030.01715.27

preferences:
145.27 ms | 1394 KiB | 7 Q