3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace foo { class foo1 { } } namespace bar { class foo2 { } } namespace { cs = "\foo\foo1"; $f = new cs(); var_dump($f); $f = new cs(); var_dump($f); }

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)
5.4.340.0050.03512.02
5.4.320.0060.03612.51
5.4.310.0060.03812.51
5.4.300.0070.03412.51
5.4.290.0060.03612.51
5.4.280.0030.03712.40
5.4.270.0070.03412.40
5.4.260.0030.03912.40
5.4.250.0090.03312.40
5.4.240.0050.03612.40
5.4.230.0080.03512.39
5.4.220.0070.03912.39
5.4.210.0080.03712.39
5.4.200.0060.03712.39
5.4.190.0030.03812.39
5.4.180.0060.03512.39
5.4.170.0030.03812.40
5.4.160.0040.03712.39
5.4.150.0030.03812.39
5.4.140.0050.03812.08
5.4.130.0090.03212.06
5.4.120.0080.03312.02
5.4.110.0050.03712.02
5.4.100.0070.03312.02
5.4.90.0110.03112.02
5.4.80.0050.03712.02
5.4.70.0020.03812.02
5.4.60.0060.03412.02
5.4.50.0030.03712.02
5.4.40.0040.03512.01
5.4.30.0030.03712.00
5.4.20.0090.03212.00
5.4.10.0050.03512.00
5.4.00.0090.03811.50
5.3.290.0060.04012.80
5.3.280.0060.03712.71
5.3.270.0090.03612.72
5.3.260.0050.03912.72
5.3.250.0060.03712.72
5.3.240.0050.03812.71
5.3.230.0070.03812.71
5.3.220.0080.03412.68
5.3.210.0050.03912.68
5.3.200.0060.03612.68
5.3.190.0090.03412.68
5.3.180.0080.03412.67
5.3.170.0040.03812.67
5.3.160.0050.03612.67
5.3.150.0090.03412.67
5.3.140.0040.03812.66
5.3.130.0050.03912.66
5.3.120.0070.03712.66
5.3.110.0110.03412.65
5.3.100.0080.03412.12
5.3.90.0050.03812.10
5.3.80.0070.03912.09
5.3.70.0040.03812.09
5.3.60.0070.03512.08
5.3.50.0080.03312.02
5.3.40.0020.04212.02
5.3.30.0090.03111.98
5.3.20.0070.03311.76
5.3.10.0040.03611.73
5.3.00.0050.03711.71
5.2.170.0030.0329.18
5.2.160.0050.0289.18
5.2.150.0060.0289.18
5.2.140.0020.0329.18
5.2.130.0050.0289.14
5.2.120.0050.0299.14
5.2.110.0050.0299.14
5.2.100.0080.0259.14
5.2.90.0040.0299.14
5.2.80.0060.0299.14
5.2.70.0050.0339.14
5.2.60.0070.0269.09
5.2.50.0060.0299.06
5.2.40.0060.0269.04
5.2.30.0070.0269.01
5.2.20.0050.0279.00
5.2.10.0030.0308.93
5.2.00.0030.0308.78
5.1.60.0020.0268.06
5.1.50.0040.0258.06
5.1.40.0030.0258.05
5.1.30.0030.0278.40
5.1.20.0060.0258.42
5.1.10.0060.0258.14
5.1.00.0030.0298.14
5.0.50.0030.0216.63
5.0.40.0040.0196.47
5.0.30.0060.0296.29
5.0.20.0020.0216.27
5.0.10.0030.0206.24
5.0.00.0020.0326.23
4.4.90.0030.0164.78
4.4.80.0010.0164.75
4.4.70.0020.0164.75
4.4.60.0030.0154.75
4.4.50.0040.0144.77
4.4.40.0050.0224.71
4.4.30.0070.0164.76
4.4.20.0020.0164.85
4.4.10.0020.0164.85
4.4.00.0040.0244.76
4.3.110.0030.0224.66
4.3.100.0050.0194.66
4.3.90.0020.0184.63
4.3.80.0020.0254.59
4.3.70.0030.0144.63
4.3.60.0020.0144.62
4.3.50.0010.0174.63
4.3.40.0020.0244.53
4.3.30.0020.0153.29
4.3.20.0040.0143.26
4.3.10.0030.0143.22
4.3.00.0130.0237.01

preferences:
136.01 ms | 1394 KiB | 7 Q