3v4l.org

run code in 300+ PHP versions simultaneously
<?php public function foo() { namespace { } namespace The\Other\Thing { var_dump($this); } } foo();

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)
5.4.340.0050.03512.01
5.4.320.0080.03412.50
5.4.310.0070.03712.50
5.4.300.0090.03312.50
5.4.290.0070.03712.49
5.4.280.0070.03512.39
5.4.270.0070.03512.39
5.4.260.0060.03712.39
5.4.250.0070.03612.39
5.4.240.0070.03812.39
5.4.230.0070.03612.38
5.4.220.0090.03212.38
5.4.210.0080.03712.38
5.4.200.0020.04412.38
5.4.190.0080.03612.38
5.4.180.0040.03912.38
5.4.170.0090.03512.38
5.4.160.0100.03512.38
5.4.150.0050.04012.38
5.4.140.0070.03712.07
5.4.130.0090.03412.05
5.4.120.0080.03412.02
5.4.110.0090.03112.01
5.4.100.0100.03112.01
5.4.90.0050.04112.02
5.4.80.0040.04012.01
5.4.70.0060.03812.01
5.4.60.0090.03312.01
5.4.50.0080.03412.01
5.4.40.0080.03112.00
5.4.30.0070.03412.00
5.4.20.0050.03611.98
5.4.10.0060.03411.99
5.4.00.0070.03411.48
5.3.290.0060.03912.80
5.3.280.0080.03612.71
5.3.270.0060.04012.73
5.3.260.0080.03812.72
5.3.250.0070.03612.72
5.3.240.0080.03612.72
5.3.230.0080.04112.71
5.3.220.0130.03512.68
5.3.210.0080.05112.68
5.3.200.0110.04612.68
5.3.190.0100.03812.68
5.3.180.0110.03512.68
5.3.170.0070.03712.67
5.3.160.0090.03412.67
5.3.150.0110.04712.67
5.3.140.0110.03912.66
5.3.130.0070.04612.66
5.3.120.0080.03812.66
5.3.110.0040.04112.66
5.3.100.0080.03612.11
5.3.90.0070.03512.08
5.3.80.0090.03712.07
5.3.70.0030.04412.08
5.3.60.0080.03612.07
5.3.50.0140.03612.00
5.3.40.0050.04512.00
5.3.30.0090.03911.95
5.3.20.0080.03311.73
5.3.10.0040.03611.70
5.3.00.0090.03611.68
5.2.170.0070.0299.18
5.2.160.0040.0319.18
5.2.150.0070.0439.18
5.2.140.0090.0349.17
5.2.130.0060.0289.14
5.2.120.0070.0289.14
5.2.110.0060.0319.15
5.2.100.0110.0239.14
5.2.90.0030.0329.14
5.2.80.0080.0309.14
5.2.70.0010.0379.14
5.2.60.0060.0299.09
5.2.50.0060.0299.06
5.2.40.0050.0299.03
5.2.30.0040.0319.01
5.2.20.0040.0309.00
5.2.10.0040.0298.93
5.2.00.0070.0388.78
5.1.60.0100.0288.07
5.1.50.0070.0308.06
5.1.40.0050.0268.05
5.1.30.0040.0268.40
5.1.20.0070.0248.41
5.1.10.0050.0278.14
5.1.00.0050.0268.14
5.0.50.0030.0246.63
5.0.40.0040.0186.48
5.0.30.0000.0356.29
5.0.20.0040.0206.26
5.0.10.0030.0226.23
5.0.00.0040.0306.23
4.4.90.0040.0204.78
4.4.80.0030.0154.75
4.4.70.0040.0144.76
4.4.60.0010.0174.76
4.4.50.0000.0184.77
4.4.40.0030.0244.71
4.4.30.0040.0134.76
4.4.20.0020.0154.85
4.4.10.0010.0174.85
4.4.00.0020.0254.75
4.3.110.0030.0154.67
4.3.100.0030.0154.67
4.3.90.0020.0174.63
4.3.80.0030.0244.58
4.3.70.0020.0164.63
4.3.60.0020.0154.63
4.3.50.0020.0164.63
4.3.40.0020.0244.54
4.3.30.0030.0153.29
4.3.20.0030.0173.26
4.3.10.0020.0193.21
4.3.00.0200.0277.43

preferences:
144.07 ms | 1394 KiB | 7 Q