3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace { function CONSTANT() { return __NAMESPACE__; } $closure = function () { var_dump(CONSTANT()); }; $closure = $closure->bindTo(null, 'Foo\\Scope'); $closure(); $closure = $closure->bindTo(null, 'Bar\\Scope'); $closure(); } namespace Foo { function CONSTANT() { return __NAMESPACE__; } class Scope {} } namespace Bar { function CONSTANT() { return __NAMESPACE__; } class Scope {} }

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)
5.4.300.0070.03612.51
5.4.290.0070.04512.50
5.4.280.0080.04612.40
5.4.270.0060.04012.40
5.4.260.0080.03712.40
5.4.250.0090.03912.40
5.4.240.0070.04812.40
5.4.230.0100.03912.39
5.4.220.0050.04212.39
5.4.210.0040.03812.39
5.4.200.0060.04512.39
5.4.190.0090.03712.39
5.4.180.0060.03712.39
5.4.170.0080.03412.40
5.4.160.0070.03512.40
5.4.150.0090.03312.39
5.4.140.0050.03912.08
5.4.130.0110.03212.06
5.4.120.0070.03412.02
5.4.110.0100.03812.02
5.4.100.0040.04012.02
5.4.90.0080.03612.02
5.4.80.0140.02912.02
5.4.70.0070.03312.01
5.4.60.0110.03112.01
5.4.50.0120.03112.02
5.4.40.0080.03512.00
5.4.30.0080.03712.00
5.4.20.0100.03512.00
5.4.10.0070.03712.00
5.4.00.0050.03711.50
5.3.280.0050.04012.71
5.3.270.0060.04112.72
5.3.260.0070.04512.72
5.3.250.0080.04012.72
5.3.240.0070.03812.72
5.3.230.0090.03812.71
5.3.220.0090.05112.68
5.3.210.0110.05012.68
5.3.200.0210.03712.68
5.3.190.0090.04912.68
5.3.180.0090.04512.67
5.3.170.0090.05012.67
5.3.160.0170.04212.67
5.3.150.0090.04512.67
5.3.140.0080.03612.66
5.3.130.0090.04112.66
5.3.120.0070.04012.66
5.3.110.0080.04012.66
5.3.100.0120.05712.12
5.3.90.0120.04812.11
5.3.80.0100.04512.09
5.3.70.0110.04012.09
5.3.60.0070.05112.08
5.3.50.0100.04712.02
5.3.40.0090.04912.02
5.3.30.0090.04511.98
5.3.20.0050.04211.76
5.3.10.0020.04011.73
5.3.00.0090.03611.71

preferences:
137.54 ms | 1386 KiB | 7 Q