3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Concrete\Test { use DerpFoo; class Test { public function __construct(Concrete\Foo\FooInterface $foo) {} } $f = new Test(new \Concrete\BetterFoo\BetterFoo); } namespace Concrete\Foo { class Foo implements FooInterface { public function Derp(); } interface FooInterface { public function Derp(); } class_alias('\Concrete\Foo\Foo', 'DerpFoo'); } namespace Concrete\BetterFoo { class BetterFoo extends \Concrete\Foo\Foo implements FooInterface {} }

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)
5.4.280.0110.06212.38
5.4.270.0060.04912.39
5.4.260.0080.05412.38
5.4.250.0060.04012.39
5.4.240.0080.03712.39
5.4.230.0090.04312.38
5.4.220.0130.05912.38
5.4.210.0040.05212.38
5.4.200.0150.05412.38
5.4.190.0080.03812.37
5.4.180.0130.04212.38
5.4.170.0070.05212.38
5.4.160.0060.04012.38
5.4.150.0070.03612.38
5.4.140.0080.04012.06
5.4.130.0120.08012.05
5.4.120.0100.04812.00
5.4.110.0120.04712.00
5.4.100.0070.05012.01
5.4.90.0070.05612.00
5.4.80.0080.05512.00
5.4.70.0180.09212.00
5.4.60.0130.05412.00
5.4.50.0110.05412.00
5.4.40.0050.05811.98
5.4.30.0150.05211.99
5.4.20.0040.05411.98
5.4.10.0060.05111.98
5.4.00.0060.05211.48
5.3.280.0100.06012.71
5.3.270.0100.04912.72
5.3.260.0100.03812.72
5.3.250.0050.04112.72
5.3.240.0080.04612.71
5.3.230.0090.05312.71
5.3.220.0160.08312.68
5.3.210.0080.08612.68
5.3.200.0300.11512.68
5.3.190.0150.05112.68
5.3.180.0090.06012.67
5.3.170.0160.06212.67
5.3.160.0130.06612.67
5.3.150.0180.11012.67
5.3.140.0100.07512.66
5.3.130.0100.05912.66
5.3.120.0160.07212.66
5.3.110.0090.05712.66
5.3.100.0090.06612.12
5.3.90.0060.07712.09
5.3.80.0060.05412.08
5.3.70.0110.06912.07
5.3.60.0090.07512.06
5.3.50.0100.07412.02
5.3.40.0130.05412.02
5.3.30.0140.05911.97
5.3.20.0080.08311.75
5.3.10.0150.11011.72
5.3.00.0100.07311.70

preferences:
129.03 ms | 1398 KiB | 7 Q