3v4l.org

run code in 300+ PHP versions simultaneously
<?php <?php namespace Concrete\Test { use DerpFoo; class Test { public function __construct(DerpFoo $foo) {} } $f = new Test(new \Concrete\BetterFoo\BetterFoo); } namespace Concrete\Foo { class Foo {} class_alias('\Concrete\Foo\Foo', 'DerpFoo'); } namespace Concrete\BetterFoo { use \Concrete\Foo\Foo; class BetterFoo extends 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)
5.4.280.0080.04512.36
5.4.270.0030.03912.36
5.4.260.0080.03912.36
5.4.250.0070.04312.36
5.4.240.0100.04312.36
5.4.230.0070.05212.36
5.4.220.0110.04712.35
5.4.210.0090.04612.36
5.4.200.0100.04712.36
5.4.190.0080.04812.35
5.4.180.0100.04712.35
5.4.170.0120.04312.36
5.4.160.0070.04812.35
5.4.150.0120.04412.35
5.4.140.0090.04912.04
5.4.130.0090.04712.02
5.4.120.0100.04611.99
5.4.110.0070.05111.98
5.4.100.0140.04611.98
5.4.90.0080.05011.98
5.4.80.0120.04911.98
5.4.70.0110.05011.98
5.4.60.0100.04411.98
5.4.50.0100.04611.98
5.4.40.0110.05211.97
5.4.30.0090.05011.96
5.4.20.0130.05611.96
5.4.10.0140.06711.96
5.4.00.0080.05011.45
5.3.280.0060.04712.71
5.3.270.0110.04912.73
5.3.260.0090.04812.72
5.3.250.0060.04712.72
5.3.240.0060.04312.72
5.3.230.0070.04112.71
5.3.220.0090.03812.68
5.3.210.0100.03712.68
5.3.200.0070.03612.68
5.3.190.0040.03912.68
5.3.180.0060.03712.67
5.3.170.0080.03512.67
5.3.160.0060.04512.68
5.3.150.0060.03712.67
5.3.140.0090.04712.66
5.3.130.0070.05712.66
5.3.120.0120.05312.66
5.3.110.0110.05312.66
5.3.100.0080.03612.11
5.3.90.0030.04012.09
5.3.80.0040.04012.08
5.3.70.0070.03612.08
5.3.60.0050.03812.06
5.3.50.0040.03812.00
5.3.40.0080.04612.00
5.3.30.0070.03411.94
5.3.20.0080.03511.70
5.3.10.0120.04711.67
5.3.00.0100.04911.65
5.2.170.0080.0349.15
5.2.160.0050.0379.15
5.2.150.0050.0309.15
5.2.140.0080.0349.14
5.2.130.0090.0399.11
5.2.120.0060.0429.11
5.2.110.0090.0329.11
5.2.100.0060.0289.11
5.2.90.0060.0299.11
5.2.80.0040.0349.11
5.2.70.0040.0389.11
5.2.60.0030.0339.05
5.2.50.0040.0329.03
5.2.40.0070.0389.00
5.2.30.0100.0388.98
5.2.20.0030.0528.97
5.2.10.0080.0388.90
5.2.00.0080.0418.77
5.1.60.0060.0238.04
5.1.50.0060.0308.04
5.1.40.0070.0338.03
5.1.30.0040.0358.38
5.1.20.0060.0288.39
5.1.10.0050.0278.13
5.1.00.0030.0298.13
5.0.50.0010.0246.60
5.0.40.0040.0196.46
5.0.30.0030.0336.27
5.0.20.0050.0196.25
5.0.10.0030.0226.22
5.0.00.0050.0296.21
4.4.90.0010.0184.78
4.4.80.0040.0144.75
4.4.70.0000.0214.75
4.4.60.0030.0224.75
4.4.50.0030.0214.77
4.4.40.0040.0244.71
4.4.30.0020.0234.76
4.4.20.0030.0234.84
4.4.10.0030.0174.85
4.4.00.0030.0254.76
4.3.110.0000.0194.67
4.3.100.0040.0144.66
4.3.90.0030.0154.63
4.3.80.0030.0264.58
4.3.70.0000.0204.63
4.3.60.0020.0244.63
4.3.50.0000.0364.63
4.3.40.0030.0294.54
4.3.30.0000.0213.27
4.3.20.0030.0193.25
4.3.10.0020.0223.22
4.3.00.0130.0235.34

preferences:
145.9 ms | 1394 KiB | 7 Q