3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { const OMG = 10; public function get($what) { return constant("self::" . $what); } } class Test2 { private $test = $test; public function __construct(Test $test) { $this->test = $test; } public function testFunc() { var_dump($this->test::OMG); } } $test = new Test(); $test2 = new Test2($test); var_dump($test2->testFunc());

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)
5.4.300.0070.03612.52
5.4.290.0060.03912.52
5.4.280.0060.03512.41
5.4.270.0040.03812.41
5.4.260.0060.03712.41
5.4.250.0070.04212.41
5.4.240.0080.03412.41
5.4.230.0030.04312.40
5.4.220.0070.03612.40
5.4.210.0060.03912.40
5.4.200.0080.03612.40
5.4.190.0080.03512.39
5.4.180.0060.03612.39
5.4.170.0080.03512.41
5.4.160.0070.03612.40
5.4.150.0060.03612.40
5.4.140.0090.03512.09
5.4.130.0060.03712.07
5.4.120.0060.03612.03
5.4.110.0050.03712.03
5.4.100.0070.03412.03
5.4.90.0050.03812.03
5.4.80.0080.03512.03
5.4.70.0040.03812.02
5.4.60.0070.03512.02
5.4.50.0070.03512.02
5.4.40.0050.03812.02
5.4.30.0090.03312.01
5.4.20.0050.03612.01
5.4.10.0040.03612.01
5.4.00.0080.04511.51
5.3.280.0080.04112.71
5.3.270.0040.04212.73
5.3.260.0060.03812.72
5.3.250.0040.03912.72
5.3.240.0050.03812.72
5.3.230.0060.03812.71
5.3.220.0040.04012.68
5.3.210.0060.03912.68
5.3.200.0040.03812.68
5.3.190.0050.03812.68
5.3.180.0070.03512.67
5.3.170.0050.04212.67
5.3.160.0110.03112.67
5.3.150.0080.03512.67
5.3.140.0090.03312.66
5.3.130.0040.04212.66
5.3.120.0030.04212.66
5.3.110.0090.03612.66
5.3.100.0060.03712.12
5.3.90.0070.03612.11
5.3.80.0080.03812.09
5.3.70.0080.03512.09
5.3.60.0080.03512.08
5.3.50.0050.03812.03
5.3.40.0070.03512.02
5.3.30.0070.03411.98
5.3.20.0110.03011.76
5.3.10.0070.03411.73
5.3.00.0040.03811.71

preferences:
140.97 ms | 1394 KiB | 7 Q