3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private $prop = 'A::$prop'; public function __construct() { var_dump(get_object_vars($this)); foreach ($this as $name => $prop) { var_dump($name, $prop); } } } class B extends A { protected $prop = 'B::$prop'; } new B;

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)
8.4.130.0440.00617.61
8.4.120.0040.00517.78
8.4.90.0080.01017.88
8.3.260.0120.00716.63
8.3.250.0130.00616.52
8.3.180.0050.00316.27
8.3.50.0090.00916.66
preferences:
28.84 ms | 403 KiB | 5 Q