3v4l.org

run code in 300+ PHP versions simultaneously
<?php class HiddenClass { protected $a = 'valueA'; // how to get it's value ? } class VisibleClass extends HiddenClass { public function getA() { return $this->a; } } $obj = new VisibleClass(); print_r($obj->getA());

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)
8.3.60.0070.00716.50
8.3.50.0140.00018.08
8.3.40.0160.00020.48
8.3.30.0060.01218.59
8.3.20.0040.00424.18
8.3.10.0040.00424.66
8.3.00.0000.00726.16
8.2.180.0110.00725.92
8.2.170.0070.00718.70
8.2.160.0110.00322.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0070.00026.16
8.2.110.0070.00420.39
8.2.100.0030.00618.93
8.1.280.0120.00625.92
8.1.270.0040.00423.99
8.1.260.0030.00626.35
8.1.250.0070.00028.09
8.1.240.0110.00018.54
8.1.230.0030.00622.24
8.0.100.0040.00416.71

preferences:
44.87 ms | 401 KiB | 5 Q