3v4l.org

run code in 500+ PHP versions simultaneously
<?php class P { protected static $v = 1; public function output() { echo new ReflectionProperty($this, 'v')->getValue($this); } } class C extends P { public function test(P $i) { return $i->v; } } class C2 extends P { protected static $v = 2; } $c = new C; $c2 = new C2; $reflection = new ReflectionClass(P::class); $property = $reflection->getProperty('v'); echo $property->getValue($c2); echo new ReflectionProperty(P::class, 'v')->getValue($c2); $c2->output();

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)
8.5.70.0030.00416.85
8.5.60.0060.00816.80
8.5.50.0080.00818.46
8.4.220.0050.00424.03
8.4.210.0080.00519.46
8.4.100.0320.00817.45
8.4.90.0120.00719.60
8.3.310.0120.00720.02
8.3.50.0120.00816.79
preferences:
57.25 ms | 521 KiB | 5 Q