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run code in 300+ PHP versions simultaneously
<?php phpversion() >= "7.0.0" or die(); class FooBar { private $x; private $y = null; public function __construct() { var_dump($this); echo "Let's remove a property!", PHP_EOL; unset($this->x); var_dump(property_exists($this, 'x')); } } $foobar = new Foobar;
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0
object(FooBar)#1 (2) { ["x":"FooBar":private]=> NULL ["y":"FooBar":private]=> NULL } Let's remove a property! bool(true)
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
preferences:
68.41 ms | 402 KiB | 46 Q