Online PHP editor | output for v6o3t

@ 2015-11-21T22:29:12Z

<?php

declare(strict_types=1); // so only PHP 7 will show up

class FooBar {
    private $x;
    
    public function __construct() {
        var_dump($this);
        
        unset($this->x); // I can remove a property!
        
        var_dump($this); // It's gone!
        
        $this->x = 2; // I can recreate a property!
        
        var_dump($this); // The "new" property retains the "old" property's visibilty. Good job.
    }
}

$foobar = new Foobar;

Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7: object(FooBar)#1 (1) { ["x":"FooBar":private]=> NULL } object(FooBar)#1 (0) { } object(FooBar)#1 (1) { ["x":"FooBar":private]=> int(2) }
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40: Warning: Unsupported declare 'strict_types' in /in/v6o3t on line 3 object(FooBar)#1 (1) { ["x":"FooBar":private]=> NULL } object(FooBar)#1 (0) { } object(FooBar)#1 (1) { ["x":"FooBar":private]=> int(2) }

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