Online PHP editor | output for sY96q

@ 2020-07-27T12:08:29Z

<?php

class C {
    public \stdClass $x;
    
    public function __construct() {
        $this->x = new \stdClass();
    }
    
    public function foo() {
        print "->foo()\n";
        var_export($this->x);
    }
}

class D extends C {
    
    public function __get($name) {
        print "\n";
        print "__get($name)\n";
        var_export($this->$name);
    }
}

$c = new D();
// $c->x = NULL;

print "\$c->x\n";
var_export($c->x);

print "\n\n-----------------\n";
print "\$c->x after unset()\n";
unset($c->x);
var_export($c->x);

print "\n\n-----------------\n";
$c->foo();

Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12: $c->x (object) array( ) ----------------- $c->x after unset() __get(x) Fatal error: Uncaught Error: Typed property C::$x must not be accessed before initialization in /in/sY96q:21 Stack trace: #0 /in/sY96q(34): D->__get('x') #1 {main} thrown in /in/sY96q on line 21
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33: Parse error: syntax error, unexpected '\' (T_NS_SEPARATOR), expecting function (T_FUNCTION) or const (T_CONST) in /in/sY96q on line 4
Process exited with code 255.

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