Online PHP editor | output for o8YZH

@ 2016-01-21T12:58:03Z

<?php
class Main {
    public function run($callable) {
        $callable();
    }
}

class Foo extends Main {
    public function test(){
        echo 'Foo';
    }
}

class Bar extends Main {
    public function test(){
        echo 'Bar';
    }
}

$function = function(){
    $this->test();
};

$foo = new Foo;
$bar = new Bar;

$foo->run($function);
$bar->run($function);

Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Fatal error: Uncaught Error: Using $this when not in object context in /in/o8YZH:21 Stack trace: #0 /in/o8YZH(4): {closure}() #1 /in/o8YZH(27): Main->run(Object(Closure)) #2 {main} thrown in /in/o8YZH on line 21
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28: Fatal error: Using $this when not in object context in /in/o8YZH on line 21
Process exited with code 255.

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