Online PHP editor | output for JW8P9

@ 2015-10-29T18:43:56Z

<?php

interface SomeInterface
{
    

    
    public function getSomeInterface() : SomeInterface;
    
}

class SomeClass implements SomeInterface
{
    
    public function getSomeInterface() : SomeInterface
    {
        debug_print_backtrace();
        return $this;
    }
    
}

$object = new SomeClass();


var_dump($object->getSomeInterface());

Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7: #0 /in/JW8P9(26): SomeClass->getSomeInterface() object(SomeClass)#1 (0) { }
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: #0 SomeClass->getSomeInterface() called at [/in/JW8P9:26] object(SomeClass)#1 (0) { }
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28: Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/JW8P9 on line 8
Process exited with code 255.

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