3v4l.org

run code in 300+ PHP versions simultaneously

@ 2013-06-26T11:22:40Z

<?php

error_reporting(E_ALL);

abstract class Base
{

    protected function doSomething()
    {

        echo 'here we go' . PHP_EOL;
        $something = 'aaaaaa';
        return $something;
    }
}

class Vendor extends Base
{
    protected function doSomething()
    {
        // do something..

        // call parent (Base::doSomething())
        $something = parent::doSomething();

        $something .= "bbbbbbbbbbb";

        return $something;
        // do something more
    }
}

class Local extends Vendor
{
    protected function doSomething()
    {

        // do something..

        $grandparent = get_parent_class(get_parent_class($this));

        $something = $grandparent::doSomething();

        $something .= "cccccccccccc";

        return $something;
        // do something more












        // do something venture-specific








        // intention: call grand-parent (Base::doSomething())
        parent::doSomething(); // this will call Vendor::doSomething() :(


        // this would work, without raising a strict error (see https://bugs.php.net/bug.php?id=42016 - not a bug!)
        Base::doSomething();


        // a little more generic, but you need to know about inheritance level:
        $grandparent = get_parent_class(get_parent_class($this));
        $grandparent::doSomething();


        // do something more

    }

    public function api()
    {
        $something = $this->doSomething();
        echo $something;
    }
}

$local = new Local;
$local->api();

Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.29 - 7.2.33, 7.3.12 - 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: here we go aaaaaacccccccccccc
Output for 5.2.3 - 5.2.17: Parse error: syntax error, unexpected T_PAAMAYIM_NEKUDOTAYIM in /in/j6Ghb on line 42
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.2: <br /> <b>Parse error</b>: syntax error, unexpected T_PAAMAYIM_NEKUDOTAYIM in <b>/in/j6Ghb</b> on line <b>42</b><br />
Process exited with code 255.
Output for 5.0.0 - 5.0.5: <br /> <b>Parse error</b>: parse error, unexpected T_PAAMAYIM_NEKUDOTAYIM in <b>/in/j6Ghb</b> on line <b>42</b><br />
Process exited with code 255.
Output for 4.4.2 - 4.4.9: <br /> <b>Parse error</b>: syntax error, unexpected T_CLASS in <b>/in/j6Ghb</b> on line <b>5</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1: <br /> <b>Parse error</b>: parse error, unexpected T_CLASS in <b>/in/j6Ghb</b> on line <b>5</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4: <br /> <b>Parse error</b>: parse error in <b>/in/j6Ghb</b> on line <b>5</b><br />
Process exited with code 255.

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