Online PHP editor | output for ZEABf

@ 2015-10-20T15:54:13Z

<?php

interface a
{
    public function aa();
}

interface b extends a
{
    public function bb();
}

class aa implements a
{
    public function aaa() {
        echo 'aa';
    }
}

class bb implements b {
    public function aaa() {
        echo 'aa';
    }
    
    public function bbb() {
        echo 'bb';
    }
}

echo 'aa' . "\n";
echo 'aa:aaa' . "\n";
$aa = new aa();
$aa->aaa() . "\n";
echo "\n\n";

echo 'bb' . "\n";
$bb = new bbb();
echo 'bb:aa' . "\n";
$bb->aaa() . "\n";
echo 'bb:bb' . "\n";
$bb->bbb();

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 - 8.3.7: Fatal error: Class aa contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (a::aa) in /in/ZEABf on line 13
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28: Fatal error: Class aa contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (a::aa) in /in/ZEABf on line 18
Process exited with code 255.

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