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run code in 300+ PHP versions simultaneously
<?php class xx{    public static function xxxx()    {        $xx = new static();        $xx->zz();    }    protected function zz()    {        echo 'zz';    }}xx::xxxx();
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.32
Parse error: syntax error, unexpected '{' in /in/6BWaI on line 4
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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '{' in /in/6BWaI on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/6BWaI on line 4
Process exited with code 255.

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