class_tree.php

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<?php

if ($argc < 2) {
    echo <<<EOF
Usage: php ${_SERVER['PHP_SELF']} <class>

Displays a graphical tree for the given <class>.

<class> The class or interface for which to generate the tree graph.


EOF;
    exit(1);
}

if (!class_exists("RecursiveTreeIterator", false)) require_once("recursivetreeiterator.inc");

class SubClasses extends RecursiveArrayIterator
{
    function __construct($base, $check_interfaces = false)
    {
        foreach(get_declared_classes() as $cname)
        {
            if (strcasecmp(get_parent_class($cname), $base) == 0)
            {
                $this->offsetSet($cname, new SubClasses($cname));
            }
            if ($check_interfaces)
            {
                foreach(class_implements($cname) as $iname)
                {
                    if (strcasecmp($iname, $base) == 0)
                    {
                        $this->offsetSet($cname, new SubClasses($cname));
                    }
                }
            }
        }
        if ($check_interfaces)
        {
            foreach(get_declared_interfaces() as $cname)
            {
                foreach(class_implements($cname) as $iname)
                {
                    if (strcasecmp($iname, $base) == 0)
                    {
                        $this->offsetSet($cname, new SubClasses($cname, true));
                    }
                }
            }
        }
    }

    function current()
    {
        return parent::key();
    }
}

$it = new RecursiveTreeIterator(new SubClasses($argv[1], true));

echo $argv[1]."\n";
foreach($it as $c=>$v)
{
    echo "$v\n";
}

?>

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