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<?php
/** @file class_tree.php
* @brief Class Tree example
* @ingroup Examples
* @author Marcus Boerger
* @date 2003 - 2008
* @version 1.1
*
* Usage: php class_tree.php \<class\>
*
* Simply specify the root class or interface to tree with parameter \<class\>.
*/
if ($argc < 2) {
echo <<<EOF
Usage: php ${_SERVER['PHP_SELF']} <class>
Displays a graphical tree for the given <class>.
<class> The class or interface for which to generate the tree graph.
EOF;
exit(1);
}
if (!class_exists("RecursiveTreeIterator", false)) require_once("recursivetreeiterator.inc");
/** \brief Collects sub classes for given class or interface
*/
class SubClasses extends RecursiveArrayIterator
{
/** @param base base class to collect sub classes for
* @param check_interfaces whether we deal with interfaces
*/
function __construct($base, $check_interfaces = false)
{
foreach(get_declared_classes() as $cname)
{
$parent = get_parent_class($cname);
if (strcasecmp($parent, $base) == 0)
{
$this->offsetSet($cname, new SubClasses($cname));
}
if ($check_interfaces)
{
if ($parent)
{
$parent_imp = class_implements($parent);
}
foreach(class_implements($cname) as $iname)
{
if (strcasecmp($iname, $base) == 0)
{
if (!$parent || !in_array($iname, $parent_imp))
{
$this->offsetSet($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));
}
}
}
}
$this->uksort('strnatcasecmp');
}
/** @return key() since that is the name we need
*/
function current()
{
$result = parent::key();
$parent = get_parent_class($result);
if ($parent)
{
$interfaces = array_diff(class_implements($result), class_implements($parent));
if ($interfaces)
{
$implements = array();
foreach($interfaces as $interface)
{
$implements = array_merge($implements, class_implements($interface));
}
$interfaces = array_diff($interfaces, $implements);
natcasesort($interfaces);
$result .= ' (' . join(', ', $interfaces) . ')';
}
}
return $result;
}
}
$it = new RecursiveTreeIterator(new SubClasses($argv[1], true));
echo $argv[1]."\n";
foreach($it as $c=>$v)
{
echo "$v\n";
}
?>
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