<?php
function getGrandParentClass($object, $level = NULL)
{
$gp = $object = get_class($object);
$isNull = is_null($level);
$j = 0;
while(get_parent_class($gp) && ($isNull || $level > $j))
{
$gp = get_parent_class($gp);
$j++;
if(!get_parent_class($gp) && !$isNull && $level > $j)
return false;
}
return $gp == $object ? false : $gp;
}
class A {}
class B extends A {}
class C extends B {}
class D extends C {}
var_dump(getGrandParentClass(new A())); // false
var_dump(getGrandParentClass(new D(), INF));
- Output for 4.3.6 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 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
- bool(false)
bool(false)
- Output for 4.3.0 - 4.3.5
- bool(false)
Notice: Use of undefined constant INF - assumed 'INF' in /in/5sDKG on line 28
bool(false)
preferences:
194.61 ms | 401 KiB | 315 Q