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<?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(), new StdClass));
Output for 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 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 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) Notice: Object of class stdClass could not be converted to int in /in/53XoQ on line 9 Notice: Object of class stdClass could not be converted to int in /in/53XoQ on line 9 string(1) "C"
Output for 7.3.32 - 7.3.33, 7.4.26
bool(false) string(1) "C"
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5
bool(false) bool(false)
preferences:
253.83 ms | 402 KiB | 359 Q