CODEWITHSUNDEEP
phpclassinheritanceextend
halvors
halvors

Reputation: 11

How to check if a PHP class has a parent (Also it extends another)?

I am trying to check if my PHP class is extending another class. I am able to retrive the class itself with get_parent_class() but when checking if that is null it's just throwing a null pointer exception.

I want to get a boolean that is true if the class is extended. Thereby avoiding the null pointer exception.

Upvotes: 1

Views: 4827

Answers (2)

num8er
num8er

Reputation: 19372

http://php.net/manual/en/function.class-parents.php

An array on success, or FALSE on error.

function hasParents($object) {
    $parents = class_parents($object);
    return is_array($parents) && !empty($parents);
}

UPD.: simplified way

function hasParents($object) {
    return (bool)class_parents($object);
}

https://extendsclass.com/php-bin/dfa71d0

Upvotes: 4

M.i.X
M.i.X

Reputation: 345

is_subclass_of() function does the job:

Wisely it accepts not only class instance but also class name - no object creation needed to get the information.

Upvotes: 1

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