Determining if object property is empty

Question

I feel like I\'m missing something here. I\'ve been using PHP\'s empty() function for quite a while now in determining if a variable is empty. I wanted to use it to

Answer 1

Check if the return value is null instead. Should give you the right answer.

Answer 2

if (empty(($person->number)))

/* OR */

if (!isset($person->nothing) || empty(($person->nothing)))

Putting () around the Object->Property value will force it to be evaluated prior to calling empty.

Answer 3

You need to implement __isset() magic method.

__isset() is triggered by calling isset() or empty() on inaccessible properties.

public function __isset($property){
    return isset($this->$property);
}