PHP: Calling a class method from another class..

Question

Hi all, basically I have two classes Inventory and Character. During the construct of the inventory I am trying to determine the characters gender however this just doesn't seem to be working for me at all.. I haven't really used static functions before so if somebody could point out what I'm doing wrong it would be much appreciated..

File 1:

class Inventory
{
protected $user_gender;
public function __construct( $id = 0 )
{
$user_gender = Character::getGenderStatic();
}
}

File 2:

class Character
{
protected static $gender;
public static function getGenderStatic() { 
return self::$gender; 
}
}

Answer 1

In the constructor for Inventory you have

$user_gender = Character::getGenderStatic();

This makes a new variable that's scoped to the constructor. You probably mean

$this->user_gender = Character::getGenderStatic();

which refers to the Inventory object's protected variable you define at the beginning of the class.

I see nothing wrong with the way you're using static functions, except that you haven't set a value for Character::$gender (the protected static variable you define at the beginning of the character class) but I'm assuming you set that somewhere else.