<?php
class Army
{
public static $strength = 20;
public static function getStrength()
{
//late static binding... if the child that called the method has a the property, use that one
//else, go up the class hierarchy and find the static property
return static::$strength;
}
}
echo 'Army strength: ' . Army::getStrength() . '<br/>';
class Batallion extends Army
{
public static $strength = 10;
}
echo 'Batallion strength: ' . Batallion::getStrength() . "<br/>";
<?php
class Army
{
public static $strength = 20;
public static function getStrength()
{
return static::$strength;
// will check child class first then parent class
//This is called late static binding
//return self::$strength; will renter 20 for battalion
}
}
class Battalion extends Army
{
public static $strength = 10;
}
echo 'Army strength: ' . Army::getStrength() . "<br/>";
echo 'Battalion strength: ' . Battalion::getStrength() . "<br/>";
//Batallion str is 10 but it will render 20 because it will render the parent static as the default
//
class Unit extends Battalion
{
public static $strength = 5;
}
echo 'Unit strength: ' . Unit::getStrength() . "<br/>";
