note 86066 added to language.oop5.late-static-bindings

WHOA... KEEP IT SIMPLE!

Remember, when you write a class definition, you are creating a new "type" of object. And when you extend those classes, you are creating a heirarchy. To get to the point... all the class defs below work together to provide a solid organization of data.

<?php

abstract class Animal {
  protected $type, $name;

  public function __construct($aType, $aName) {
    $this->type = $aType;
    $this->name = $aName;
  }

  public function __toString() {
    return "Animal [type=$this->type, name=$this->name]";
  }
}

class Dog extends Animal {
  public function __construct($aName) {
    parent::__construct("Dog", $aName);
  }
}

class Cat extends Animal {
  public function __construct($aName) {
    parent::__construct("Cat", $aName);
  }
}

echo 'My dog: ' . (new Dog('Sam')) . '<br>';
echo 'My cat: ' . (new Cat('Fluffy')) . '<br>';
echo 'Your dog: ' . (new Dog('Walter')) . '<br>';
echo 'Yout cat: ' . (new Cat('Ginger'));

?>

My dog:   Animal[type=Dog, name=Sam]
My cat:   Animal[type=Cat, name=Fluffy]
Your dog: Animal[type=Dog, name=Walter]
Yout cat: Animal[type=Cat, name=Ginger]

... and notice the property called $type, is the same as using __CLASS__ in most of the previous posts, but without the complexities of the PHP language.
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Manual Page -- http://www.php.net/manual/en/language.oop5.late-static-bindings.php
Edit        -- https://master.php.net/note/edit/86066
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Del: non-english -- https://master.php.net/note/delete/86066/non-english
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