PHP Training in Chandigarh (20)

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PHP Training in Chandigarh

• CBitss Technologies

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Object Inheritance

• Inheritance is a well-established programming
  principle, and PHP makes use of this principle in
  its object model. This principle will affect the
  way many classes and objects relate to one
  another.
• For example, when you extend a class, the
  subclass inherits all of the public and protected
  methods from the parent class. Unless a class
  overrides those methods, they will retain their
  original functionality.

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How can a child class have its own methods and
properties?

• ust as a child class can use the properties and
  methods of its parent class, it can have
  properties and methods of its own as well.
  However, while a child class can use the code it
  inherited from the parent, the parent class is
  not allowed to use the child classs code.
• In the example given below, we will add to the
  child class some code of its own by adding the
  style property as well as the driveItWithStyle()
  method

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• The parent class has its properties and
  methodsclass Car //A private property or
  method can be used only by the parent. private
  model // Public methods and properties can
  be used by both the parent and the child
  classes. public function setModel(model)
  this -gt model model public
  function getModel() return this -gt
  model

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CBitss Technologies SCO 23-24- 25, Level 3, Near
Passport office, Sector 34 A, Chandigarh. Contact
Us- 9914641983.
Website- http//cbitss.in/php-training-in-chandig
arh/
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