Calling Member Functions

Monday, 13 January 2014

After creating your objects, you will be able to call member functions related to that object. One member function will be able to process member variable of related object only.
Following example shows how to set title and prices for the three books by calling member functions.
   $physics->setTitle( "Physics for High School" );
   $chemistry->setTitle( "Advanced Chemistry" );
   $maths->setTitle( "Algebra" );

   $physics->setPrice( 10 );
   $chemistry->setPrice( 15 );
   $maths->setPrice( 7 );
Now you call another member functions to get the values set by in above example:
   $physics->getTitle();
   $chemistry->getTitle();
   $maths->getTitle();
   $physics->getPrice();
   $chemistry->getPrice();
   $maths->getPrice();
This will produce follwoing result:
  Physics for High School
  Advanced Chemistry
  Algebra
  10
  15
  7

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