Overloading and overriding in php

class Shape {
   const Pi = 3.142 ;  // constant value
  function __call($functionname, $argument){
    if($functionname == 'area')
    switch(count($argument)){
        case 0 : return 0 ;
        case 1 : return self::Pi * $argument[0] ; // 3.14 * 5
        case 2 : return $argument[0] * $argument[1];  // 5 * 10
    }

  }

 }
 $circle = new Shape();`enter code here`
 echo "Area of circle:".$circle->area()."</br>"; // display the area of circle Output 0
 echo "Area of circle:".$circle->area(5)."</br>"; // display the area of circle
 $rect = new Shape();
 echo "Area of rectangle:".$rect->area(5,10); // display area of rectangle

Source: stackoverflow.com

Overloading and overriding in php

<?php

class Foo {
   function myFoo() {
      return "Foo";
   }
}

class Bar extends Foo {
   function myFoo() {
      return "Bar";
   }
}

$foo = new Foo;
$bar = new Bar;
echo($foo->myFoo()); //"Foo"
echo($bar->myFoo()); //"Bar"
?>

Source: stackoverflow.com

Similar codes

1 vote230 views1 answer
How to add attributes to an exsisting object in php
PHP
0 vote230 views1 answer
Gerar aquivo csv php
PHP
6 votes232 views2 answers
Php go to another page
PHP
0 vote273 views1 answer
__invoke in laravel
PHP Laravel
4 votes230 views3 answers
Laravel collection split
PHP Laravel
2 votes234 views1 answer
Php assign value to variable with default
PHP
5 votes231 views6 answers
Isset
PHP
2 votes267 views4 answers
Laravel htaccess
PHP
0 vote220 views1 answer
Registration form in php and mysql
PHP
0 vote225 views1 answer
Php instance class from string
PHP