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

0 vote146 views1 answer
Php write to standard out
PHP
1 vote139 views6 answers
Check if all values in array are equal php
PHP
100 votes196 views6 answers
Php substr_replace
PHP
0 vote167 views1 answer
Laravel firstorcreate with multiple parameters
PHP
0 vote155 views1 answer
French special characters php
PHP
0 vote158 views1 answer
Php check if session is running
PHP
11 votes135 views5 answers
Php default timezone
PHP
1 vote186 views2 answers
Php date function get previous month
PHP
1 vote139 views1 answer
Laravel Post model for flat file CMS
PHP
1 vote163 views1 answer
How validate the becrypt password in laravel
PHP Laravel