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 vote200 views1 answer
Tackle discount in php laravel blade
PHP Laravel
1 vote179 views1 answer
Phpexcel set row height
PHP
0 vote173 views1 answer
How to check if page opened from mobile or desktop
PHP
0 vote234 views2 answers
How to get just the first row from a table in laravel
PHP Laravel
12 votes235 views6 answers
Laravel redirect back with input
PHP
22 votes188 views6 answers
Fix to 2 decimal places php
PHP
28 votes210 views3 answers
How do I get the current date and time in PHP?
PHP
0 vote201 views2 answers
Unique sql queries laravel
PHP Laravel
1 vote172 views1 answer
Trim laravel
PHP Laravel
0 vote179 views1 answer
Php json string to associative array
PHP