Variable Scope : Variable Scope « Language Basics « PHP

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PHP » Language Basics » Variable Scope

Variable Scope


 

<?php 

  $num;



  function make_triple($arg)

  {

    global $num;

    $num = $arg + $arg +$arg;

    thrice();



  }



  function thrice()

  {

    global $num;

    echo("The value is $num");

  } 

?>



<html>

 <head>

  <title>Variable Scope</title>

 </head>

 <body>



  <h3> <?php make_triple(4); ?> </h3>



 </body>

</html>

Related examples in the same category

1.	Variable scope: function
2.	Use variable defined outside function
3.	Scope of a Variable
4.	Variable Scope: A Variable Declared Within a Function Is Unavailable Outside the Function
5.	Variables Defined Outside Functions Are Inaccessible from Within a Function by Default
6.	Defining Variable Scope
7.	More Working with Variable Scope
8.	local variables
9.	Variable Scope in Functions
10.	Variable Scope: A Variable Declared Within a Function Is Unavailable Outside the Function

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