Scope of a Variable : Variable Scope « Language Basics « PHP






  1. PHP
  2. Language Basics
  3. Variable Scope

Scope of a Variable


<?php

  $a = "asdf";

  function music (){
      $a = "Music is great";
  }
  print $a;
?>








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