PHP Tutorial - Global Variable, Local Variable, Static Variable and Function (PHP For Beginners)

Published: 05 January 2015
on channel: Julfi Tutorials

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In this tutorial you will learn how to use Global variables and Local variables in php.

1. Global variables are variables declared outside the function. You can't access a global variable in a function.

2. To use global variable inside the function you need to define a keyword 'global' before the variable name.

global $lang;

3. Note: You can also declare global keyword as

$GLOBALS['lang']

3. Local variables are variables which are declared inside a function and can be accessed within that function only.

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