Global vs function level : GLOBALS « Language Basics « PHP






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  2. Language Basics
  3. GLOBALS

Global vs function level

 
<?php 
$a = 7; 
function test() { 
    global $a; 
    $a = 20; 
} 
test(); 
echo "\$a = $a\n"; 
?>








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5.Create global variables
6.Modifying a Variable with $GLOBALS
7.Overriding Scope with the GLOBALS Array