PHP global Keyword
Example
Use a global variable in a function:
<?php
$x = 5;
function add($y) {
global $x;
return $x + $y;
}
echo "$x + 5 is " . add(5);
?>
Try it Yourself »
Definition and Usage
The global keyword imports variables from the global scope into the local scope of a
function.
Related Pages
Read more about Variable Scope in our PHP Variables Tutorial.
❮ PHP Keywords
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