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I want to make my WP code simpler (there's some mess within header.php, page.php etc.). So, for example, I want to set something like this global:

$foo = get_option('foo');  

So $foo will work properly used anywhere in page.php, header.php, footer.php, loop.php and also within different theme files linked to functions.php (require_once).

I already know two ways of achieving this, both require editing functions.php:

Global dynamic function

function foo() {
   return 'bar';
}

Global constant

define('FOO_BAR', 'directory');    

Do I really need to fire a function in multiple places just for one variable? Isn't it an overkill?

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Isn't global $foo; $foo = 'bar'; and then in your template echo $foo; sufficient enough? –  userabuser Apr 24 '12 at 0:08
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1 Answer 1

up vote 6 down vote accepted

You could also use this function:

set_query_var('foo', $foo);

WP will extract and expose all query variables in every template it loads, so you will be able to access it as $foo

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This is brilliant! :) –  Wordpressor Apr 23 '12 at 23:18
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