I'm looking for a good approach to manipulate some JS code from within a module call. (Using Drupal 6.)

I have a set of JavaScript functions I need to add to a page. (Regular JavaScript, no jQuery.) Unfortunately they rely on some variables from the page they are shown on. So my current approach is to generate all the JavaScript from within PHP code which results in a whole lot of escaped strings like $output .= ' var url = "'. $url . '";' . "\n";, which is not so nice after 20-30 lines of code.

So I would like to move all the JavaScript code into it's own .js file, and find a way to inject my variables. So far, the only solution I could come up with is putting it in a temporary file, read that, modify and save it to the /files directory. But is there another, more preferred way?

  • @Gnuget provided "the correct" answer, I was going to post the same thing. Dec 13, 2011 at 1:05

1 Answer 1


Drupal have a javascript array for save settings and variables, take a look here:


Check the "settings" option in that page.

A example could be:

$my_module_variables = array(
  "url"  => "http://google.com",
  "name" => "this is a variable"

drupal_add_js(array("my_module_vars" => $my_module_variables),'settings');

And for use it in your javascript files you can do:

//will print http://google.com
//will print "this is a variable"

In this way you can set javascript vars without need print javascript code, only using a php array.

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