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up vote 4 down vote favorite

I have set theme handler for a form in Drupal and this handler has a template file. What is the easiest way to send a value from PHP to Javascript in that include file?

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migrated from stackoverflow.com Feb 20 '12 at 20:13

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3 Answers

up vote 8 down vote accepted

The standard way to do this in Drupal is with drupal_add_js, using the "setting" type, e.g.:

drupal_add_js(array('variableName' => 'value'), 'setting');

That will make the variable available on the JS side at Drupal.settings.variableName.

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up vote 1 down vote

Few more examples on drupal_add_js,

It's better to specify your module name while adding JS variable to avoid any issues,

drupal_add_js(array('myModule' => array('key' => 'value')), 'setting');

In case you want to execute some JS code after the DOM is initialized,

drupal_add_js('jQuery(document).ready(function () { alert("Hello!"); });', 'inline');
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up vote -4 down vote

Easiest way is just to echo it out into a script tag.

<script type="text/javascript">
   var variableName = <?php echo $variable ?>;
</script>

If Drupal uses a templating language, you need to replace the <?php echo... ?> with the relevent output method...

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also if variable is a string you should put it in a quotes and escape if needed. –  kodisha Mar 30 '10 at 15:49
1  
Scott's suggesting, using Drupal.settings, is definitely the correct way to go for this. –  Chaulky Feb 20 '12 at 21:04
1  
This is not a drupal standard. –  Jayendra Kainthola Nov 19 '13 at 5:08
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