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Here is the blogname in php <?php $blog_title = get_bloginfo('name'); ?> I want to convert it to javascript. The file I want the blog name is in a .js file so I cant create the variable with php.

  • Take a look at this answer. – Charles Clarkson May 20 '13 at 22:49
  • I looked at it but I don't understand how to implement. – Jess May 20 '13 at 23:34
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Use wp_localize_script

function set_js_var() {
  $translation_array = array( 'blog_name' => get_bloginfo('name') );
  wp_localize_script( 'jquery', 'my_data', $translation_array );
}
add_action('wp_enqueue_scripts','set_js_var');

If you look at the source of the page you will see something like:

<script type='text/javascript'>
/* <![CDATA[ */
var my_data = {"blog_name":"WordPress 3.5.1 Release"};
/* ]]> */
</script>

That is your Javascript variable.

You have to "register" that on some existing Javascript slug. That is, some slug you've already used to register a script. That is why I used jquery, which is the slug used by WordPress to load its bundled jQuery library.

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