hook_init

5 core.php	`hook_init()`
6 core.php	`hook_init()`
7 system.api.php	`hook_init()`
8 system.api.php	`hook_init()`

Perform setup tasks. See also, hook_boot.

This hook is run at the beginning of the page request. It is typically used to set up global parameters which are needed later in the request. when this hook is called, all modules are already loaded in memory.

For example, this hook is a typical place for modules to add CSS or JS that should be present on every page. This hook is not run on cached pages - though CSS or JS added this way will be present on a cached page.

Return value

None.

▸ 15 functions implement hook_init()

▾ 15 functions implement hook_init()

aggregator_init in modules/aggregator/aggregator.module: Implementation of hook_init().
blogapi_init in modules/blogapi/blogapi.module
book_init in modules/book/book.module: Implementation of hook_init(). Add's the book module's CSS.
conf_init in includes/bootstrap.inc: Loads the configuration and sets the base URL, cookie domain, and session name correctly.
dblog_init in modules/dblog/dblog.module
forum_init in modules/forum/forum.module: Implementation of hook_init().
lock_init in includes/lock-install.inc: Initialize the locking system.
lock_init in includes/lock.inc: Initialize the locking system.
node_init in modules/node/node.module: Implementation of hook_init().
phptemplate_init in themes/engines/phptemplate/phptemplate.engine: Implementation of hook_init().
poll_init in modules/poll/poll.module: Implementation of hook_init().
system_init in modules/system/system.module: Implementation of hook_init().
tablesort_init in includes/tablesort.inc: Initialize the table sort context.
user_init in modules/user/user.module: Implementation of hook_init().
variable_init in includes/bootstrap.inc: Load the persistent variable table.

File

developer/hooks/core.php, line 941: These are the hooks that are invoked by the Drupal core.

Code

<?php
function hook_init() {
  drupal_add_css(drupal_get_path('module', 'book') . '/book.css');
}
?>

Comments

404 pages

Posted by coltrane on February 18, 2010 at 5:09am

You can of course use hook_init for any page not being served from cache. This includes 404 pages. http://drupal.org/node/468494#comment-1630520

And what if I need a check to

Posted by int_ua on July 5, 2011 at 6:23pm

And what if I need a check to be performed on a cached pages?

page_cache_fastpath looks

Posted by int_ua on July 6, 2011 at 8:48am

ok, noticed hook_boot, will try it

Anonymous user run a page(views page) hook_init not work

Posted by balaji88ee on November 26, 2011 at 1:47pm

I create new module have my_module_init function. Anonymous run a page (page created by views module )my_module_init not working.

hook_init only working for logged-in users?

Now working

Posted by balaji88ee on November 26, 2011 at 2:17pm

After Disable Page cache now working good.