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Assure hooks in a Drupal module are ran before the others.

/ Published in: PHP
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Sets a module's weight to the lowest number. This assures that your module is ran before all other modules. Userfull if you want your implementation of a hook to be ran first.
Add this to your .install file. Replace your_modulename with the name of your module.

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  1. function your_modulename_install() {
  2.   switch ($GLOBALS['db_type']) {
  3.     case 'mysql':
  4.     case 'mysqli':
  5.       $weight = db_result(db_query('SELECT MIN(weight) AS weight FROM {system} WHERE status = 1')) - 1;
  6.       db_query("UPDATE {system} SET weight = %d WHERE name  = '%s'", $weight, 'your_modulename');
  7.     break;
  8.     default:
  9.       drupal_set_message(t('Your database type is not supported'));
  10.   }
  11. }

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