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/** * Intercept template variables. * * This mimics how themes work in Drupal 6. Instead of using switch cases, * separated functions are called to alter the variables per hook. This is * easier to maintain. Each preprocess function passes $vars by reference. * * This function should not be modified directly. */ function _phptemplate_variables($hook, $vars = array()) { global $theme, $theme_engine; $preprocess_functions = array( $theme_engine .'_preprocess', $theme_engine .'_preprocess_'. $hook, $theme .'_preprocess', $theme .'_preprocess_'. $hook, ); // This construct ensures that we can keep a reference through // call_user_func_array. $args = array(&$vars, $hook); foreach ($preprocess_functions as $preprocess_function) { if (function_exists($preprocess_function)) { call_user_func_array($preprocess_function, $args); } } return $vars; }