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<?php
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caf16a48
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/**
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* @file
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* List of functions used to alter the theme registry in Bootstrap based themes.
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*/
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/**
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* @addtogroup registry
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* @{
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*/
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// Define additional sub-groups for creating lists for all the theme files.
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/**
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* @defgroup theme_functions Theme Functions (.func.php)
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*
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* List of theme functions used in the Drupal Bootstrap base theme.
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*
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* View the parent topic for additional documentation.
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*/
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/**
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* @defgroup theme_preprocess Theme Preprocess Functions (.vars.php)
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*
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* List of theme preprocess functions used in the Drupal Bootstrap base theme.
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*
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* View the parent topic for additional documentation.
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*/
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/**
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* @defgroup theme_process Theme Process Functions (.vars.php)
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*
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* List of theme process functions used in the Drupal Bootstrap base theme.
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*
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* View the parent topic for additional documentation.
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*/
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/**
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* @defgroup templates Theme Templates (.tpl.php)
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*
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* List of theme templates used in the Drupal Bootstrap base theme.
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*
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* View the parent topic for additional documentation.
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*/
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/**
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* Stub implementation for bootstrap_theme().
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*
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* This base-theme's custom theme hook implementations. Never define "path"
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* or "template" as these are detected and automatically added.
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*
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* @see bootstrap_theme_registry_alter()
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* @see bootstrap_theme()
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* @see hook_theme()
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*/
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function _bootstrap_theme(&$existing, $type, $theme, $path) {
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// Bootstrap Carousels.
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$hooks['bootstrap_carousel'] = array(
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'variables' => array(
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'attributes' => array(),
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'items' => array(),
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'start_index' => 0,
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'controls' => TRUE,
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'indicators' => TRUE,
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'interval' => 5000,
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'pause' => 'hover',
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'wrap' => TRUE,
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),
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);
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// Bootstrap Dropdowns.
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$hooks['bootstrap_dropdown'] = array(
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'render element' => 'element',
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);
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// Bootstrap Modals.
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$hooks['bootstrap_modal'] = array(
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'variables' => array(
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'heading' => '',
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'body' => '',
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'footer' => '',
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'dialog_attributes' => array(),
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'attributes' => array(),
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'size' => '',
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'html_heading' => FALSE,
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),
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);
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// Bootstrap Panels.
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$hooks['bootstrap_panel'] = array(
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'render element' => 'element',
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);
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// Bootstrap search form wrapper.
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// @todo Remove this as it's not really needed and should use suggestions.
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$hooks['bootstrap_search_form_wrapper'] = array(
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'render element' => 'element',
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);
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return $hooks;
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}
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/**
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* Implements hook_theme_registry_alter().
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*/
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function bootstrap_theme_registry_alter(&$registry) {
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// Retrieve the active theme names.
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$themes = _bootstrap_get_base_themes(NULL, TRUE);
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// Return the theme registry unaltered if it is not Bootstrap based.
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if (!in_array('bootstrap', $themes)) {
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return;
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}
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// Inject the "footer" variable default in the existing "table" hook.
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// @see https://www.drupal.org/node/806982
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caf16a48
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// @todo Make this discoverable in some way instead of a manual injection.
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$registry['table']['variables']['footer'] = NULL;
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// Process registered hooks in the theme registry.
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_bootstrap_process_theme_registry($registry, $themes);
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// Process registered hooks in the theme registry to add necessary theme hook
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// suggestion phased function invocations. This must be run after separately
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// and after all includes have been loaded.
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_bootstrap_process_theme_registry_suggestions($registry, $themes);
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// Merge both "html" and "page" theme hooks into "maintenance_page". Create
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// a fake "page" variable to satisfy both "html" and "page" preprocess/process
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// functions. Whether or not they stumble over each other doesn't matter since
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// the "maintenance_page" theme hook uses the "content" variable instead.
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$registry['maintenance_page']['variables']['page'] = array(
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'#show_messages' => TRUE,
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'#children' => NULL,
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'page_bottom' => array(),
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'page_top' => array(),
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);
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foreach (array('html', 'page') as $theme_hook) {
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foreach (array('includes', 'preprocess functions', 'process functions') as $property) {
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if (!isset($registry['maintenance_page'][$property])) {
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$registry['maintenance_page'][$property] = array();
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}
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if (!isset($registry[$theme_hook][$property])) {
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$registry[$theme_hook][$property] = array();
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}
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$registry['maintenance_page'][$property] = array_merge($registry['maintenance_page'][$property], $registry[$theme_hook][$property]);
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}
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}
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// Post-process theme registry. This happens after all altering has occurred.
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foreach ($registry as $hook => $info) {
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// Ensure uniqueness.
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if (!empty($registry[$hook]['includes'])) {
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$registry[$hook]['includes'] = array_unique($info['includes']);
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}
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if (!empty($registry[$hook]['preprocess functions'])) {
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$registry[$hook]['preprocess functions'] = array_unique($info['preprocess functions']);
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}
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if (!empty($registry[$hook]['process functions'])) {
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$registry[$hook]['process functions'] = array_unique($info['process functions']);
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}
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// Ensure "theme path" is set.
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if (!isset($registry[$hook]['theme path'])) {
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$registry[$hook]['theme path'] = $GLOBALS['theme_path'];
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}
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}
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}
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/**
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* Processes registered hooks in the theme registry against list of themes.
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*
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* Discovers and fills missing elements in the theme registry. This is similar
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* to _theme_process_registry(), however severely modified for Bootstrap based
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* themes.
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*
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* All additions or modifications must live in `./templates`, relative to the
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* base theme or sub-theme's base folder. These files can be organized in any
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* order using sub-folders as it searches recursively.
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*
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* Adds or modifies the following theme hook keys:
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* - `includes`: When a variables file `*.vars.php` is found.
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* - `includes`: When a function file `*.func.php` is found.
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* - `function`: When a specific theme hook function override is found.
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* - `template`: When a template file `*.tpl.php` is found in. Note, if both
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* a function and a template are defined, a template implementation will
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* always be used and the `function` will be unset.
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* - `path`: When a template file `*.tpl.php` is found.
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* - `preprocess functions`: When a specific theme hook suggestion function
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* `hook_preprocess_HOOK__SUGGESTION` is found.
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* - `process functions` When a specific theme hook suggestion function
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* `hook_process_HOOK__SUGGESTION` is found.
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*
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* @param array $registry
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* The theme registry array, passed by reference.
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* @param string|array $themes
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* The name of the theme or list of theme names to process.
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*
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* @see bootstrap_theme_registry_alter()
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* @see _theme_process_registry()
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* @see _theme_build_registry()
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*/
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eefc2ac0
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Assos Assos
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function _bootstrap_process_theme_registry(array &$registry, $themes) {
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caf16a48
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// Convert to an array if needed.
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if (is_string($themes)) {
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$themes = array();
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}
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// Processor functions work in two distinct phases with the process
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// functions always being executed after the preprocess functions.
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$variable_process_phases = array(
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'preprocess functions' => 'preprocess',
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'process functions' => 'process',
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);
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// Iterate over each theme passed.
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// Iterate over the [pre]process phases.
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foreach ($variable_process_phases as $phase_key => $phase) {
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foreach ($themes as $theme) {
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// Get the theme's base path.
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$path = drupal_get_path('theme', $theme);
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// Find theme function overrides.
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foreach (drupal_system_listing('/\.(func|vars)\.php$/', $path, 'name', 0) as $name => $file) {
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// Strip off the extension.
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if (($pos = strpos($name, '.')) !== FALSE) {
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$name = substr($name, 0, $pos);
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}
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// Transform "-" in file names to "_" to match theme hook naming scheme.
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$hook = strtr($name, '-', '_');
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// File to be included by core's theme function when a theme hook is
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// invoked.
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if (isset($registry[$hook])) {
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if (!isset($registry[$hook]['includes'])) {
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$registry[$hook]['includes'] = array();
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}
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// Include the file now so functions can be discovered below.
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include_once DRUPAL_ROOT . '/' . $file->uri;
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if (!in_array($file->uri, $registry[$hook]['includes'])) {
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$registry[$hook]['includes'][] = $file->uri;
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}
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}
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}
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// Process core's normal functionality.
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_theme_process_registry($registry, $theme, $GLOBALS['theme_key'] === $theme ? 'theme' : 'base_theme', $theme, $path);
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// Find necessary templates in the theme.
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$registry = drupal_array_merge_deep($registry, drupal_find_theme_templates($registry, '.tpl.php', $path));
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// Iterate over each registered hook.
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foreach ($registry as $hook => $info) {
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01f36513
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Assos Assos
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// Ensure the current phase callback functions array exists.
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if (!isset($registry[$hook][$phase_key])) {
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$registry[$hook][$phase_key] = array();
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}
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caf16a48
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Assos Assos
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// Remove function callbacks if a template was found.
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if (isset($info['function']) && isset($info['template'])) {
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unset($registry[$hook]['function']);
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}
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// Correct template theme paths.
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if (!isset($info['theme path'])) {
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$registry[$hook]['theme path'] = $path;
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}
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// Correct the type that is implementing this override.
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$registry[$hook]['type'] = $GLOBALS['theme_path'] === $registry[$hook]['theme path'] ? 'theme' : 'base_theme';
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// Sort the phase functions.
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// @see https://www.drupal.org/node/2098551
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_bootstrap_registry_sort_phase_functions($registry[$hook][$phase_key], $hook, $phase, $themes);
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// Setup a default "context" variable. This allows #context to be passed
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// to every template and theme function.
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Assos Assos
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// @see https://www.drupal.org/node/2035055
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caf16a48
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if (isset($info['variables']) && !isset($info['variables']['context'])) {
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$registry[$hook]['variables']['context'] = array();
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}
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// Setup a default "icon" variable. This allows #icon to be passed
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// to every template and theme function.
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9525582e
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Assos Assos
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// @see https://www.drupal.org/node/2219965
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caf16a48
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if (isset($info['variables']) && !isset($info['variables']['icon'])) {
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$registry[$hook]['variables']['icon'] = NULL;
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}
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if (isset($info['variables']) && !isset($info['variables']['icon_position'])) {
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$registry[$hook]['variables']['icon_position'] = 'before';
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}
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}
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}
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}
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}
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/**
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* Ensures the phase functions are invoked in the correct order.
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*
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* @param array $functions
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* The phase functions to iterate over.
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* @param string $hook
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* The current hook being processed.
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* @param string $phase
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* The current phase being processed.
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* @param array $themes
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* An indexed array of current themes.
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*
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* @see https://www.drupal.org/node/2098551
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*/
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function _bootstrap_registry_sort_phase_functions(array &$functions, $hook, $phase, array $themes) {
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// Immediately return if there is nothing to sort.
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if (count($functions) < 2) {
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return;
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}
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// Create an associative array of theme functions to ensure sort order.
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$theme_functions = array_fill_keys($themes, array());
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// Iterate over all the themes.
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foreach ($themes as $theme) {
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// Only add the function to the array of theme functions if it currently
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// exists in the $functions array.
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$function = $theme . '_' . $phase . '_' . $hook;
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$key = array_search($function, $functions);
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if ($key !== FALSE) {
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// Save the theme function to be added later, but sorted.
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$theme_functions[$theme][] = $function;
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// Remove it from the current $functions array.
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unset($functions[$key]);
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}
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}
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// Iterate over all the captured theme functions and place them back into
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// the phase functions array.
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foreach ($theme_functions as $array) {
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$functions = array_merge($functions, $array);
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}
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}
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/**
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* Processes registered hooks in the theme registry against list of themes.
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342 |
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*
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343 |
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* This is used to add the necessary phased functions to theme hook suggestions.
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344 |
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* Because it uses get_defined_functions(), it must be invoked after all
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345 |
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* includes have been detected and loaded. This is similar to
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346 |
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* drupal_find_theme_functions(), however severely modified for Bootstrap based
|
347 |
|
|
* themes.
|
348 |
|
|
*
|
349 |
|
|
* @param array $registry
|
350 |
|
|
* The theme registry array, passed by reference.
|
351 |
|
|
* @param string|array $themes
|
352 |
|
|
* The name of the theme or list of theme names to process.
|
353 |
|
|
*
|
354 |
9525582e
|
Assos Assos
|
* @see https://www.drupal.org/node/939462
|
355 |
caf16a48
|
Assos Assos
|
* @see drupal_find_theme_functions()
|
356 |
|
|
*/
|
357 |
eefc2ac0
|
Assos Assos
|
function _bootstrap_process_theme_registry_suggestions(array &$registry, $themes) {
|
358 |
caf16a48
|
Assos Assos
|
// Convert to an array if needed.
|
359 |
|
|
if (is_string($themes)) {
|
360 |
|
|
$themes = array();
|
361 |
|
|
}
|
362 |
|
|
|
363 |
|
|
// Merge in normal core detections first.
|
364 |
|
|
$registry = drupal_array_merge_deep($registry, drupal_find_theme_functions($registry, $themes));
|
365 |
|
|
|
366 |
|
|
// Processor functions work in two distinct phases with the process
|
367 |
|
|
// functions always being executed after the preprocess functions.
|
368 |
|
|
$variable_process_phases = array(
|
369 |
|
|
'preprocess functions' => 'preprocess',
|
370 |
|
|
'process functions' => 'process',
|
371 |
|
|
);
|
372 |
|
|
|
373 |
|
|
$grouped_functions = drupal_group_functions_by_prefix();
|
374 |
|
|
|
375 |
|
|
// Iterate over each theme passed.
|
376 |
|
|
foreach ($themes as $theme) {
|
377 |
|
|
// Iterate over each registered hook.
|
378 |
|
|
foreach ($registry as $hook => $info) {
|
379 |
|
|
// The pattern to match.
|
380 |
|
|
$pattern = isset($info['pattern']) ? $info['pattern'] : ($hook . '__');
|
381 |
|
|
|
382 |
|
|
// Only process hooks that have not explicitly "turned off" patterns.
|
383 |
|
|
if (empty($pattern)) {
|
384 |
|
|
continue;
|
385 |
|
|
}
|
386 |
|
|
|
387 |
|
|
// Iterate over the [pre]process phases.
|
388 |
|
|
foreach ($variable_process_phases as $phase_key => $phase) {
|
389 |
|
|
// Find functions matching the specific theme and phase prefix.
|
390 |
|
|
$prefix = $theme . '_' . $phase;
|
391 |
|
|
|
392 |
|
|
// Grep only the functions which are within the prefix group.
|
393 |
|
|
list($first_prefix,) = explode('_', $prefix, 2);
|
394 |
|
|
if (isset($grouped_functions[$first_prefix]) && ($matches = preg_grep('/^' . $prefix . '_' . $pattern . '/', $grouped_functions[$first_prefix]))) {
|
395 |
|
|
foreach ($matches as $match) {
|
396 |
|
|
// Determine the current theme implementation.
|
397 |
|
|
$hook = substr($match, strlen($prefix) + 1);
|
398 |
|
|
$base_hook = $hook;
|
399 |
|
|
|
400 |
|
|
// If there's no current theme implementation, keep checking for
|
401 |
|
|
// more generic base hooks. If there's still no implementation,
|
402 |
|
|
// one must be created using the last found implementation
|
403 |
|
|
// information.
|
404 |
|
|
if (!isset($registry[$base_hook]) || isset($registry[$base_hook]['base hook'])) {
|
405 |
|
|
// Iteratively strip everything after the last '__' delimiter,
|
406 |
|
|
// until an implementation is found.
|
407 |
|
|
while ($pos = strrpos($base_hook, '__')) {
|
408 |
|
|
$base_hook = substr($base_hook, 0, $pos);
|
409 |
|
|
if (isset($registry[$base_hook])) {
|
410 |
|
|
break;
|
411 |
|
|
}
|
412 |
|
|
}
|
413 |
|
|
|
414 |
|
|
// No base hook was found, this allows the implementation to be
|
415 |
|
|
// ignored in the next steps.
|
416 |
|
|
if (!isset($registry[$base_hook])) {
|
417 |
|
|
$base_hook = FALSE;
|
418 |
|
|
}
|
419 |
|
|
}
|
420 |
|
|
|
421 |
|
|
// Process specific base hook implementations if necessary.
|
422 |
|
|
if ($base_hook) {
|
423 |
|
|
// The matched theme implementation does not exist in the
|
424 |
|
|
// registry, one must be created if base hook information was
|
425 |
|
|
// found, otherwise it will be ignored.
|
426 |
|
|
if (!isset($registry[$hook])) {
|
427 |
b220caf9
|
Assos Assos
|
$registry[$base_hook] += array(
|
428 |
|
|
'type' => 'theme',
|
429 |
|
|
'preprocess functions' => array(),
|
430 |
|
|
'process functions' => array(),
|
431 |
|
|
);
|
432 |
caf16a48
|
Assos Assos
|
$hook_type = isset($registry[$base_hook]['function']) ? 'function' : 'template';
|
433 |
|
|
$arg_name = isset($registry[$base_hook]['variables']) ? 'variables' : 'render element';
|
434 |
|
|
$registry[$hook] = array(
|
435 |
|
|
$hook_type => $registry[$base_hook][$hook_type],
|
436 |
|
|
$arg_name => $registry[$base_hook][$arg_name],
|
437 |
|
|
'base hook' => $base_hook,
|
438 |
|
|
'type' => $registry[$base_hook]['type'],
|
439 |
|
|
'preprocess functions' => array(),
|
440 |
|
|
'process functions' => array(),
|
441 |
|
|
);
|
442 |
|
|
if (isset($registry[$base_hook]['path'])) {
|
443 |
|
|
$registry[$hook]['path'] = $registry[$base_hook]['path'];
|
444 |
|
|
}
|
445 |
|
|
if (isset($registry[$base_hook]['theme path'])) {
|
446 |
|
|
$registry[$hook]['theme path'] = $registry[$base_hook]['theme path'];
|
447 |
|
|
}
|
448 |
|
|
}
|
449 |
|
|
}
|
450 |
|
|
|
451 |
|
|
// If the hook exists, merge in the functions. Otherwise ignore it
|
452 |
|
|
// since there was no base hook found and a new implementation
|
453 |
|
|
// could not be created.
|
454 |
|
|
if (isset($registry[$hook])) {
|
455 |
|
|
$registry[$hook] = drupal_array_merge_deep($registry[$hook], array(
|
456 |
|
|
$phase_key => array($match),
|
457 |
|
|
));
|
458 |
|
|
|
459 |
|
|
// Due to how theme() functions, if a base hook implements
|
460 |
|
|
// preprocess or process functions, then the base hook info is
|
461 |
|
|
// used to invoke the necessary phase functions instead of the
|
462 |
|
|
// suggestion hook info. To get around this, a helper function
|
463 |
|
|
// must be appended to the base hook info so it can call the
|
464 |
|
|
// theme suggestion implementation's phase function.
|
465 |
|
|
$function = '_bootstrap_' . $phase . '_theme_suggestion';
|
466 |
|
|
if (!in_array($function, $registry[$base_hook][$phase_key])) {
|
467 |
|
|
$registry[$base_hook][$phase_key][] = $function;
|
468 |
|
|
}
|
469 |
|
|
}
|
470 |
|
|
}
|
471 |
|
|
}
|
472 |
|
|
}
|
473 |
|
|
}
|
474 |
|
|
}
|
475 |
|
|
}
|
476 |
|
|
|
477 |
|
|
/**
|
478 |
|
|
* Performance gain.
|
479 |
|
|
*
|
480 |
|
|
* Do not remove from 7.x. This function is not available in every core version.
|
481 |
|
|
*
|
482 |
|
|
* @see https://www.drupal.org/node/2339447
|
483 |
|
|
*/
|
484 |
|
|
if (!function_exists('drupal_group_functions_by_prefix')) {
|
485 |
eefc2ac0
|
Assos Assos
|
|
486 |
caf16a48
|
Assos Assos
|
/**
|
487 |
|
|
* Group all user functions by word before first underscore.
|
488 |
|
|
*
|
489 |
|
|
* @return array
|
490 |
|
|
* Functions grouped by the first prefix.
|
491 |
|
|
*/
|
492 |
|
|
function drupal_group_functions_by_prefix() {
|
493 |
|
|
$functions = get_defined_functions();
|
494 |
|
|
$grouped_functions = array();
|
495 |
|
|
|
496 |
|
|
// Splitting user defined functions into groups by the first prefix.
|
497 |
|
|
foreach ($functions['user'] as $function) {
|
498 |
|
|
list($first_prefix,) = explode('_', $function, 2);
|
499 |
|
|
$grouped_functions[$first_prefix][] = $function;
|
500 |
|
|
}
|
501 |
|
|
|
502 |
|
|
return $grouped_functions;
|
503 |
|
|
}
|
504 |
eefc2ac0
|
Assos Assos
|
|
505 |
caf16a48
|
Assos Assos
|
}
|
506 |
|
|
|
507 |
|
|
/**
|
508 |
|
|
* @} End of "addtogroup registry".
|
509 |
|
|
*/ |