Same name in other branches

1. 9 core/lib/Drupal/Core/Theme/Registry.php \Drupal\Core\Theme\Registry::get()
2. 8.9.x core/lib/Drupal/Core/Theme/Registry.php \Drupal\Core\Theme\Registry::get()
3. 10 core/lib/Drupal/Core/Theme/Registry.php \Drupal\Core\Theme\Registry::get()

Returns the complete theme registry from cache or rebuilds it.

Return value

array The complete theme registry data array.

See also

Registry::$registry

File

core/lib/Drupal/Core/Theme/Registry.php, line 242

Class

Registry

Defines the theme registry service.

Namespace

Drupal\Core\Theme

Code

public function get() {
    $this->init($this->themeName);
    if ($cached = $this->cacheGet()) {
        return $cached;
    }
    // If called from inside a Fiber, suspend it, this may allow another code
    // path to begin an asynchronous operation before we do the CPU-intensive
    // task of building the theme registry.
    if (\Fiber::getCurrent() !== NULL) {
        \Fiber::suspend();
        // When the Fiber is resumed, check the cache again since it may have been
        // built in the meantime, either in this process or via a different
        // request altogether.
        if ($cached = $this->cacheGet()) {
            return $cached;
        }
    }
    // Some theme hook implementations such as the one in Views request a lot of
    // information such as field schemas. These might be broken until an update
    // is run, so we need to build a limited registry while on update.php.
    if ($this->kernel instanceof UpdateKernel) {
        $module_list = $this->moduleHandler
            ->getModuleList();
        $filter_list = array_intersect_key($module_list, [
            'system' => TRUE,
        ]);
        // Call ::build() with only the system module and then revert.
        $this->moduleHandler
            ->setModuleList($filter_list);
        $this->build();
        $this->moduleHandler
            ->setModuleList($module_list);
        // We might have poisoned the cache with only info from 'system'.
        $this->cache
            ->delete("theme_registry:build:modules");
    }
    else {
        $this->build();
        // Only persist it if all modules are loaded to ensure it is complete.
        if ($this->moduleHandler
            ->isLoaded()) {
            $this->setCache();
        }
    }
    return $this->registry[$this->theme
        ->getName()];
}

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