function system_region_list

Same name in other branches
  1. 7.x modules/system/system.module \system_region_list()
  2. 9 core/modules/system/system.module \system_region_list()
  3. 10 core/modules/system/system.module \system_region_list()
  4. 11.x core/modules/system/system.module \system_region_list()

Get a list of available regions from a specified theme.

Parameters

\Drupal\Core\Extension\Extension|string $theme: A theme extension object, or the name of a theme.

$show: Possible values: REGIONS_ALL or REGIONS_VISIBLE. Visible excludes hidden regions.

Return value

An array of regions in the form $region['name'] = 'description'.

11 calls to system_region_list()
Block::preSave in core/modules/block/src/Entity/Block.php
Acts on an entity before the presave hook is invoked.
BlockController::getVisibleRegionNames in core/modules/block/src/Controller/BlockController.php
Returns the human-readable list of regions keyed by machine name.
BlockForm::form in core/modules/block/src/BlockForm.php
Gets the actual form array to be built.
BlockForm::themeSwitch in core/modules/block/src/BlockForm.php
Handles switching the available regions based on the selected theme.
BlockListBuilder::systemRegionList in core/modules/block/src/BlockListBuilder.php
Wraps system_region_list().

... See full list

File

core/modules/system/system.module, line 1036

Code

function system_region_list($theme, $show = REGIONS_ALL) {
    if (!$theme instanceof Extension) {
        $themes = \Drupal::service('theme_handler')->listInfo();
        if (!isset($themes[$theme])) {
            return [];
        }
        $theme = $themes[$theme];
    }
    $list = [];
    $info = $theme->info;
    // If requested, suppress hidden regions. See block_admin_display_form().
    foreach ($info['regions'] as $name => $label) {
        if ($show == REGIONS_ALL || !isset($info['regions_hidden']) || !in_array($name, $info['regions_hidden'])) {
            $list[$name] = t($label);
        }
    }
    return $list;
}

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