function Registry::getPrefixGroupedUserFunctions

Same name in other branches
  1. 8.9.x core/lib/Drupal/Core/Theme/Registry.php \Drupal\Core\Theme\Registry::getPrefixGroupedUserFunctions()
  2. 10 core/lib/Drupal/Core/Theme/Registry.php \Drupal\Core\Theme\Registry::getPrefixGroupedUserFunctions()
  3. 11.x core/lib/Drupal/Core/Theme/Registry.php \Drupal\Core\Theme\Registry::getPrefixGroupedUserFunctions()

Gets all user functions grouped by the word before the first underscore.

Parameters

$prefixes: An array of function prefixes by which the list can be limited.

Return value

array Functions grouped by the first prefix.

1 call to Registry::getPrefixGroupedUserFunctions()
Registry::postProcessExtension in core/lib/Drupal/Core/Theme/Registry.php
Completes the theme registry adding discovered functions and hooks.

File

core/lib/Drupal/Core/Theme/Registry.php, line 828

Class

Registry
Defines the theme registry service.

Namespace

Drupal\Core\Theme

Code

public function getPrefixGroupedUserFunctions($prefixes = []) {
    $functions = get_defined_functions();
    // If a list of prefixes is supplied, trim down the list to those items
    // only as efficiently as possible.
    if ($prefixes) {
        $theme_functions = preg_grep('/^(' . implode(')|(', $prefixes) . ')_/', $functions['user']);
    }
    else {
        $theme_functions = $functions['user'];
    }
    $grouped_functions = [];
    // Splitting user defined functions into groups by the first prefix.
    foreach ($theme_functions as $function) {
        [
            $first_prefix,
        ] = explode('_', $function, 2);
        $grouped_functions[$first_prefix][] = $function;
    }
    return $grouped_functions;
}

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