public static function Language::sort in Drupal 8

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Language/Language.php \Drupal\Core\Language\Language::sort()

Sort language objects.

Parameters

\Drupal\Core\Language\LanguageInterface[] $languages: The array of language objects keyed by langcode.

3 calls to Language::sort()

ConfigurableLanguageManager::getLanguages in core/modules/language/src/ConfigurableLanguageManager.php

Returns a list of languages set up on the site.

ConfigurableLanguageManager::getNativeLanguages in core/modules/language/src/ConfigurableLanguageManager.php

Returns a list of languages set up on the site in their native form.

LanguageUnitTest::testSortArrayOfLanguages in core/tests/Drupal/Tests/Core/Language/LanguageUnitTest.php

Tests sorting an array of language objects.

File

core/lib/Drupal/Core/Language/Language.php, line 146

Class

Language

An object containing the information for an interface language.

Namespace

Drupal\Core\Language

Code

public static function sort(&$languages) {
  uasort($languages, function (LanguageInterface $a, LanguageInterface $b) {
    $a_weight = $a
      ->getWeight();
    $b_weight = $b
      ->getWeight();
    if ($a_weight == $b_weight) {
      $a_name = $a
        ->getName();
      $b_name = $b
        ->getName();

      // If either name is a TranslatableMarkup object it can not be converted
      // to a string. This is because translation requires a sorted list of
      // languages thereby causing an infinite loop. Determine the order based
      // on ID if this is the case.
      if ($a_name instanceof TranslatableMarkup || $b_name instanceof TranslatableMarkup) {
        $a_name = $a
          ->getId();
        $b_name = $b
          ->getId();
      }
      return strnatcasecmp($a_name, $b_name);
    }
    return $a_weight < $b_weight ? -1 : 1;
  });
}