Same name and namespace in other branches

1. 9 core/lib/Drupal/Component/Utility/Tags.php \Drupal\Component\Utility\Tags::explode()
2. 8.9.x core/lib/Drupal/Component/Utility/Tags.php \Drupal\Component\Utility\Tags::explode()
3. 11.x core/lib/Drupal/Component/Utility/Tags.php \Drupal\Component\Utility\Tags::explode()

Explodes a string of tags into an array.

Parameters

string $tags: A string to explode.

Return value

array An array of tags.

8 calls to Tags::explode()

EntityAutocomplete::validateEntityAutocomplete in core/lib/Drupal/Core/Entity/Element/EntityAutocomplete.php

Form element validation handler for entity_autocomplete elements.

EntityAutocompleteController::handleAutocomplete in core/modules/system/src/Controller/EntityAutocompleteController.php

Autocomplete the label of an entity.

TagsTest::testExplodeTags in core/tests/Drupal/Tests/Core/Common/TagsTest.php

Explodes a series of tags.

TagsTest::testImplodeTags in core/tests/Drupal/Tests/Core/Common/TagsTest.php

Implodes a series of tags.

UnpublishByKeywordComment::submitConfigurationForm in core/modules/comment/src/Plugin/Action/UnpublishByKeywordComment.php

Form submission handler.

... See full list

File

core/lib/Drupal/Component/Utility/Tags.php, line 21

Class

Tags

Defines a class that can explode and implode tags.

Namespace

Drupal\Component\Utility

Code

public static function explode($tags) {
    // This regexp allows the following types of user input:
    // this, "somecompany, llc", "and ""this"" w,o.rks", foo bar
    $regexp = '%(?:^|,\\ *)("(?>[^"]*)(?>""[^"]* )*"|(?: [^",]*))%x';
    preg_match_all($regexp, $tags, $matches);
    $typed_tags = array_unique($matches[1]);
    $tags = [];
    foreach ($typed_tags as $tag) {
        // If a user has escaped a term (to demonstrate that it is a group,
        // or includes a comma or quote character), we remove the escape
        // formatting so to save the term into the database as the user intends.
        $tag = trim(str_replace('""', '"', preg_replace('/^"(.*)"$/', '\\1', $tag)));
        if ($tag != "") {
            $tags[] = $tag;
        }
    }
    return $tags;
}

---