function EntityAutocompleteMatcher::getMatches

Overrides EntityAutocompleteMatcherInterface::getMatches

File

core/lib/Drupal/Core/Entity/EntityAutocompleteMatcher.php, line 34

Class

EntityAutocompleteMatcher

Matcher class to get autocompletion results for entity reference.

Namespace

Code

public function getMatches($target_type, $selection_handler, $selection_settings, $string = '') {
    $matches = [];
    $options = $selection_settings + [
        'target_type' => $target_type,
        'handler' => $selection_handler,
    ];
    $handler = $this->selectionManager
        ->getInstance($options);
    if (isset($string)) {
        // Get an array of matching entities.
        $match_operator = !empty($selection_settings['match_operator']) ? $selection_settings['match_operator'] : 'CONTAINS';
        $match_limit = isset($selection_settings['match_limit']) ? (int) $selection_settings['match_limit'] : 10;
        $entity_labels = $handler->getReferenceableEntities($string, $match_operator, $match_limit);
        // Loop through the entities and convert them into autocomplete output.
        foreach ($entity_labels as $values) {
            foreach ($values as $entity_id => $label) {
                $key = "{$label} ({$entity_id})";
                // Strip things like starting/trailing white spaces, line breaks and
                // tags.
                $key = preg_replace('/\\s\\s+/', ' ', str_replace("\n", '', trim(Html::decodeEntities(strip_tags($key)))));
                // Names containing commas or quotes must be wrapped in quotes.
                $key = Tags::encode($key);
                $matches[] = [
                    'value' => $key,
                    'label' => $label,
                ];
            }
        }
    }
    return $matches;
}