function MapFieldIter::key

Return the current key.

@todo need to add return type mixed (require update php version to 8.0)

Return value

object The current key.

File

vendor/google/protobuf/src/Google/Protobuf/Internal/MapFieldIter.php, line 77

Class

MapFieldIter

MapFieldIter is used to iterate MapField. It is also need for the foreach syntax.

Namespace

Google\Protobuf\Internal

Code

public function key() {
    $key = key($this->container);
    switch ($this->key_type) {
        case GPBType::INT64:
        case GPBType::UINT64:
        case GPBType::FIXED64:
        case GPBType::SFIXED64:
        case GPBType::SINT64:
            if (PHP_INT_SIZE === 8) {
                return $key;
            }
        // Intentionally fall through
        case GPBType::STRING:
            // PHP associative array stores int string as int for key.
            return strval($key);
        case GPBType::BOOL:
            // PHP associative array stores bool as integer for key.
            return boolval($key);
        default:
            return $key;
    }
}