Vendor/langcode-conv/zendframework/zend-stdlib/src/StringUtils.php
public static function getRegisteredWrappers()
    {
        if (static::$wrapperRegistry === null) {
            static::$wrapperRegistry = [];

            if (extension_loaded('intl')) {
                static::$wrapperRegistry[] = 'Zend\Stdlib\StringWrapper\Intl';
            }

            if (extension_loaded('mbstring')) {
                static::$wrapperRegistry[] = 'Zend\Stdlib\StringWrapper\MbString';
            }

            if (extension_loaded('iconv')) {
                static::$wrapperRegistry[] = 'Zend\Stdlib\StringWrapper\Iconv';
            }

            static::$wrapperRegistry[] = 'Zend\Stdlib\StringWrapper\Native';
        }

        return static::$wrapperRegistry;
    }
public static function getRegisteredWrappers()
    {
        if (static::$wrapperRegistry === null) {
            static::$wrapperRegistry = [];

            if (extension_loaded('intl')) {
                static::$wrapperRegistry[] = 'Zend\Stdlib\StringWrapper\Intl';
            }

            if (extension_loaded('mbstring')) {
                static::$wrapperRegistry[] = 'Zend\Stdlib\StringWrapper\MbString';
            }

            if (extension_loaded('iconv')) {
                static::$wrapperRegistry[] = 'Zend\Stdlib\StringWrapper\Iconv';
            }

            static::$wrapperRegistry[] = 'Zend\Stdlib\StringWrapper\Native';
        }

        return static::$wrapperRegistry;
    }
public static function getRegisteredWrappers ( ) { if ( static :: $ wrapperRegistry === null ) { static :: $ wrapperRegistry = [ ] ; if ( extension_loaded ( 'intl' ) ) { static :: $ wrapperRegistry [ ] = 'Zend\Stdlib\StringWrapper\Intl' ; } if ( extension_loaded ( 'mbstring' ) ) { static :: $ wrapperRegistry [ ] = 'Zend\Stdlib\StringWrapper\MbString' ; } if ( extension_loaded ( 'iconv' ) ) { static :: $ wrapperRegistry [ ] = 'Zend\Stdlib\StringWrapper\Iconv' ; } static :: $ wrapperRegistry [ ] = 'Zend\Stdlib\StringWrapper\Native' ; } return static :: $ wrapperRegistry ; }
Get registered wrapper classes

@return string[]
Get registered wrapper classes