symfony polyfill-apcu none symfony polyfill-ctype none symfony polyfill-iconv none symfony polyfill-intl-grapheme none symfony polyfill-intl-icu none symfony polyfill-intl-idn none symfony polyfill-intl-messageformatted none symfony polyfill-intl-normalizer none symfony polyfill-mbstring none symfony polyfill-php54 none symfony polyfill-php55 none symfony polyfill-php56 none symfony polyfill-php70 none symfony polyfill-php71 none symfony polyfill-php72 none symfony polyfill-php73 none symfony polyfill-xml none