Syntax Working with strings use Symfony\Component\String\ByteString; use Symfony\Component\String\CodePointString; use Symfony\Component\String\UnicodeString; $content = new CodePointString('Hello world'); $content = new UnicodeString('नमस्ते दुनिया'); $content = new ByteString('さよなら'); $content = (new CodePointString('hello'))->toUnicodeString(); $content = UnicodeString::fromCodePoints(0x68, 0x65, 0x6C, 0x6C, 0x6F)->toByteString(); use function Symfony\Component\String\b; use function Symfony\Component\String\u; // both are equivalent $content = b('hello'); $content = new ByteString('hello'); // both are equivalent $content = u('hello'); $content = new UnicodeString('hello'); Object-oriented strings // using PHP functions if ('.html' === substr($theString, -strlen('.html'))) { // ... } // using Symfony's String if (u($theString)->endsWith('.html')) { // ... } $text =u('This is a déjà-vu situation.') ->trimEnd('.') ->replace('déjà-vu', 'jamais-vu') ->append('!'); // $text = 'This is a jamais-vu situation!' u('FOO Bar')->folded(); // 'foo bar' u('Die O\'Brian Straße')->folded(); // "die o'brian strasse" String Slugger use Symfony\Component\String\Slugger\AsciiSlugger; $slugger = new AsciiSlugger(); $slugger->slug('Стойността трябва', '-', 'bg'); // 'Stoinostta-tryabva' $slugger->slug('Αυτή η τιμή πρέπει', '-', 'el'); // 'Avti-i-timi-prepi' $slugger->slug('该变量的值应为', '-', 'zh'); // 'gai-bian-liang-de-zhi-ying-wei' $slugger->slug('Wôrķšƥáçè sèťtïñğš'); // 'Workspace-settings' Twig Integration 'Lorem ipsum'|u.truncate(8, '...') {# prints: Lorem... #} 'SymfonyStringWithTwig'|u.snake {# prints: symfony_string_with_twig #}