Added a new function that allows to capitalize the first letter of all words

Author: sebprt

src/StringExpressionLanguageProvider.php

@@ -24,6 +24,7 @@ public function getFunctions(): array
             ExpressionFunction::fromPhp('strip_tags', 'stripHtml'),
             ExpressionFunction::fromPhp('json_decode', 'decode'),
             ExpressionFunction::fromPhp('preg_replace', 'replaceByExpression'),
+            ExpressionFunction::fromPhp('ucwords', 'capitalizeWords'),
             new FileName('fileName'),
             new DateTime('dateTime'),
             new FormatDate('formatDate'),