Merge pull request #2 from php-etl/feature/add-trim-function

Feature/add trim function + filename function

Author: gplanchat

src/StringExpressionLanguageProvider.php

@@ -11,7 +11,9 @@ public function getFunctions(): array
     {
         return [
             ExpressionFunction::fromPhp('sprintf', 'format'),
-            new FileName('fileName')
+            ExpressionFunction::fromPhp('trim', 'trim'),
+            ExpressionFunction::fromPhp('str_replace', 'replace'),
+            new FileName('fileName'),
         ];
     }
 }