bug #20169 [ExpressionLanguage] Fix uncaught ArgumentCountError (novah77)

This PR was submitted for the 7.1 branch but it was merged into the 6.4 branch instead.

Discussion
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[ExpressionLanguage] Fix uncaught ArgumentCountError

Set second argument with an empty array for the two instructions to get rid of the fatal error uncaught argumentError

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Commits
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be4428d Fix Uncaught ArgumentCountError

Author: OskarStark

components/expression_language.rst

@@ -99,11 +99,11 @@ other hand, returns a boolean indicating if the expression is valid or not::
 
     $expressionLanguage = new ExpressionLanguage();
 
-    var_dump($expressionLanguage->parse('1 + 2'));
+    var_dump($expressionLanguage->parse('1 + 2', []));
     // displays the AST nodes of the expression which can be
     // inspected and manipulated
 
-    var_dump($expressionLanguage->lint('1 + 2')); // displays true
+    var_dump($expressionLanguage->lint('1 + 2', [])); // displays true
 
 Passing in Variables
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