Rule `no_trailing_whitespace_in_string`¶

There must be no trailing whitespace at the end of lines in strings.

Warning¶

Changing the whitespaces in strings might affect string comparisons and outputs.

--- Original
+++ New
-<?php $a = '
-    foo
+<?php $a = '
+    foo
 ';

The rule is part of the following rule sets:

The test class defines officially supported behaviour. Each test case is a part of our backward compatibility promise.