Rule void_return¶
Add void return type to functions with missing or empty return statements,
but priority is given to @return annotations. Requires PHP >= 7.1.
Warning¶
Using this rule is risky¶
Modifies the signature of functions.
Examples¶
Example #1¶
--- Original
+++ New
<?php
-function foo($a) {};
+function foo($a): void {};
Rule sets¶
The rule is part of the following rule sets:
References¶
Fixer class: PhpCsFixer\Fixer\FunctionNotation\VoidReturnFixer
Test class: PhpCsFixer\Tests\Fixer\FunctionNotation\VoidReturnFixerTest
The test class defines officially supported behaviour. Each test case is a part of our backward compatibility promise.