no_short_bool_cast.rst

Rule no_short_bool_cast

Short cast bool using double exclamation mark should not be used.

Examples

Example #1

--- Original
+++ New
 <?php
-$a = !!$b;
+$a = (bool)$b;

Rule sets

The rule is part of the following rule sets:

• @PhpCsFixer
• @Symfony

References

• Fixer class: PhpCsFixer\Fixer\CastNotation\NoShortBoolCastFixer
• Test class: PhpCsFixer\Tests\Fixer\CastNotation\NoShortBoolCastFixerTest

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