Rule declare_strict_types¶
Force strict types declaration in all files. Requires PHP >= 7.0.
Warning¶
Using this rule is risky¶
Forcing strict types will stop non strict code from working.
Examples¶
Example #1¶
--- Original
+++ New
-<?php
+<?php declare(strict_types=1);
\ No newline at end of file
Rule sets¶
The rule is part of the following rule sets:
References¶
Fixer class: PhpCsFixer\Fixer\Strict\DeclareStrictTypesFixer
Test class: PhpCsFixer\Tests\Fixer\Strict\DeclareStrictTypesFixerTest
The test class defines officially supported behaviour. Each test case is a part of our backward compatibility promise.