Rule assign_null_coalescing_to_coalesce_equal¶
Use the null coalescing assignment operator ??= where possible.
Examples¶
Example #1¶
--- Original
+++ New
<?php
-$foo = $foo ?? 1;
+$foo ??= 1;
Rule sets¶
The rule is part of the following rule sets:
@PHP74Migration (deprecated)
@PHP80Migration (deprecated)
@PHP81Migration (deprecated)
@PHP82Migration (deprecated)
@PHP83Migration (deprecated)
@PHP84Migration (deprecated)
@PHP85Migration (deprecated)
References¶
Fixer class: PhpCsFixer\Fixer\Operator\AssignNullCoalescingToCoalesceEqualFixer
Test class: PhpCsFixer\Tests\Fixer\Operator\AssignNullCoalescingToCoalesceEqualFixerTest
The test class defines officially supported behaviour. Each test case is a part of our backward compatibility promise.