Rule ternary_to_null_coalescing¶
Use null coalescing operator ?? where possible. Requires PHP >= 7.0.
Examples¶
Example #1¶
--- Original
+++ New
<?php
-$sample = isset($a) ? $a : $b;
+$sample = $a ?? $b;
Rule sets¶
The rule is part of the following rule sets:
References¶
Fixer class: PhpCsFixer\Fixer\Operator\TernaryToNullCoalescingFixer
Test class: PhpCsFixer\Tests\Fixer\Operator\TernaryToNullCoalescingFixerTest
The test class defines officially supported behaviour. Each test case is a part of our backward compatibility promise.