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Mountains (v3.2.1) edition

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

Using the @PHP74Migration rule set will enable the assign_null_coalescing_to_coalesce_equal rule.

@PHP80Migration

Using the @PHP80Migration rule set will enable the assign_null_coalescing_to_coalesce_equal rule.

@PHP81Migration

Using the @PHP81Migration rule set will enable the assign_null_coalescing_to_coalesce_equal rule.

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