ternary_to_null_coalescing.rst

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:

@PHP70Migration

Using the @PHP70Migration rule set will enable the ternary_to_null_coalescing rule.

@PHP71Migration

Using the @PHP71Migration rule set will enable the ternary_to_null_coalescing rule.

@PHP73Migration

Using the @PHP73Migration rule set will enable the ternary_to_null_coalescing rule.

@PHP74Migration

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

@PHP80Migration

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