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Insomnia (v3.50.0) edition

Rule not_operator_with_successor_space

Logical NOT operators (!) should have one trailing whitespace.

Examples

Example #1

--- Original
+++ New
 <?php

-if (!$bar) {
+if (! $bar) {
     echo "Help!";
 }

References

The test class defines officially supported behaviour. Each test case is a part of our backward compatibility promise.