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Rule single_blank_line_before_namespace

There should be exactly one blank line before a namespace declaration.

Warning

This rule is deprecated and will be removed in the next major version

You should use blank_lines_before_namespace instead.

Examples

Example #1

--- Original
+++ New
-<?php  namespace A {}
+<?php
+
+namespace A {}

Example #2

--- Original
+++ New
 <?php

-
 namespace A{}

References

• Fixer class: PhpCsFixer\Fixer\NamespaceNotation\SingleBlankLineBeforeNamespaceFixer

• Test class: PhpCsFixer\Tests\Fixer\NamespaceNotation\SingleBlankLineBeforeNamespaceFixerTest

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