Check heredoc/nowdoc indentation (#38)

Author: MidnightDesign

php-cs-fixer-rules.php

@@ -28,6 +28,9 @@
         'import_constants' => true,
         'import_functions' => true,
     ],
+    'heredoc_indentation' => [
+        'indentation' => 'start_plus_one',
+    ],
     'native_constant_invocation' => [
         'scope' => 'namespaced',
         'strict' => true,

tests/RulesTest.php

@@ -27,6 +27,9 @@ final class RulesTest extends TestCase
         // for `strlen()`.
         ['global-function-not-imported.php', 'php-cs-fixer'],
         ['global-constant-not-imported.php', 'php-cs-fixer'],
+        // PHPCS doesn't seem to have a rule for heredoc/nowdoc indentation
+        ['NowdocNotIndented.php', 'phpcs'],
+        ['HeredocNotIndented.php', 'phpcs'],
     ];
 
     private static function phpCsFixerCommand(string $file): string

tests/fixtures/invalid/HeredocNotIndented.php

@@ -0,0 +1,12 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Test;
+
+class HeredocNotIndented
+{
+    private const MY_NOWDOC = <<<HEREDOC
+not indented!
+HEREDOC;
+}

tests/fixtures/invalid/NowdocNotIndented.php

@@ -0,0 +1,12 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Test;
+
+class NowdocNotIndented
+{
+    private const MY_NOWDOC = <<<'NOWDOC'
+not indented!
+NOWDOC;
+}

tests/fixtures/valid/PrivateConstHeredoc.php

@@ -0,0 +1,12 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Test;
+
+class PrivateConstHeredoc
+{
+    private const MY_NOWDOC = <<<HEREDOC
+        indented!
+        HEREDOC;
+}

tests/fixtures/valid/PrivateConstNowdoc.php

@@ -0,0 +1,12 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Test;
+
+class PrivateConstNowdoc
+{
+    private const MY_NOWDOC = <<<'NOWDOC'
+        indented!
+        NOWDOC;
+}