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I ate three cookies 🍪 (v3.40.2) edition

Rule lowercase_keywords

PHP keywords MUST be in lower case.

Examples

Example #1

--- Original
+++ New
 <?php
-    FOREACH($a AS $B) {
-        TRY {
-            NEW $C($a, ISSET($B));
-            WHILE($B) {
-                INCLUDE "test.php";
+    foreach($a as $B) {
+        try {
+            new $C($a, isset($B));
+            while($B) {
+                include "test.php";
             }
-        } CATCH(\Exception $e) {
-            EXIT(1);
+        } catch(\Exception $e) {
+            exit(1);
         }
     }

Rule sets

The rule is part of the following rule sets:

Source class

PhpCsFixer\Fixer\Casing\LowercaseKeywordsFixer