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Rule native_function_type_declaration_casing

Native type declarations for functions should use the correct case.

Warning

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

You should use native_type_declaration_casing instead.

Examples

Example #1

--- Original
+++ New
 <?php
 class Bar {
-    public function Foo(CALLABLE $bar)
+    public function Foo(callable $bar)
     {
         return 1;
     }
 }

Example #2

--- Original
+++ New
 <?php
-function Foo(INT $a): Bool
+function Foo(int $a): bool
 {
     return true;
 }

Example #3

--- Original
+++ New
 <?php
-function Foo(Iterable $a): VOID
+function Foo(iterable $a): void
 {
     echo 'Hello world';
 }

Example #4

--- Original
+++ New
 <?php
-function Foo(Object $a)
+function Foo(object $a)
 {
     return 'hi!';
 }

References

• Fixer class: PhpCsFixer\Fixer\Casing\NativeFunctionTypeDeclarationCasingFixer

• Test class: PhpCsFixer\Tests\Fixer\Casing\NativeFunctionTypeDeclarationCasingFixerTest

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