Rule `nullable_type_declaration_for_default_null_value`¶

Adds or removes ? before type declarations for parameters with a default null value.

Description¶

Rule is applied only in a PHP 7.1+ environment.

Whether to add or remove ? before type declarations for parameters with a default null value.

Allowed types: bool

Default value: true

Default configuration.

--- Original
+++ New
 <?php
-function sample(string $str = null)
+function sample(?string $str = null)
 {}

With configuration: ['use_nullable_type_declaration' => false].

--- Original
+++ New
 <?php
-function sample(?string $str = null)
+function sample(string $str = null)
 {}

The rule is part of the following rule set:

@Symfony

Using the @Symfony rule set will enable the nullable_type_declaration_for_default_null_value rule with the config below:

['use_nullable_type_declaration' => false]