Commits on Dec 7, 2022

1. Core: add sniffs to check formatting for type declarations …

   > 1. Type declarations must have exactly one space before and after the type.
   >    In case of a multi-line function declaration, a new line + appropriate indentation should be used before the type declaration.
   > 2. The nullability operator is regarded as part of the type declaration and there should be no space between this operator and the actual type.
   > 3. Keyword-based type declarations should use lowercase.
   > 4. Class/interface name based type declarations should use the case of the class/interface name as declared.
   >
   > And specifically for return type declarations:
   > 5. There should be no space between the closing parenthesis of the function declaration and the colon starting a return type.
   >
   > These rules apply to all structures allowing for type declarations: functions, closures, catch conditions as well as the PHP 7.4 arrow functions and typed properties.
   
   Refs:
   * https://make.wordpress.org/core/2020/03/20/updating-the-coding-standards-for-modern-php/ - Type declarations
   * https://developer.wordpress.org/coding-standards/wordpress-coding-standards/php/#type-declarations
   * WordPress/wpcs-docs 102
   * WordPress/wpcs-docs 119
   
   Refs regarding return type spacing:
   * WordPress/WordPress-Coding-Standards 547
   * WordPress/WordPress-Coding-Standards 1084
   * WordPress/WordPress-Coding-Standards 1420
   * WordPress/WordPress-Coding-Standards 1421
   
   Closes 547

   

   jrfnl committed Dec 7, 2022
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