paginate_links: fix conditional return type

functionMap.php

@@ -172,7 +172,7 @@
     'mysql2date' => ["(\$format is 'G'|'U' ? int|false : string|false)"],
     'newblog_notify_siteadmin' => [null, 'deprecated' => "''"],
     'next_posts' => ['($display is true ? void : string)'],
-    'paginate_links' => ["(\$args is array{total: int<min, 1>, ...} ? void : (\$args is array{type: 'array', ...} ? list<string> : string))"],
+    'paginate_links' => ["(\$args is array{total: int<min, 1>, ...} ? null : (\$args is array{type: 'array', ...} ? list<string> : string))"],
     'path_is_absolute' => ['($path is non-falsy-string ? bool : false)', '@phpstan-assert-if-true =non-falsy-string $path' => ''],
     'path_join' => ['non-falsy-string'],
     'post_type_archive_title' => ['($display is true ? void : string|void)'],

tests/data/return/paginate-links.php

@@ -1,21 +1,13 @@
 <?php
 
-/**
- * Note:
- * Starting from PHPStan 1.10.49, void types, including void in unions, are
- * transformed into null.
- *
- * @link https://github.com/phpstan/phpstan-src/pull/2778
- */
-
 declare(strict_types=1);
 
 namespace PhpStubs\WordPress\Core\Tests;
 
 use function paginate_links;
 use function PHPStan\Testing\assertType;
 
-// Returns void
+// Returns null
 assertType('null', paginate_links(['total' => Faker::negativeInt(), 'key' => 'value']));
 assertType('null', paginate_links(['total' => 0, 'key' => 'value']));
 assertType('null', paginate_links(['total' => 1, 'key' => 'value']));

wordpress-stubs.php

@@ -120859,7 +120859,7 @@ function has_term($term = '', $taxonomy = '', $post = \null)
      * @phpstan-param array{
      *   taxonomy?: string,
      * } $args
-     * @phpstan-param string|array{taxonomy?:string,...} $args
+     * @phpstan-param array{taxonomy?:string,...} $args
      * @phpstan-return ($args is array{fields: 'count', ...} ? list<numeric-string> : ($args is array{fields: 'names'|'slugs', ...} ? list<string> : ($args is array{fields: 'id=>name'|'id=>slug', ...} ? array<int, string> : ($args is array{fields: 'id=>parent', ...} ? array<int, int> : ($args is array{fields: 'ids'|'tt_ids', ...} ? list<int> : array<int, \WP_Term>)))))
      */
     function get_categories($args = '')
@@ -137494,7 +137494,7 @@ function language_attributes($doctype = 'html')
      *   before_page_number?: string,
      *   after_page_number?: string,
      * } $args
-     * @phpstan-return ($args is array{total: int<min, 1>, ...} ? void : ($args is array{type: 'array', ...} ? list<string> : string))
+     * @phpstan-return ($args is array{total: int<min, 1>, ...} ? null : ($args is array{type: 'array', ...} ? list<string> : string))
      */
     function paginate_links($args = '')
     {