Docs: Document default values for optional parameters in `wp_insert_a…

…ttachment()`.

This adds the missing mentions of default value for the `$file` and `$parent_post_id` parameters.

Follow-up to [2921], [3092], [3303], [3851], [6155], [6379], [8669], [15590], [28788], [38408], [49936], [55021].

Props wpfy.
Fixes #58043.
Built from https://develop.svn.wordpress.org/trunk@55617


git-svn-id: http://core.svn.wordpress.org/trunk@55129 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/post.php

@@ -6135,8 +6135,8 @@ function is_local_attachment( $url ) {
  * @see wp_insert_post()
  *
  * @param string|array $args             Arguments for inserting an attachment.
- * @param string|false $file             Optional. Filename.
- * @param int          $parent_post_id   Optional. Parent post ID.
+ * @param string|false $file             Optional. Filename. Default false.
+ * @param int          $parent_post_id   Optional. Parent post ID. Default 0.
  * @param bool         $wp_error         Optional. Whether to return a WP_Error on failure. Default false.
  * @param bool         $fire_after_hooks Optional. Whether to fire the after insert hooks. Default true.
  * @return int|WP_Error The attachment ID on success. The value 0 or WP_Error on failure.

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.3-alpha-55616';
+$wp_version = '6.3-alpha-55617';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.