Docs: For clarity, add some information about the return types of `get_option()`.

Props ReneHermi, johannadevos

See #51278

Built from https://develop.svn.wordpress.org/trunk@49600


git-svn-id: http://core.svn.wordpress.org/trunk@49338 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/option.php

@@ -25,7 +25,8 @@
  *
  * @param string $option  Name of the option to retrieve. Expected to not be SQL-escaped.
  * @param mixed  $default Optional. Default value to return if the option does not exist.
- * @return mixed Value set for the option.
+ * @return mixed Value set for the option. A value of any type may be returned, including
+ *               array, boolean, float, integer, null, object, and string.
  */
 function get_option( $option, $default = false ) {
 	global $wpdb;

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.6-beta4-49599';
+$wp_version = '5.6-beta4-49600';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.