Docs: Add and correct @since docs for a variety of functions and methods.

Props keesiemeijer, chris_dev
Fixes #39343, #39357, #39344
See #39130


git-svn-id: https://develop.svn.wordpress.org/trunk@39638 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/functions.php

@@ -1921,6 +1921,7 @@ function wp_upload_dir( $time = null, $create_dir = true, $refresh_cache = false
 /**
  * A non-filtered, non-cached version of wp_upload_dir() that doesn't check the path.
  *
+ * @since 4.5.0
  * @access private
  *
  * @param string $time Optional. Time formatted in 'yyyy/mm'. Default null.
@@ -5108,6 +5109,8 @@ function _device_can_upload() {
 /**
  * Test if a given path is a stream URL
  *
+ * @since 3.5.0
+ *
  * @param string $path The resource path or URL.
  * @return bool True if the path is a stream URL.
  */