$group = "(?P<{$i}_{$name}>" . preg_quote( $syn, '/' ) . ')'; MediaWiki API
You are looking at the HTML representation of the XML format.
HTML is good for debugging, but probably is not suitable for your application.
See complete documentation, or API help for more information.
<?xml version="1.0"?>
<api>
  <help>
    <module>* prop=info (in) *
  Get basic page information such as namespace, title, last touched date, ...

This module requires read rights
Parameters:
  inprop         - Which additional properties to get:
                    protection   - List the protection level of each page
                    talkid       - The page ID of the talk page for each non-talk page
                    watched      - List the watched status of each page
                    subjectid    - The page ID of the parent page for each talk page
                    url          - Gives a full URL to the page, and also an edit URL
                    readable     - Whether the user can read this page
                    preload      - Gives the text returned by EditFormPreloadText
                    displaytitle - Gives the way the page title is actually displayed
                   Values (separate with '|'): protection, talkid, watched, subjectid, url, readable, preload, displaytitle
  intoken        - Request a token to perform a data-modifying action on a page
                   Values (separate with '|'): edit, delete, protect, move, block, unblock, email, import
  incontinue     - When more results are available, use this to continue
Examples:
  api.php?action=query&prop=info&titles=Main%20Page
  api.php?action=query&prop=info&inprop=protection&titles=Main%20Page
</module>
  </help>
</api>