Menu Adam R Brown

WP hooks navigation: Home/browseActions indexFilters index

Source View: url_to_postid

To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).

Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
290      global $wp_rewrite;
291
292      /**
293       * Filter the URL to derive the post ID from.
294       *
295       * @since 2.2.0
296       *
297       * @param string $url The URL to derive the post ID from.
298       */
299      $url = apply_filters( 'url_to_postid', $url );
300
301      // First, check to see if there is a 'p=N' or 'page_id=N' to match against
302      if ( preg_match('#[?&](p|page_id|attachment_id)=(\d+)#', $url, $values) )     {
303           $id = absint($values[2]);
304           if ( $id )
305                return $id;
306      }
307
308      // Check to see if we are using rewrite rules