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Source View: url_to_postid

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Line Code
282  *
283  * @since 1.0.0
284  *
285  * @param string $url Permalink to check.
286  * @return int Post ID, or 0 on failure.
287  */
288 function url_to_postid($url) {
289      global $wp_rewrite;
290
291      $url = apply_filters('url_to_postid', $url);
292
293      // First, check to see if there is a 'p=N' or 'page_id=N' to match against
294      if ( preg_match('#[?&](p|page_id|attachment_id)=(\d+)#', $url, $values) )     {
295           $id = absint($values[2]);
296           if ( $id )
297                return $id;
298      }
299
300      // Check to see if we are using rewrite rules