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Source View: url_to_postid

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Line Code
220  *
221  * @since 1.0.0
222  *
223  * @param string $url Permalink to check.
224  * @return int Post ID, or 0 on failure.
225  */
226 function url_to_postid($url) {
227      global $wp_rewrite;
228
229      $url = apply_filters('url_to_postid', $url);
230
231      // First, check to see if there is a 'p=N' or 'page_id=N' to match against
232      if ( preg_match('#[?&](p|page_id|attachment_id)=(\d+)#', $url, $values) )     {
233           $id = absint($values[2]);
234           if ($id)
235                return $id;
236      }
237
238      // Check to see if we are using rewrite rules