-/**
- * Perform a HTTP HEAD or GET request.
- *
- * If $file_path is a writable filename, this will do a GET request and write
- * the file to that path.
- *
- * @since 2.5.0
- *
- * @param string $url URL to fetch.
- * @param string|bool $file_path Optional. File path to write request to. Default false.
- * @param int $red Optional. The number of Redirects followed, Upon 5 being hit,
- * returns false. Default 1.
- * @return bool|string False on failure and string of headers if HEAD request.
- */
-function wp_get_http( $url, $file_path = false, $red = 1 ) {
- @set_time_limit( 60 );
-
- if ( $red > 5 )
- return false;
-
- $options = array();
- $options['redirection'] = 5;
-
- if ( false == $file_path )
- $options['method'] = 'HEAD';
- else
- $options['method'] = 'GET';
-
- $response = wp_safe_remote_request( $url, $options );
-
- if ( is_wp_error( $response ) )
- return false;
-
- $headers = wp_remote_retrieve_headers( $response );
- $headers['response'] = wp_remote_retrieve_response_code( $response );
-
- // WP_HTTP no longer follows redirects for HEAD requests.
- if ( 'HEAD' == $options['method'] && in_array($headers['response'], array(301, 302)) && isset( $headers['location'] ) ) {
- return wp_get_http( $headers['location'], $file_path, ++$red );
- }
-
- if ( false == $file_path )
- return $headers;
-
- // GET request - write it to the supplied filename
- $out_fp = fopen($file_path, 'w');
- if ( !$out_fp )
- return $headers;
-
- fwrite( $out_fp, wp_remote_retrieve_body( $response ) );
- fclose($out_fp);
- clearstatcache();
-
- return $headers;
-}
-