<?php

/* SnoopyPlus extends Snoopy, adding some new methods for querying returned HTTP headers
   Note: This class expects you to only use it once - fetching multiple pages with the 
   same SnoopyPlus instance could have unexpected results

   Simon Willison, 28th October 2002
   
*/

class SnoopyPlus extends Snoopy {
    var $headers_array = array();
    var $headers_parsed = false;
    function parse_headers() {
        // Only parse headers if they haven't already been parsed
        if ($this->headers_parsed) {
            return;
        }
        // Skip the first header, so start $i at 1
        for ($i = 1; $i < count($this->headers); $i++) {
            $header = $this->headers[$i];
            list($key, $value) = explode(':', $header);
            $key = strtolower(trim($key));
            $value = trim($value);
            $this->headers_array[$key] = $value;
        }
    }
    function getHeader($key) {
        $this->parse_headers();
        if (in_array(strtolower($key), array_keys($this->headers_array))) {
            return $this->headers_array[strtolower($key)];
        } else {
            // Header does not exist
            return false;
        }
    }
    function getHeaders() {
        $this->parse_headers();
        return $this->headers_array;
    }
}

?>