Cloudlog/application/libraries/Hamqth.php

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

/*
	Controls the interaction with the HamQTH Callbook API
*/


class Hamqth {

	// Return session key
	public function session($username, $password) {
		// URL to the XML Source
		$xml_feed_url = 'https://www.hamqth.com/xml.php?u='.$username.'&p='.$password;

		// CURL Functions
		$ch = curl_init();
		curl_setopt($ch, CURLOPT_URL, $xml_feed_url);
		curl_setopt($ch, CURLOPT_HEADER, false);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
		$xml = curl_exec($ch);
		curl_close($ch);

		// Create XML object
		$xml = simplexml_load_string($xml);

		// Return Session Key
		return (string) $xml->session->session_id;
	}

	// Set Session Key session.
	public function set_session($username, $password) {

		$ci = & get_instance();

		// URL to the XML Source
		$xml_feed_url = 'https://www.hamqth.com/xml.php?u='.$username.'&p='.$password;

		// CURL Functions
		$ch = curl_init();
		curl_setopt($ch, CURLOPT_URL, $xml_feed_url);
		curl_setopt($ch, CURLOPT_HEADER, false);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
		$xml = curl_exec($ch);
		curl_close($ch);

		// Create XML object
		$xml = simplexml_load_string($xml);

		$key = (string) $xml->session->session_id;

		$ci->session->set_userdata('hamqth_session_key', $key);

		return true;
	}


	public function search($callsign, $key)
	{

		// URL to the XML Source
		$xml_feed_url = 'https://www.hamqth.com/xml.php?id='.$key.'&callsign='.$callsign.'&prg=cloudlog';

		// CURL Functions
		$ch = curl_init();
		curl_setopt($ch, CURLOPT_URL, $xml_feed_url);
		curl_setopt($ch, CURLOPT_HEADER, false);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
		$xml = curl_exec($ch);
		curl_close($ch);

		// Create XML object
		$xml = simplexml_load_string($xml);

		// Return Required Fields
		$data['callsign'] = (string) $xml->search->callsign;
		$data['name'] = (string) $xml->search->nick;
		$data['gridsquare'] = (string) $xml->search->grid;
		$data['city'] = (string) $xml->search->adr_city;
		$data['lat'] = (string) $xml->search->latitude;
		$data['long'] = (string) $xml->search->longitude;
		$data['iota'] = (string) $xml->search->iota;
		$data['us_state'] = (string) $xml->search->us_state;
		$data['us_county'] = (string) $xml->search->us_county;
		$data['error'] = (string) $xml->session->error;

		if($xml->search->country == "United States") {
			$data['state'] = (string) $xml->search->us_state;
			$data['us_county'] = (string) $xml->search->us_county;	
		} else {
			$data['state'] = null;
			$data['us_county'] = null;		
		}

		return $data;
	}
}