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File: zpairporttips.php

<?php
/**
 * Takes in keyword and sends back list of airports containing this keyword in
 * the city name or airport name or IATA location identifier.
 *
 * Part of Zapatec Travel application.
 *
 * Copyright (c) 2004-2006 by Zapatec, Inc.
 * http://www.zapatec.com
 * 1700 MLK Way, Berkeley, California,
 * 94709, U.S.A.
 * All rights reserved.
 */

/* $Id: zpairporttips.php 7323 2007-06-01 21:05:51Z alex $ */

// JSON converter
require_once('JSON.php');
$objJsonConverter = new Services_JSON();

// Include IATA location identifiers
require_once('zpairports.php');

// Will hold result
$arrResult = array();

// Get keyword
$strKeyword = isset($_GET['q']) ? strtoupper($_GET['q']) : '';

// Keyword must contain at least 3 chars, otherwise result will not be precise
if (strlen($strKeyword) > 2) {
	// Search by IATA location identifier
	if (isset($ZP_AIRPORTS[$strKeyword])) {
		// Match
		array_push($arrResult, array(
			'code' => $strKeyword,
			'city' => $ZP_AIRPORTS[$strKeyword]['city'],
			'name' => $ZP_AIRPORTS[$strKeyword]['name']
		));
	}
	// Search by city and name
	foreach ($ZP_AIRPORTS as $strKey => $objValue) {
		if ((preg_match("/^$strKeyword/i", $objValue['city']) ||
		 preg_match("/^$strKeyword/i", $objValue['name'])) &&
		 $strKey != $strKeyword) {
			// Match
			array_push($arrResult, array(
				'code' => $strKey,
				'city' => $objValue['city'],
				'name' => $objValue['name']
			));
		}
	}
}

// Return result
echo $objJsonConverter->encode(array('tips' => $arrResult));

?>