sample.php

#!/usr/bin/php
<?php

if ( ! extension_loaded ('geoip') ) {
	if ( version_compare (PHP_VERSION, '5.4.0', '>=') ) {
		fprintf (STDERR, "GeoIP extension is not loaded\n");
		exit (1);
	} else if ( version_compare (PHP_VERSION, '5.3.0', '>=') )
		dl ('geoip.so');
	else
		dl ('modules/geoip.so');
}

$searches = array ('oops.org', 'kornet.net', 'yahoo.com');

/*
 * resource GeoIP_open (database, flag)
 * resource GeoIP_open (database_code, flag)
 * resource GeoIP_open (flag)
 * resource GeoIP_open ()
 * 
 * open the geoip database
 *
 * argument info:
 *      database => GeoIP datafile path or database code
 *           database code :
 *                  GEOIP_COUNTRY_EDITION    -> default
 *                  GEOIP_ISP_EDITION        -> isp database (if you have)
 *                  GEOIP_CITY_EDITION_REV0  -> city database (if you have)
 *                  GEOIP_CITY_EDITION_REV1  -> city database (if you have)
 *                  GEOIP_ORG_EDITION        -> org database (if you have)
 *
 *      flag     => GEOIP_STANDARD
 *                  GEOIP_MEMORY_CACHE
 *                  GEOIP_CHECK_CACHE
 *                  GEOIP_INDEX_CACHE
 *
 * if flag is not specifyed, default "GEOIP_MEMORY_CACHE | GEOIP_CHECK_CACHE"
 *
 * if failed, return FALSE
 *
 */

try {
	/* open conutry database */
	$g = GeoIP_open (GEOIP_MEMORY_CACHE|GEOIP_CHECK_CACHE);
	/* open city database */
	if ( GeoIP_db_avail (GEOIP_CITY_EDITION_REV1) )
		$gc = GeoIP_open (GEOIP_CITY_EDITION_REV1, GEOIP_INDEX_CACHE|GEOIP_CHECK_CACHE);
	/* open isp database */
	if ( GeoIP_db_avail (GEOIP_ISP_EDITION) )
		$gi = GeoIP_open (GEOIP_ISP_EDITION, GEOIP_INDEX_CACHE|GEOIP_CHECK_CACHE);

	if ( ! is_resource ($g) )
		exit;

	#echo "TYPE: " . geoip_database_info ($g) ."\n";

	foreach ( $searches as $v ) {
		/*
		 * search geoip country database
		 *
		 * array geoip_id_by_name (geoip handle, host);
		 * return:
		 *      array (
		 *              country_id,
		 *              code,        // code of nation
		 *              name         // name of nation
		 *            );
		 *
		 * string geoip_country_code_by_name (geoip handle, host)
		 * string geoip_country_code_by_name (geoip handle, host)
		 *
		 */
		$r = geoip_id_by_name ($g, $v);
		print_r ($r);

		/* print city information
		 *
		 * array geoip_record_by_name (geoip handle, host)
		 * return:
		 *      array (
		 *              country_code,  // country 2 digit code
		 *              region,        // states or do (korean)
		 *              city,          // name of city
		 *              postal_code,   // postal code or post code
		 *              latitude,
		 *              longitude,
		 *              if ( DB is GEOIP_CITY_EDITION_REV1 ) {
		 *                  dma_code,
		 *                  area_code,
		 *              }
		 *            );
		 */
		if ( is_resource ($gc) ) {
			$rc = GeoIP_record_by_name ($gc, $v);
			print_r ($rc);
		}

		/* print isp information
		 *
		 * string geoip_org_by_name (geoip handle, host)
		 */
		if ( is_resource ($gi) ) {
			$ri = GeoIP_org_by_name ($gi, $v);
			echo "    $ri\n";
		}

		#echo "### " . geoip_country_code_by_name ($g, $v) . "\n";
		#echo "### " . geoip_country_name_by_name ($g, $v) . "\n";
	}

	/*
	 * close geoip database
	 */
	GeoIP_close ($g);
	if ( is_resource ($gc) ) GeoIP_close ($gc);
	if ( is_resource ($gi) ) GeoIP_close ($gi);
} catch ( GeoIPException $e ) {
	fprintf (STDERR, "%s\n", $e->getMessage ());
	$err = preg_split ('/\r?\n/', $e->getTraceAsString ());
	print_r ($err);
}
?>