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(PECL geoip >= 1.0.1)
geoip_db_avail — Determine if GeoIP Database is available
The geoip_db_avail() function returns if the corresponding GeoIP Database is available and can be opened on disk.
It does not indicate if the file is a proper database, only if it is readable.
The database type as an integer. You can use the various constants defined with this extension (ie: GEOIP_*_EDITION).
Returns TRUE is database exists, FALSE if not found, or NULL on error.
Beispiel #1 A geoip_db_avail() example
This will output the current database version string.
<?php
if (geoip_db_avail(GEOIP_COUNTRY_EDITION))
print geoip_database_info(GEOIP_COUNTRY_EDITION);
?>
Das oben gezeigte Beispiel erzeugt folgende Ausgabe:
GEO-106FREE 20080801 Build 1 Copyright (c) 2006 MaxMind LLC All Rights Reserved
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