Determine if GeoIP Database is available

geoip_database_info
geoip_db_filename
GeoIP Functions
PHP Manual

# geoip_db_avail

(PECL geoip >= 1.0.1)

geoip_db_avail — Determine if GeoIP Database is available

### Description

bool geoip_db_avail ( int `$database` )

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.

### Parameters

`database`

  The database type as an integer. You can use the various constants defined with this extension (ie: GEOIP_*_EDITION).

### Return Values

Returns `TRUE` is database exists, `FALSE` if not found, or `NULL` on error.

### Examples

Example #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);
?>`

The above example will output:

    GEO-106FREE 20080801 Build 1 Copyright (c) 2006 MaxMind LLC All Rights Reserved

geoip_database_info
geoip_db_filename
GeoIP Functions
PHP Manual