# geoip_db_avail

(PECL geoip >= 1.0.1)

geoip_db_avail — Determine if GeoIP Database is available

### Descripción

geoip_db_avail(int `$database`): bool

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.

### Parámetros

`database`

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

### Valores devueltos

Returns `true` is database exists, `false` if not found, or `null` on error.

### Ejemplos

Ejemplo #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);
?>`

El resultado del ejemplo sería:

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