首页
学习
活动
专区
工具
TVP
发布
精选内容/技术社群/优惠产品,尽在小程序
立即前往

geoip_db_avail

(PECL geoip >= 1.0.1)

geoip_db_avail — Determine if GeoIP Database is available

Description

代码语言:javascript
复制
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.

代码语言:javascript
复制
<?php

if?(geoip_db_avail(GEOIP_COUNTRY_EDITION))
????print?geoip_database_info(GEOIP_COUNTRY_EDITION);
?>

The above example will output:

代码语言:javascript
复制
GEO-106FREE 20080801 Build 1 Copyright (c) 2006 MaxMind LLC All Rights Reserved

← geoip_database_info

geoip_db_filename →

代码语言:txt
复制
 ? 1997–2017 The PHP Documentation Group

Licensed under the Creative Commons Attribution License v3.0 or later.

扫码关注腾讯云开发者

领取腾讯云代金券

http://www.vxiaotou.com