http://www.countryipblocks.net Security Solutions With Searchable IP Block Database Fri, 03 Feb 2012 21:52:09 +0000 en hourly 1 http://wordpress.org/?v=3.2.1 http://www.countryipblocks.net/networking/validating-ip-addresses-using-php/ http://www.countryipblocks.net/networking/validating-ip-addresses-using-php/#comments Mon, 05 Oct 2009 19:29:24 +0000 Stewart White http://www.countryipblocks.net/?p=366 PHP 5.2+ offer an excellent function for validating IP Addresses: filter_var(). The filter_var() function offers several flags: FILTER_VALIDATE_IP, FILTER_FLAG_IPV4, FILTER_FLAG_IPV6, FILTER_FLAG_NO_PRIV_RANGE and FILTER_FLAG_NO_RES_RANGE, used to filter or validate IP addresses based on whether the address is IPv4, IPv6 or within a reserved or private network range. For the purpose of illustration, let’s assume we want [...]

posted in Networking by Stewart White Leave A Comment
©2012 Country IP Blocks™. All Rights Reserved.Please visit us at Country IP Blocks. We apprciate your patronage.

]]> http://www.countryipblocks.net/networking/validating-ip-addresses-using-php/feed/ 3