Concentric Hosting Services Now Support PHP V5

August 30, 2006; 07:32 AM

SAN JOSE, CA – In its continued commitment to provide the best web hosting tools to customers, XO Communications today announced its Concentric web hosting service now supports the latest version of PHP V5.  PHP V5 now runs on the patented Concentric Clustered Hosting platform, which provides a load balanced, redundant, “clustered” infrastructure designed for optimal performance of web applications such as PHP.

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PHP is a widely used, general purpose scripting language that many Concentric customers use to create dynamically driven web sites. “PHP is popular with the developers that use our service and we want to ensure our development community has the most up to date versions of tools it needs,” said Barbara Branaman, vice president and general manager of XO’s hosting business unit.

PHP version 5 adds the following features to its suite of functionality:

• SQLite – an embedded database library for jobs that require less than a full implementation of MySQL.
• XML integration – allows PHP programs to interact with information in a XML document as if these pieces of information were arrays and objects.
• Better object oriented programming style

Concentric, an XO Communications service, offers business-grade web hosting solutions that cost-effectively scale to meet the needs of today’s growing businesses.  As the only hosting service to hold a patent for its Clustered Hosting architecture, Concentric has designed a unique platform that delivers superior performance, reliability and security.  Backed by an industry leading 99.9% SLA, a 3-Month Satisfaction Guarantee along with 24x7 customer care, Concentric offers web site hosting, email, ecommerce, sophisticated junk mail filtering, web builder tools, and online marketing services designed to help companies effectively leverage the power of the Internet. For more information, visit http://www.concentric.com or call 866-500-9696.

About XO Communications

XO Communications, a subsidiary of XO Holdings, Inc. (OTCBB: XOHO.OB), is a leading provider of national and local telecommunications services to businesses, large enterprises and communications service providers.  XO offers a complete portfolio of services, including local and long distance voice, dedicated Internet access, private networking, data transport, and Web hosting services as well as bundled voice and Internet solutions.  XO provides these services over an advanced, nationwide facilities-based IP network and serves 75 metropolitan markets across the United States.  For more information, visit www.xo.com.