All PHP news in one place in this list of PHP Weblogs.
www.planet-php.net
Complete manual that explains all elements of the PHP language.
php.net/manual/en/index.php
Open source, high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by alleviating database load.
www.memcached.org
Free PHP SQL tutorials, references, and examples for Web building. Complete references of all PHP functions. The PHP Certificate documents your knowledge of PHP and SQL (MySQL).
www.w3schools.com/php/
A free database software tool written in PHP intended to handle the administration of MySQL over the Web. Supports a wide range of operations with MySQL.
www.phpmyadmin.net
Requests a geo-IP-server to check, returns where an IP is located (host, state, country, town).
css-tricks.com/snippets/php/get-geo-ip-information/
PECL is a repository for PHP Extensions, providing a directory of all known extensions and hosting facilities for downloading and development of PHP extensions. The packaging and distribution system used by PECL is shared with its sister PEAR.
pecl.php.net
A template engine for PHP, facilitating the separation of presentation (HTML/CSS) from application logic. This implies that PHP code is application logic, and is separated from the presentation. Feature completeness, and easily extendable to your...
www.smarty.net
A clean and classy framework for PHP web development. Freeing you from spaghetti code, Laravel helps you create wonderful applications using simple, expressive syntax.
laravel.com
A website dedicated to learning and teaching PHP. Here you will find a forum consisting of 105,092 members who have posted a total of 1,164,500 posts on the forums. Additionally, we have tutorials covering various aspects of PHP and you will find ...
phpfreaks.com