PHP Function Reference is the ultimate reference widget for PHP developers. Major features include the following:

• Fast lookup of any PHP function (no network connection required)
• Extensive cheat sheet including regular expressions, $_SERVER variables, fopen() modes, and more
• Interactive date() formatter – enter a date format string and preview the result
• Favorites list – save functions to your favorites for quick retrieval
• Multiple language support – PHPfr ships with the English version of the PHP documentation installed and simple instructions for installing other versions