options and arguments highly inspired from python optparse module, it allows the developer to easily build complex command line interfaces.
Main features: * handles sub commands (ie. $ myscript.php -q subcommand -f file), * can be completely built from an xml definition file, * generate --help and --version options automatically, * can be completely customized, * builtin support for i18n, * and much more...
Release Notes - 0.2.0
Features and changes - Implemented feature request #18582 (From pear.php.net) add possibility to require a subcommand - Implemented feature request #18583 (From pear.php.net) default values for arguments - removed the enclosing "< >" on argument names (it looks better IMO).
Bug Fixes - Fixed bug #18584 (From pear.php.net) optional arguments not shown as optional