| php Programming Glossary: meowCan I include code into a PHP class? http://stackoverflow.com/questions/1957732/can-i-include-code-into-a-php-class  this php Meowing.php interface Meowing public function meow Now you got the contract that all Meowing Behaviors must obey.. that all Meowing Behaviors must obey namely having a meow method. Next define a Meowing Behavior php RegularMeow.php class.. class RegularMeow implements Meowing public function meow  return 'meow'  Now to use it use php Cat.php class Cat protected.. 
 SimpleXML: append one tree to another http://stackoverflow.com/questions/3418019/simplexml-append-one-tree-to-another  a b c dictionary ' kitty new SimpleXMLElement ' cat sound meow sound texture fuzzy texture cat ' Create new DOMElements from.. 
 How do I chain methods in PHP? http://stackoverflow.com/questions/7549423/how-do-i-chain-methods-in-php  seeing the same in PHP so I wrote this class cat function meow echo meow function purr echo purr kitty new cat kitty meow purr.. same in PHP so I wrote this class cat function meow echo meow function purr echo purr kitty new cat kitty meow purr I cannot.. meow echo meow function purr echo purr kitty new cat kitty meow purr I cannot get the chain to work. It generates a fatal error.. 
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