Class AwlCache

A simple Memcached wrapper supporting namespacing of stored values.

License: v2 or later
Author: Andrew McMillan
Located at AwlCache.php

Methods summary
`public`	# `__construct( )` Initialise the cache connection. We use getpid() to give us a persistent connection. Initialise the cache connection. We use getpid() to give us a persistent connection.
`public`	# `isActive( )` So we can find out if we are actually using the cache. So we can find out if we are actually using the cache.
`public`	# `get( $namespace, $key )` get a value from the specified namespace / key get a value from the specified namespace / key Parameters `$namespace` `$key`
`public`	# `set( $namespace, $key, $value, $expiry = 864000 )` Set a value for the specified namespace/key, perhaps with an expiry (default 10 days) Set a value for the specified namespace/key, perhaps with an expiry (default 10 days) Parameters `$namespace` `$key` `$value` `$expiry`
`public`	# `delete( $namespace, $key )` Delete a value from a namespace/key, or for everything in a namespace if a 'null' key is supplied. Delete a value from a namespace/key, or for everything in a namespace if a 'null' key is supplied. Parameters `$namespace` `$key`
`public`	# `flush( )` Flush the entire cache Flush the entire cache
`public`	# `acquireLock( $something, $wait_for = 5 )` Acquire a lock on something Acquire a lock on something
`public`	# `releaseLock( $something )` Release a lock Release a lock