Class FileCache

This class is used to Cache Data stored in File

Namespace: Genetsis\core
Package: Genetsis
Category: Helper
Version: 1.0
Located at core/FileCache.php

Methods summary
`public static`	# `init( string $path, string $pref = '' )` Parameters `$path` The full path to store cache. `$pref` Throws Exception If there is an error.
`public static`	# `set( string $key, mixed $data = false, integer $ttl = 3600 )` Saves data to the cache. Anything that evaluates to FALSE, NULL, '', 0 will not be saved. Saves data to the cache. Anything that evaluates to FALSE, NULL, '', 0 will not be saved. Parameters `$key` An identifier for the data. `$data` The data to be saved. `$ttl` Lifetime of the stored data. In seconds. Returns boolean TRUE on success, FALSE otherwise.
`public static`	# `get( string $key )` Reads the data from the cache. Reads the data from the cache. Parameters `$key` An identifier for the data. Returns mixed Data that was stored or FALSE on error.
`public static boolean`	# `delete( string $key )` Removes a key, regardless of its expiry time. Removes a key, regardless of its expiry time. Parameters `$key` The identifier to be deleted. Returns boolean TRUE on success, FALSE otherwise.
`public static boolean`	# `deleteCache( )` Cleans file cache. Cleans file cache. Returns boolean TRUE on success, FALSE otherwise.
`public`	# `getError( )` Reads and clears the internal error. Reads and clears the internal error. Returns string Text of the error raised by the last process.
`public`	# `haveError( )` Can be used to inspect internal error. Can be used to inspect internal error. Returns boolean TRUE if we have an error, FALSE otherwise.

Properties summary
`protected static string`	`$cache_dir` Full path to the folder where cache will be stored. Full path to the folder where cache will be stored.	# `''`
`protected static string`	`$error` Holds the last error generated. Holds the last error generated.	# `null`
`protected static string`	`$prefix` Prefix to be added to the filename. Prefix to be added to the filename.	# `''`