Class Memcache

A cache service that stored data in Memcache

Wei\Base

Extended by

Wei\BaseCache

Extended by

Wei\Memcache

Namespace: Wei
Author: Twin Huang twinhuang@qq.com
Located at Memcache.php

Methods summary
`public`	# `__construct( array $options = array() )` Constructor Constructor Parameters `$options` Throws InvalidArgumentException When option "wei" is not an instance of "Wei\Wei" Overrides `Wei\Base::__construct()`
`protected`	# `connect( )` Instance memcache object and connect to server Instance memcache object and connect to server
`public mixed`	# `__invoke( string $key = null, mixed $value = null, integer $expire = 0 )` Returns the memcache object, retrieve or store an item Returns the memcache object, retrieve or store an item Parameters `$key` The name of item `$value` The value of item `$expire` The expire seconds, defaults to 0, means never expired Returns mixed Overrides `Wei\BaseCache::__invoke()`
`public mixed`	# `get( string $key, integer $expire = null, callable $fn = null )` Retrieve an item Retrieve an item Parameters `$key` The name of item `$expire` The expire seconds of callback return value `$fn` The callback to execute when cache not found Returns mixed Throws RuntimeException When set cache return false
`public boolean`	# `set( string $key, mixed $value, integer $expire = 0 )` Store an item Store an item Parameters `$key` The name of item `$value` The value of item `$expire` The expire seconds, defaults to 0, means never expired Returns boolean
`public boolean`	# `remove( string $key )` Remove an item Remove an item Parameters `$key` The name of item Returns boolean
`public boolean`	# `exists( string $key )` Check if an item is exists Check if an item is exists Parameters `$key` Returns boolean
`public boolean`	# `add( string $key, mixed $value, integer $expire = 0 )` Add an item Add an item Parameters `$key` The name of item `$value` The value of item `$expire` The expire seconds, defaults to 0, means never expired Returns boolean
`public boolean`	# `replace( string $key, mixed $value, integer $expire = 0 )` Replace an existing item Replace an existing item Parameters `$key` The name of item `$value` The value of item `$expire` The expire seconds, defaults to 0, means never expired Returns boolean
`public integer\|false`	# `incr( string $key, integer $offset = 1 )` Increment an item Increment an item Parameters `$key` The name of item `$offset` The value to increased Returns integer\|false Returns the new value on success, or false on failure
`public integer\|false`	# `decr( string $key, integer $offset = 1 )` Decrement an item Decrement an item Parameters `$key` The name of item `$offset` The value to be decreased Returns integer\|false Returns the new value on success, or false on failure Overrides `Wei\BaseCache::decr()`
`protected integer\|false`	# `incDec( string $key, integer $offset, boolean $inc = true )` Increment/Decrement an item Increment/Decrement an item Compatible method for memcache < 3.0.3 that does not support negative number as $offset parameter Parameters `$key` The name of item `$offset` The value to be increased/decreased `$inc` The operation is increase or decrease Returns integer\|false Returns the new value on success, or false on failure
`public boolean`	# `clear( )` Clear all items Clear all items Returns boolean
`public Memcache`	# `getObject( )` Get memcache object Get memcache object Returns Memcache
`public`	# `setObject( Wei\Memcache $object )` Set memcache object Set memcache object Parameters `$object` Returns $this

Methods inherited from Wei\BaseCache
`getFileContent(), getMulti(), getNamespace(), processGetResult(), setMulti(), setNamespace()`

Methods inherited from Wei\Base
`__call(), __get(), getOption(), setOption()`

Properties summary
`protected Memcache`	`$object` The memcache object The memcache object	#
`protected array`	`$servers` The memcache server configurations The memcache server configurations See \Memcache::addServer	# `array( array( 'host' => '127.0.0.1', 'port' => 11211, 'persistent' => true ) )`
`protected integer`	`$flag` The flag that use MEMCACHE_COMPRESSED to store the item compressed (uses zlib). The flag that use MEMCACHE_COMPRESSED to store the item compressed (uses zlib).	# `0`

Properties inherited from Wei\BaseCache
`$namespace`

Properties inherited from Wei\Base
`$providers, $wei`