PHP Fatal error: Class 'Memcached' not found in

Question

php -v:

PHP 5.5.10-1+deb.sury.org~precise+1 (cli) (built: Mar 27 2014 16:18:01) Copyright (c) 1997-2014 The PHP Group Zend Engine v2.5.0, Copyright (c) 1998-2014 Zend Technologies with XCache v3.1.0, Copyright (c) 2005-2013, by mOo with Zend OPcache v7.0.3, Copyright (c) 1999-2014, by Zend Technologies with XCache Optimizer v3.1.0, Copyright (c) 2005-2013, by mOo with XCache Cacher v3.1.0, Copyright (c) 2005-2013, by mOo with XCache Coverager v3.1.0, Copyright (c) 2005-2013, by mOo 

dpkg -l | grep php5

Result

 rc php5-memcache 3.0.6-1 memcache extension module for PHP5 rc php5-memcached 1.0.2-2 memcached extension module for PHP5, uses libmemcached ii php5-mysql 5.5.10+dfsg-1+deb.sury.org~precise+1 MySQL module for php5 

Configure php.ini.

 ;;;;;;;;;;;;;;;;;;;;;;;;; ;; memchached ;; ;;;;;;;;;;;;;;;;;;;;;;;;; extension=/usr/lib/php5/20090626/memcache.so extension=memcached.so memcache.hash_strategy="consistent" 

but phpinfo does not show memchache details. and php script giving PHP Fatal error: Class 'Memcached' not found in

Answer 1

php5-memcache and php5-memcached not installed. "rc" in the dpkg output means that the packages were removed and that the configuration was saved.

Answer 2

dpkg -l | grep php5 indicates that the module is not installed

ii means "It must be installed and installed" whereas

rc means "It is deleted / deleted, but all configuration files still exist"

Answer 3

To install Memcache

use the following:

 sudo apt-get install php5-memcache 

Answer 4

Fatal error: Class 'Memcached' not found

the library may be missing, you can manually include the missing php_memcache in the ext folder