mcrypt: Unable to initialize module

php -v
PHP Warning: PHP Startup: mcrypt: Unable to initialize module
Module compiled with module API=20050922, debug=0, thread-safety=0
PHP compiled with module API=20060613, debug=0, thread-safety=0
These options need to match
in Unknown on line 0
PHP 5.2.17 (cli) (built: Jan 7 2011 21:18:16)
Copyright (c) 1997-2010 The PHP Group
Zend Engine v2.2.0, Copyright (c) 1998-2010 Zend Technologies
with Zend Extension Manager v1.2.2, Copyright (c) 2003-2007, by Zend Technologies
with Zend Optimizer v3.3.3, Copyright (c) 1998-2007, by Zend Technologies

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yum -y remove php-mcrypt

wget http://repo.webtatic.com/yum/centos/5/x86_64/php-mcrypt-5.2.17-1.1.w5.x86_64.rpm

rpm -ivh http://repo.webtatic.com/yum/centos/5/x86_64/php-mcrypt-5.2.17-1.1.w5.x86_64.rpm