php module error (module already loaded)

php module error
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IF----
php -v

PHP Warning:  Module 'imap' already loaded in Unknown on line 0
PHP Warning:  Module 'mcrypt' already loaded in Unknown on line 0


---------- then go to php.ini file and put ; to the line

vi /etc/php.ini

;extension=imap.so
;extension=mcrypt.so

save and rest httpd

now php -v
no error......

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