PHP Warning: PHP Startup: Unable to load dynamic library 'apc.so' code example

Example 1: PHP Warning: PHP Startup: Unable to load dynamic library 'openssl' window

You just uncomment the extension_dir in php.ini

Example 2: PHP Warning: PHP Startup: Unable to load dynamic library 'apc.so'

comment out this line by adding a semi-colon in front
;extension=apc.so