wget http://pecl.php.net/get/APC-3.1.9.tgz
tar xzvf APC-3.1.9.tgz
cd APC-3.1.9
/usr/local/php/bin/phpize
./configure --enable-apc-mmap --enable-apc --enable-apc-filehits --with-php-config=/usr/local/php/bin/php-config --prefix=/usr/local/apc
make
make install

extension = apc.so
apc.enabled = 1
apc.cache_by_default = on
apc.shm_segments = 1
apc.shm_size = 160
apc.ttl = 7200
apc.user_ttl = 7200
apc.num_files_hint = 0
apc.write_lock = On
apc.gc_ttl=3600
apc.ttl=0