Install PHP memcache pecl extensions in Linux and MacOS

php-pecl-memcahe

Very few easy steps -


Install memcached

brew install autoconf
brew install Libmemcached

Download desired package from http://pecl.php.net/package/memcache
Extract the tar - tar xzf memcache-X.Y.tgz
Enter into extracted directory from terminal - cd path/to/memcache-X.Y
Run the following commands -

phpize
./configure
make
sudo make install

Copy/paste the .so file from your default php extensions folder
In php.ini, add extension="memcache.so"
Restart Apache

To find out the php extensions folder and php.ini file path, check phpinfo