Make sure system is uptodate.
yum -y update
Chnage the directory to tmp and run the follwing commands.
curl -sS https://getcomposer.org/installer | php
mv composer.phar /usr/local/bin/composer
chmod +x /usr/local/bin/composer
Now you can check the composer version as follows
[root@localhost bin]# composer -V
Composer version 1.6.5 2018-05-04 11:44:59
Memcache is a caching system used to speed up web applications by holding small pieces of arbitrary data, it could be broadly compared to the $_SESSION variable in PHP, but memcache works across the whole application not just on a per user basis and has been successfully proven to make great gains in speed increases on web applications.
Memcache was designed with Linux in mind and not windows, so it has posed some installation issues because Windows users are not so familiar with having to compile code from source as memcache does not come with any installation software. Continue reading Install Memcache XAMPP Windows 10