If Composer available just download the letId composer and run composer update
Install composer using PHP... more information about installer and packages...
php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
php composer-setup.php
Setup composer by executing composer-setup.php
php composer-setup.php --filename=composer
Delete composer-setup.php because we don't need anymore..
php -r "unlink('composer-setup.php');"
Now, generate autoload and update packages...
php composer update
php composer.phar update
composer update
If autoload dump/update require?
php composer dump-autoload -o
php composer.phar dump-autoload -o
composer dump-autoload -o
curl -s http://getcomposer.org/installer | php
php -r "readfile('https://getcomposer.org/installer');" | php