install yii2 for php 5.4 on CentOS 7

0. cd ~
1. curl -sS https://getcomposer.org/installer | php

2. sudo mv composer.phar /usr/local/bin/composer

3. check if php_mbstring installed using "php -m |grep mbstring", if not, install the module using "sudo yum install php-mbstring"

4.0 cd /var/www/html/
4.1 sudo mkdir yii2
   sudo chmod 774 yii2
sudo usermod scott -gapache
sudo chown scott:apache yii2
chcon -t httpd_sys_content_rw_t yii2

5. cd yii2

composer global require "fxp/composer-asset-plugin:^1.2.0"

composer create-project --prefer-dist yiisoft/yii2-app-basic basic