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From the command line, the default php is version 5.2.17. For most purposes, we need at least version 5.4. This is available as
php-5.4. For example, install composer as follows:
php-5.4 -r "readfile('https://getcomposer.org/installer');" | php-5.4 php-5.4 composer.phar global require "fxp/composer-asset-plugin:1.0.0"
Install the Yii advanced application (when the
composer.phar file sits in the user directory):
php-7.0 ~/composer.phar create-project yiisoft/yii2-app-advanced advanced