Code snippets for installing Symfony 2 on a Debian VirtualBox

app_dev.php

<?php 
// ... 
if (isset($_SERVER['HTTP_CLIENT_IP']) || 
    isset($_SERVER['HTTP_X_FORWARDED_FOR']) || 
    !in_array(@$_SERVER['REMOTE_ADDR'], array('127.0.0.1', 'fe80::1', '::1', /* Host machine IP */'10.10.4.1')) 
) { 
    header('HTTP/1.0 403 Forbidden'); 
    exit('You are not allowed to access this file. Check '.basename(__FILE__).' for more information.'); 
} 

// ... 

composer_create_project.sh

$ cd /var/www 
$ composer create-project symfony/framework-standard-edition my-app

config.php

<?php 

// ... 

if (!in_array(@$_SERVER['REMOTE_ADDR'], array(
    '127.0.0.1', 
    '::1', 
    // Host machine IP 
    '10.10.4.1',
))) { 
  header('HTTP/1.0 403 Forbidden'); 
  exit('This script is only accessible from localhost.'); 
} 

// ... 

edit_php_ini.sh

$ sudo nano /etc/php5/cli/php.ini 
$ sudo nano /etc/php5/apache2/php.ini

hosts

##
# Host Database 
# 
# localhost is used to configure the loopback interface 
# when the system is booting. Do not change this entry. 
## 
127.0.0.1 localhost 

#... 

# The entry for our Symfony app 
10.0.0.15 local.my-app.com

install_composer.sh

$ sudo apt-get install curl 
$ curl -sS https://getcomposer.org/installer | php 
$ sudo mv composer.phar /usr/local/bin/composer 

my-app.vhost

<VirtualHost *:80> 
  ServerAdmin you@yoursite.com 
  ServerName local.my-app.com 
  DocumentRoot /var/www/my-app/web 

  <Directory /var/www/my-app/web> 
    Options Indexes FollowSymLinks MultiViews 
    AllowOverride All 
    Order allow,deny allow from all 
  </Directory> 
</VirtualHost>

php.ini

[Date] 
; Defines the default timezone used by the date functions 
; http://php.net/date.timezone 
date.timezone = Europe/London 

; ... 

; Default Value: On 
; Development Value: Off 
; Production Value: Off 
; http://php.net/short-open-tag 
short_open_tag = Off 

run_symfony_check_script.sh

$ cd /var/www/my-app 
$ php app/check.php