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Kohana System Configuration Hook

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Instead of having multiple configurations for multiple domains, and the numerous if/then/else statements not to mention the various locations for storing the configuration....instead, enable hooks in your application config and then add this snippet of code into your application hooks directory.

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  1. <?php defined('SYSPATH') or die('No direct script access.');
  2.  
  3. class System_Config
  4. {
  5. 	// First host should be the production server.
  6. 	public static $configs = array(
  7. 		'example.com' => array(
  8. 			'database.default.connection' => array(
  9. 				'type' => 'mysql',
  10. 				'user' => 'user',
  11. 				'pass' => 'password',
  12. 				'host' => 'localhost',
  13. 				'port' => FALSE,
  14. 				'socket' => FALSE,
  15. 				'database' => 'example_db'
  16. 			),
  17. 			'config.display_errors' => FALSE, 
  18. 			'common.google_map_key' => ''
  19. 	),
  20. 		'subdomain.example.dev' => array(
  21. 			'database.default.connection' => array(
  22. 				'type' => 'mysql',
  23. 				'user' => 'user',
  24. 				'pass' => 'password',
  25. 				'host' => 'localhost',
  26. 				'port' => FALSE,
  27. 				'socket' => FALSE,
  28. 				'database' => 'example_db'
  29. 			),
  30. 			'config.display_errors' => TRUE, 
  31. 			'unfuddle.display' => TRUE, 
  32. 			'license.display' => TRUE,
  33. 			'common.google_map_key' => 'ABQIAAAANSflOC-DomiqtMkm0RLk0hQRum5EX2MZh7gd_I08tUb48drBLRRgcWKqtRNPur6StvJ8C2yML-gckg'
  34. 		),
  35. 	);
  36.  
  37. 	public static function init()
  38. 	{
  39. 		$configs = self::$configs;
  40.  
  41. 		$production_server = current(array_keys($configs));
  42. 		$server_name = isset($_SERVER['SERVER_NAME']) ? preg_replace('#^www\.#i', '', $_SERVER['SERVER_NAME']) : $production_server;
  43.  
  44. 		Kohana::config_set('config.in_production', $server_name == $production_server);
  45.  
  46. 		// Enable errors if on cmd line
  47. 		if (PHP_SAPI == 'cli') 
  48. 		{
  49. 			ini_set('display_errors', 1);
  50. 		}
  51.  
  52. 		// Set configuration vars if there is a config set for this hostname
  53. 		if (isset($configs[$server_name]))
  54. 		{
  55. 			// If a site domain isn't configured, defaults to server name.
  56. 			if (!isset($configs[$server_name]['config.site_domain']))
  57. 			{
  58. 				$configs[$server_name]['config.site_domain'] = $_SERVER['SERVER_NAME'] . '/';
  59. 			}
  60.  
  61. 			foreach ($configs[$server_name] as $k => $v)
  62. 			{
  63.  
  64. 				Kohana::config_set($k, $v);
  65. 				$config_key = explode('.', $k);
  66. 				$config_namespace = array_shift($config_key);
  67. 				$config_key = implode('', $config_key);
  68.  
  69. 				// If namespace is config, reapply it to core as well.
  70. 				if ($config_namespace == 'config')
  71. 				{
  72. 					if ($k == 'config.display_errors')
  73. 					{
  74. 						ini_set('display_errors', $v);
  75. 						Kohana::config_set("core.$config_key", $v);
  76. 					}
  77. 				}
  78. 			}
  79. 		}
  80. 		else
  81. 		{
  82. 			die('could not find any config for this host.');
  83. 		}
  84. 	}
  85. }
  86.  
  87. Event::add('system.ready', array('System_Config', 'init')); ?>

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