X-Git-Url: http://git.onelab.eu/?p=www-register-wizard.git;a=blobdiff_plain;f=codeigniter%2FCommon.php;h=eb9dce6484c369ca5a0dc669ec44b5d8eee66ffa;hp=3c75f5e6cf592867c5467354a24e85899c53c9de;hb=47598daa8c32dbbd72db83dc33f2ce91b3f6f7b0;hpb=4afb2fe256f094a1caf6bff14f51c6a88938cc9f

diff --git a/codeigniter/Common.php b/codeigniter/Common.php
index 3c75f5e..eb9dce6 100644
--- a/codeigniter/Common.php
+++ b/codeigniter/Common.php
@@ -6,7 +6,7 @@
  *
  * @package		CodeIgniter
  * @author		ExpressionEngine Dev Team
- * @copyright	Copyright (c) 2008, EllisLab, Inc.
+ * @copyright	Copyright (c) 2008 - 2009, EllisLab, Inc.
  * @license		http://codeigniter.com/user_guide/license.html
  * @link		http://codeigniter.com
  * @since		Version 1.0
@@ -16,16 +16,27 @@
 // ------------------------------------------------------------------------
 
 /**
- * Common Functions
- *
- * Loads the base classes and executes the request.
- *
- * @package		CodeIgniter
- * @subpackage	codeigniter
- * @category	Common Functions
- * @author		ExpressionEngine Dev Team
- * @link		http://codeigniter.com/user_guide/
- */
+* Determines if the current version of PHP is greater then the supplied value
+*
+* Since there are a few places where we conditionally test for PHP > 5
+* we'll set a static variable.
+*
+* @access	public
+* @param	string
+* @return	bool
+*/
+function is_php($version = '5.0.0')
+{
+	static $_is_php;
+	$version = (string)$version;
+	
+	if ( ! isset($_is_php[$version]))
+	{
+		$_is_php[$version] = (version_compare(PHP_VERSION, $version) < 0) ? FALSE : TRUE;
+	}
+
+	return $_is_php[$version];
+}
 
 // ------------------------------------------------------------------------
 
@@ -127,16 +138,34 @@ function &load_class($class, $instantiate = TRUE)
 	if ($is_subclass == TRUE)
 	{
 		$name = config_item('subclass_prefix').$class;
-		$objects[$class] =& new $name();
+
+		$objects[$class] =& instantiate_class(new $name());
 		return $objects[$class];
 	}
 
 	$name = ($class != 'Controller') ? 'CI_'.$class : $class;
-	
-	$objects[$class] =& new $name();
+
+	$objects[$class] =& instantiate_class(new $name());
 	return $objects[$class];
 }
 
+/**
+ * Instantiate Class
+ *
+ * Returns a new class object by reference, used by load_class() and the DB class.
+ * Required to retain PHP 4 compatibility and also not make PHP 5.3 cry.
+ *
+ * Use: $obj =& instantiate_class(new Foo());
+ * 
+ * @access	public
+ * @param	object
+ * @return	object
+ */
+function &instantiate_class(&$class_object)
+{
+	return $class_object;
+}
+
 /**
 * Loads the main config.php file
 *
@@ -203,10 +232,10 @@ function config_item($item)
 * @access	public
 * @return	void
 */
-function show_error($message)
+function show_error($message, $status_code = 500)
 {
 	$error =& load_class('Exceptions');
-	echo $error->show_error('An Error Was Encountered', $message);
+	echo $error->show_error('An Error Was Encountered', $message, 'error_general', $status_code);
 	exit;
 }
 
@@ -252,6 +281,91 @@ function log_message($level = 'error', $message, $php_error = FALSE)
 	$LOG->write_log($level, $message, $php_error);
 }
 
+
+/**
+ * Set HTTP Status Header
+ *
+ * @access	public
+ * @param	int 	the status code
+ * @param	string	
+ * @return	void
+ */
+function set_status_header($code = 200, $text = '')
+{
+	$stati = array(
+						200	=> 'OK',
+						201	=> 'Created',
+						202	=> 'Accepted',
+						203	=> 'Non-Authoritative Information',
+						204	=> 'No Content',
+						205	=> 'Reset Content',
+						206	=> 'Partial Content',
+
+						300	=> 'Multiple Choices',
+						301	=> 'Moved Permanently',
+						302	=> 'Found',
+						304	=> 'Not Modified',
+						305	=> 'Use Proxy',
+						307	=> 'Temporary Redirect',
+
+						400	=> 'Bad Request',
+						401	=> 'Unauthorized',
+						403	=> 'Forbidden',
+						404	=> 'Not Found',
+						405	=> 'Method Not Allowed',
+						406	=> 'Not Acceptable',
+						407	=> 'Proxy Authentication Required',
+						408	=> 'Request Timeout',
+						409	=> 'Conflict',
+						410	=> 'Gone',
+						411	=> 'Length Required',
+						412	=> 'Precondition Failed',
+						413	=> 'Request Entity Too Large',
+						414	=> 'Request-URI Too Long',
+						415	=> 'Unsupported Media Type',
+						416	=> 'Requested Range Not Satisfiable',
+						417	=> 'Expectation Failed',
+
+						500	=> 'Internal Server Error',
+						501	=> 'Not Implemented',
+						502	=> 'Bad Gateway',
+						503	=> 'Service Unavailable',
+						504	=> 'Gateway Timeout',
+						505	=> 'HTTP Version Not Supported'
+					);
+
+	if ($code == '' OR ! is_numeric($code))
+	{
+		show_error('Status codes must be numeric', 500);
+	}
+
+	if (isset($stati[$code]) AND $text == '')
+	{				
+		$text = $stati[$code];
+	}
+	
+	if ($text == '')
+	{
+		show_error('No status text available.  Please check your status code number or supply your own message text.', 500);
+	}
+	
+	$server_protocol = (isset($_SERVER['SERVER_PROTOCOL'])) ? $_SERVER['SERVER_PROTOCOL'] : FALSE;
+
+	if (substr(php_sapi_name(), 0, 3) == 'cgi')
+	{
+		header("Status: {$code} {$text}", TRUE);
+	}
+	elseif ($server_protocol == 'HTTP/1.1' OR $server_protocol == 'HTTP/1.0')
+	{
+		header($server_protocol." {$code} {$text}", TRUE, $code);
+	}
+	else
+	{
+		header("HTTP/1.1 {$code} {$text}", TRUE, $code);
+	}
+}
+
+
 /**
 * Exception Handler
 *