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-rw-r--r--system/core/Loader.php160
1 files changed, 87 insertions, 73 deletions
diff --git a/system/core/Loader.php b/system/core/Loader.php
index 12daaa928..09e948714 100644
--- a/system/core/Loader.php
+++ b/system/core/Loader.php
@@ -2,7 +2,7 @@
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
*
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* Loader Class
*
@@ -34,8 +32,8 @@
*
* @package CodeIgniter
* @subpackage Libraries
- * @author EllisLab Dev Team
* @category Loader
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/libraries/loader.html
*/
class CI_Loader {
@@ -47,80 +45,93 @@ class CI_Loader {
* @var int
*/
protected $_ci_ob_level;
+
/**
* List of paths to load views from
*
* @var array
*/
- protected $_ci_view_paths = array();
+ protected $_ci_view_paths = array();
+
/**
* List of paths to load libraries from
*
* @var array
*/
- protected $_ci_library_paths = array();
+ protected $_ci_library_paths = array();
+
/**
* List of paths to load models from
*
* @var array
*/
- protected $_ci_model_paths = array();
+ protected $_ci_model_paths = array();
+
/**
* List of paths to load helpers from
*
* @var array
*/
- protected $_ci_helper_paths = array();
+ protected $_ci_helper_paths = array();
+
/**
* List of loaded base classes
*
* @var array
*/
- protected $_base_classes = array(); // Set by the controller class
+ protected $_base_classes = array(); // Set by the controller class
+
/**
* List of cached variables
*
* @var array
*/
- protected $_ci_cached_vars = array();
+ protected $_ci_cached_vars = array();
+
/**
* List of loaded classes
*
* @var array
*/
- protected $_ci_classes = array();
+ protected $_ci_classes = array();
+
/**
* List of loaded files
*
* @var array
*/
- protected $_ci_loaded_files = array();
+ protected $_ci_loaded_files = array();
+
/**
* List of loaded models
*
* @var array
*/
- protected $_ci_models = array();
+ protected $_ci_models = array();
+
/**
* List of loaded helpers
*
* @var array
*/
- protected $_ci_helpers = array();
+ protected $_ci_helpers = array();
+
/**
* List of class name mappings
*
* @var array
*/
- protected $_ci_varmap = array(
- 'unit_test' => 'unit',
- 'user_agent' => 'agent'
- );
+ protected $_ci_varmap = array(
+ 'unit_test' => 'unit',
+ 'user_agent' => 'agent'
+ );
/**
* Constructor
*
* Sets the path to the view files and gets the initial output buffering level
+ *
+ * @return void
*/
public function __construct()
{
@@ -140,7 +151,6 @@ class CI_Loader {
*
* This method is called once in CI_Controller.
*
- * @param array
* @return object
*/
public function initialize()
@@ -170,12 +180,7 @@ class CI_Loader {
*/
public function is_loaded($class)
{
- if (isset($this->_ci_classes[$class]))
- {
- return $this->_ci_classes[$class];
- }
-
- return FALSE;
+ return isset($this->_ci_classes[$class]) ? $this->_ci_classes[$class] : FALSE;
}
// --------------------------------------------------------------------
@@ -203,7 +208,7 @@ class CI_Loader {
return;
}
- if ($library == '' OR isset($this->_base_classes[$library]))
+ if ($library === '' OR isset($this->_base_classes[$library]))
{
return FALSE;
}
@@ -239,7 +244,7 @@ class CI_Loader {
return;
}
- if ($model == '')
+ if ($model === '')
{
return;
}
@@ -256,7 +261,7 @@ class CI_Loader {
$model = substr($model, $last_slash);
}
- if ($name == '')
+ if (empty($name))
{
$name = $model;
}
@@ -281,7 +286,7 @@ class CI_Loader {
continue;
}
- if ($db_conn !== FALSE AND ! class_exists('CI_DB'))
+ if ($db_conn !== FALSE && ! class_exists('CI_DB'))
{
if ($db_conn === TRUE)
{
@@ -315,16 +320,16 @@ class CI_Loader {
*
* @param string the DB credentials
* @param bool whether to return the DB object
- * @param bool whether to enable active record (this allows us to override the config setting)
+ * @param bool whether to enable query builder (this allows us to override the config setting)
* @return object
*/
- public function database($params = '', $return = FALSE, $active_record = NULL)
+ public function database($params = '', $return = FALSE, $query_builder = NULL)
{
// Grab the super object
$CI =& get_instance();
// Do we even need to load the database class?
- if (class_exists('CI_DB') AND $return == FALSE AND $active_record == NULL AND isset($CI->db) AND is_object($CI->db))
+ if (class_exists('CI_DB') && $return === FALSE && $query_builder === NULL && isset($CI->db) && is_object($CI->db))
{
return FALSE;
}
@@ -333,7 +338,7 @@ class CI_Loader {
if ($return === TRUE)
{
- return DB($params, $active_record);
+ return DB($params, $query_builder);
}
// Initialize the db variable. Needed to prevent
@@ -341,7 +346,7 @@ class CI_Loader {
$CI->db = '';
// Load the DB class
- $CI->db =& DB($params, $active_record);
+ $CI->db =& DB($params, $query_builder);
}
// --------------------------------------------------------------------
@@ -399,13 +404,13 @@ class CI_Loader {
/**
* Load View
*
- * This function is used to load a "view" file. It has three parameters:
+ * This function is used to load a "view" file. It has three parameters:
*
* 1. The name of the "view" file to be included.
* 2. An associative array of data to be extracted for use in the view.
- * 3. TRUE/FALSE - whether to return the data or load it. In
- * some cases it's advantageous to be able to return data so that
- * a developer can process it in some way.
+ * 3. TRUE/FALSE - whether to return the data or load it. In
+ * some cases it's advantageous to be able to return data so that
+ * a developer can process it in some way.
*
* @param string
* @param array
@@ -447,14 +452,14 @@ class CI_Loader {
*/
public function vars($vars = array(), $val = '')
{
- if ($val != '' AND is_string($vars))
+ if ($val !== '' && is_string($vars))
{
$vars = array($vars => $val);
}
$vars = $this->_ci_object_to_array($vars);
- if (is_array($vars) AND count($vars) > 0)
+ if (is_array($vars) && count($vars) > 0)
{
foreach ($vars as $key => $val)
{
@@ -615,20 +620,29 @@ class CI_Loader {
*
* Loads a driver library
*
- * @param string the name of the class
+ * @param mixed the name of the class or array of classes
* @param mixed the optional parameters
* @param string an optional object name
* @return void
*/
public function driver($library = '', $params = NULL, $object_name = NULL)
{
+ if (is_array($library))
+ {
+ foreach ($library as $driver)
+ {
+ $this->driver($driver);
+ }
+ return FALSE;
+ }
+
if ( ! class_exists('CI_Driver_Library'))
{
// we aren't instantiating an object here, that'll be done by the Library itself
require BASEPATH.'libraries/Driver.php';
}
- if ($library == '')
+ if ($library === '')
{
return FALSE;
}
@@ -651,7 +665,7 @@ class CI_Loader {
* Prepends a parent path to the library, model, helper, and config path arrays
*
* @param string
- * @param boolean
+ * @param bool
* @return void
*/
public function add_package_path($path, $view_cascade=TRUE)
@@ -666,7 +680,7 @@ class CI_Loader {
// Add config file path
$config =& $this->_ci_get_component('config');
- array_unshift($config->_config_paths, $path);
+ array_push($config->_config_paths, $path);
}
// --------------------------------------------------------------------
@@ -692,21 +706,21 @@ class CI_Loader {
* Remove a path from the library, model, and helper path arrays if it exists
* If no path is provided, the most recently added path is removed.
*
- * @param type
+ * @param string
* @param bool
- * @return type
+ * @return void
*/
public function remove_package_path($path = '', $remove_config_path = TRUE)
{
$config =& $this->_ci_get_component('config');
- if ($path == '')
+ if ($path === '')
{
array_shift($this->_ci_library_paths);
array_shift($this->_ci_model_paths);
array_shift($this->_ci_helper_paths);
array_shift($this->_ci_view_paths);
- array_shift($config->_config_paths);
+ array_pop($config->_config_paths);
}
else
{
@@ -755,13 +769,13 @@ class CI_Loader {
// Set the default data variables
foreach (array('_ci_view', '_ci_vars', '_ci_path', '_ci_return') as $_ci_val)
{
- $$_ci_val = ( ! isset($_ci_data[$_ci_val])) ? FALSE : $_ci_data[$_ci_val];
+ $$_ci_val = isset($_ci_data[$_ci_val]) ? $_ci_data[$_ci_val] : FALSE;
}
$file_exists = FALSE;
// Set the path to the requested file
- if ($_ci_path != '')
+ if (is_string($_ci_path) && $_ci_path !== '')
{
$_ci_x = explode('/', $_ci_path);
$_ci_file = end($_ci_x);
@@ -769,7 +783,7 @@ class CI_Loader {
else
{
$_ci_ext = pathinfo($_ci_view, PATHINFO_EXTENSION);
- $_ci_file = ($_ci_ext == '') ? $_ci_view.'.php' : $_ci_view;
+ $_ci_file = ($_ci_ext === '') ? $_ci_view.'.php' : $_ci_view;
foreach ($this->_ci_view_paths as $view_file => $cascade)
{
@@ -833,7 +847,7 @@ class CI_Loader {
// If the PHP installation does not support short tags we'll
// do a little string replacement, changing the short tags
// to standard PHP echo statements.
- if ((bool) @ini_get('short_open_tag') === FALSE AND config_item('rewrite_short_tags') == TRUE)
+ if ( ! is_php('5.4') && (bool) @ini_get('short_open_tag') === FALSE && config_item('rewrite_short_tags') === TRUE)
{
echo eval('?>'.preg_replace('/;*\s*\?>/', '; ?>', str_replace('<?=', '<?php echo ', file_get_contents($_ci_path))));
}
@@ -986,7 +1000,7 @@ class CI_Loader {
} // END FOREACH
// One last attempt. Maybe the library is in a subdirectory, but it wasn't specified?
- if ($subdir == '')
+ if ($subdir === '')
{
$path = strtolower($class).'/'.$class;
return $this->_ci_load_class($path, $params);
@@ -994,7 +1008,7 @@ class CI_Loader {
// If we got this far we were unable to find the requested class.
// We do not issue errors if the load call failed due to a duplicate request
- if ($is_duplicate == FALSE)
+ if ($is_duplicate === FALSE)
{
log_message('error', 'Unable to load the requested class: '.$class);
show_error('Unable to load the requested class: '.$class);
@@ -1010,11 +1024,11 @@ class CI_Loader {
* @param string
* @param bool
* @param string an optional object name
- * @return null
+ * @return void
*/
protected function _ci_init_class($class, $prefix = '', $config = FALSE, $object_name = NULL)
{
- // Is there an associated config file for this class? Note: these should always be lowercase
+ // Is there an associated config file for this class? Note: these should always be lowercase
if ($config === NULL)
{
// Fetch the config paths containing any package paths
@@ -1029,31 +1043,31 @@ class CI_Loader {
// We test for both uppercase and lowercase, for servers that
// are case-sensitive with regard to file names. Check for environment
// first, global next
- if (defined('ENVIRONMENT') AND file_exists($path .'config/'.ENVIRONMENT.'/'.strtolower($class).'.php'))
+ if (defined('ENVIRONMENT') && file_exists($path.'config/'.ENVIRONMENT.'/'.strtolower($class).'.php'))
{
- include($path .'config/'.ENVIRONMENT.'/'.strtolower($class).'.php');
+ include($path.'config/'.ENVIRONMENT.'/'.strtolower($class).'.php');
break;
}
- elseif (defined('ENVIRONMENT') AND file_exists($path .'config/'.ENVIRONMENT.'/'.ucfirst(strtolower($class)).'.php'))
+ elseif (defined('ENVIRONMENT') && file_exists($path.'config/'.ENVIRONMENT.'/'.ucfirst(strtolower($class)).'.php'))
{
- include($path .'config/'.ENVIRONMENT.'/'.ucfirst(strtolower($class)).'.php');
+ include($path.'config/'.ENVIRONMENT.'/'.ucfirst(strtolower($class)).'.php');
break;
}
- elseif (file_exists($path .'config/'.strtolower($class).'.php'))
+ elseif (file_exists($path.'config/'.strtolower($class).'.php'))
{
- include($path .'config/'.strtolower($class).'.php');
+ include($path.'config/'.strtolower($class).'.php');
break;
}
- elseif (file_exists($path .'config/'.ucfirst(strtolower($class)).'.php'))
+ elseif (file_exists($path.'config/'.ucfirst(strtolower($class)).'.php'))
{
- include($path .'config/'.ucfirst(strtolower($class)).'.php');
+ include($path.'config/'.ucfirst(strtolower($class)).'.php');
break;
}
}
}
}
- if ($prefix == '')
+ if ($prefix === '')
{
if (class_exists('CI_'.$class))
{
@@ -1086,7 +1100,7 @@ class CI_Loader {
if (is_null($object_name))
{
- $classvar = ( ! isset($this->_ci_varmap[$class])) ? $class : $this->_ci_varmap[$class];
+ $classvar = isset($this->_ci_varmap[$class]) ? $this->_ci_varmap[$class] : $class;
}
else
{
@@ -1104,7 +1118,7 @@ class CI_Loader {
}
else
{
- $CI->$classvar = new $name;
+ $CI->$classvar = new $name();
}
}
@@ -1116,12 +1130,11 @@ class CI_Loader {
* The config/autoload.php file contains an array that permits sub-systems,
* libraries, and helpers to be loaded automatically.
*
- * @param array
* @return void
*/
protected function _ci_autoloader()
{
- if (defined('ENVIRONMENT') AND file_exists(APPPATH.'config/'.ENVIRONMENT.'/autoload.php'))
+ if (defined('ENVIRONMENT') && file_exists(APPPATH.'config/'.ENVIRONMENT.'/autoload.php'))
{
include(APPPATH.'config/'.ENVIRONMENT.'/autoload.php');
}
@@ -1157,14 +1170,14 @@ class CI_Loader {
// Autoload helpers and languages
foreach (array('helper', 'language') as $type)
{
- if (isset($autoload[$type]) AND count($autoload[$type]) > 0)
+ if (isset($autoload[$type]) && count($autoload[$type]) > 0)
{
$this->$type($autoload[$type]);
}
}
// Load libraries
- if (isset($autoload['libraries']) AND count($autoload['libraries']) > 0)
+ if (isset($autoload['libraries']) && count($autoload['libraries']) > 0)
{
// Load the database driver.
if (in_array('database', $autoload['libraries']))
@@ -1199,7 +1212,7 @@ class CI_Loader {
*/
protected function _ci_object_to_array($object)
{
- return (is_object($object)) ? get_object_vars($object) : $object;
+ return is_object($object) ? get_object_vars($object) : $object;
}
// --------------------------------------------------------------------
@@ -1243,7 +1256,8 @@ class CI_Loader {
return $filename;
}
}
+
}
/* End of file Loader.php */
-/* Location: ./system/core/Loader.php */
+/* Location: ./system/core/Loader.php */ \ No newline at end of file