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initial import

tags/2.0.0-beta
Qiang Xue 14 years ago
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fc7c1f5673
6 changed files with 1487 additions and 0 deletions
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  1. 11
      classmap.txt
  2. 87
      framework/base/Behavior.php
  3. 526
      framework/base/Component.php
  4. 39
      framework/base/Event.php
  5. 795
      framework/base/YiiBase.php
  6. 29
      framework/yii.php

11
classmap.txt
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yii\
YiiBase
Yii
base\
Application
Behavior
Component
Event
Exception
Model
Module

87
framework/base/Behavior.php
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<?php
namespace yii\base;
class CBehavior extends CComponent implements IBehavior
{
private $_enabled;
private $_owner;
/**
* Declares events and the corresponding event handler methods.
* The events are defined by the {@link owner} component, while the handler
* methods by the behavior class. The handlers will be attached to the corresponding
* events when the behavior is attached to the {@link owner} component; and they
* will be detached from the events when the behavior is detached from the component.
* @return array events (array keys) and the corresponding event handler methods (array values).
*/
public function events()
{
return array();
}
/**
* Attaches the behavior object to the component.
* The default implementation will set the {@link owner} property
* and attach event handlers as declared in {@link events}.
* Make sure you call the parent implementation if you override this method.
* @param CComponent $owner the component that this behavior is to be attached to.
*/
public function attach($owner)
{
$this->_owner=$owner;
foreach($this->events() as $event=>$handler)
$owner->attachEventHandler($event,array($this,$handler));
}
/**
* Detaches the behavior object from the component.
* The default implementation will unset the {@link owner} property
* and detach event handlers declared in {@link events}.
* Make sure you call the parent implementation if you override this method.
* @param CComponent $owner the component that this behavior is to be detached from.
*/
public function detach($owner)
{
foreach($this->events() as $event=>$handler)
$owner->detachEventHandler($event,array($this,$handler));
$this->_owner=null;
}
/**
* @return CComponent the owner component that this behavior is attached to.
*/
public function getOwner()
{
return $this->_owner;
}
/**
* @return boolean whether this behavior is enabled
*/
public function getEnabled()
{
return $this->_enabled;
}
/**
* @param boolean $value whether this behavior is enabled
*/
public function setEnabled($value)
{
if($this->_enabled!=$value && $this->_owner)
{
if($value)
{
foreach($this->events() as $event=>$handler)
$this->_owner->attachEventHandler($event,array($this,$handler));
}
else
{
foreach($this->events() as $event=>$handler)
$this->_owner->detachEventHandler($event,array($this,$handler));
}
}
$this->_enabled=$value;
}
}

526
framework/base/Component.php
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<?php
namespace yii\base;
class Component
{
private $_e;
private $_m;
/**
* Returns a property value, an event handler list or a behavior based on its name.
* Do not call this method. This is a PHP magic method that we override
* to allow using the following syntax to read a property or obtain event handlers:
* <pre>
* $value=$component->propertyName;
* $handlers=$component->eventName;
* </pre>
* @param string $name the property name or event name
* @return mixed the property value, event handlers attached to the event, or the named behavior (since version 1.0.2)
* @throws CException if the property or event is not defined
* @see __set
*/
public function __get($name)
{
$getter = 'get' . $name;
if(method_exists($this, $getter))
return $this->$getter();
else if(method_exists($this, $name) && strncasecmp($name, 'on', 2)===0)
{
$name=strtolower($name);
if(!isset($this->_e[$name]))
$this->_e[$name]=new yii\collections\Vector;
return $this->_e[$name];
}
else if(isset($this->_m[$name]))
return $this->_m[$name];
else if(is_array($this->_m)) // has attached behaviors
{
foreach($this->_m as $object)
{
if($object->getEnabled() && $object->canGetProperty($name))
return $object->$name;
}
}
throw new Exception('Undefined property: ' . get_class($this) . '.' $name);
}
/**
* Sets value of a component property.
* Do not call this method. This is a PHP magic method that we override
* to allow using the following syntax to set a property or attach an event handler
* <pre>
* $this->propertyName=$value;
* $this->eventName=$callback;
* </pre>
* @param string $name the property name or the event name
* @param mixed $value the property value or callback
* @throws CException if the property/event is not defined or the property is read only.
* @see __get
*/
public function __set($name,$value)
{
$setter='set'.$name;
if(method_exists($this,$setter))
return $this->$setter($value);
else if(method_exists($this,$name) && strncasecmp($name,'on',2)===0)
{
$name=strtolower($name);
if(!isset($this->_e[$name]))
$this->_e[$name]=new yii\collections\Vector;
return $this->_e[$name]->add($value);
}
else if(is_array($this->_m))
{
foreach($this->_m as $object)
{
if($object->getEnabled() && $object->canSetProperty($name))
return $object->$name=$value;
}
}
if(method_exists($this,'get'.$name))
throw new Exception('Unable to set read-only property: ' . get_class($this) . '.' $name);
else
throw new Exception('Undefined property: ' . get_class($this) . '.' $name);
}
/**
* Checks if a property value is null.
* Do not call this method. This is a PHP magic method that we override
* to allow using isset() to detect if a component property is set or not.
* @param string $name the property name or the event name
* @since 1.0.1
*/
public function __isset($name)
{
$getter='get'.$name;
if(method_exists($this,$getter))
return $this->$getter()!==null;
else if(method_exists($this,$name) && strncasecmp($name,'on',2)===0)
{
$name=strtolower($name);
return isset($this->_e[$name]) && $this->_e[$name]->getCount();
}
else if(isset($this->_m[$name]))
return true;
else if(is_array($this->_m))
{
foreach($this->_m as $object)
{
if($object->getEnabled() && $object->canGetProperty($name))
return true;
}
}
return false;
}
/**
* Sets a component property to be null.
* Do not call this method. This is a PHP magic method that we override
* to allow using unset() to set a component property to be null.
* @param string $name the property name or the event name
* @throws CException if the property is read only.
* @since 1.0.1
*/
public function __unset($name)
{
$setter='set'.$name;
if(method_exists($this,$setter))
$this->$setter(null);
else if(method_exists($this,$name) && strncasecmp($name,'on',2)===0)
unset($this->_e[strtolower($name)]);
else if(isset($this->_m[$name]))
$this->detachBehavior($name);
else if(is_array($this->_m))
{
foreach($this->_m as $object)
{
if($object->getEnabled() && $object->canSetProperty($name))
return $object->$name=null;
}
}
else if(method_exists($this,'get'.$name))
throw new Exception('Unable to unset read-only property: ' . get_class($this) . '.' $name);
}
/**
* Calls the named method which is not a class method.
* Do not call this method. This is a PHP magic method that we override
* to implement the behavior feature.
* @param string $name the method name
* @param array $parameters method parameters
* @return mixed the method return value
* @since 1.0.2
*/
public function __call($name,$parameters)
{
if($this->_m!==null)
{
foreach($this->_m as $object)
{
if($object->getEnabled() && method_exists($object,$name))
return call_user_func_array(array($object,$name),$parameters);
}
}
if($this->canGetProperty($name) && $this->$name instanceof \Closure)
return call_user_func_array($this->$name, $parameters);
throw new Exception('Unknown method: ' . get_class($this) . '::' $name . '()');
}
/**
* Returns the named behavior object.
* The name 'asa' stands for 'as a'.
* @param string $behavior the behavior name
* @return IBehavior the behavior object, or null if the behavior does not exist
* @since 1.0.2
*/
public function asa($behavior)
{
return isset($this->_m[$behavior]) ? $this->_m[$behavior] : null;
}
/**
* Attaches a list of behaviors to the component.
* Each behavior is indexed by its name and should be an instance of
* {@link IBehavior}, a string specifying the behavior class, or an
* array of the following structure:
* <pre>
* array(
* 'class'=>'path.to.BehaviorClass',
* 'property1'=>'value1',
* 'property2'=>'value2',
* )
* </pre>
* @param array $behaviors list of behaviors to be attached to the component
* @since 1.0.2
*/
public function attachBehaviors($behaviors)
{
foreach($behaviors as $name=>$behavior)
$this->attachBehavior($name,$behavior);
}
/**
* Detaches all behaviors from the component.
* @since 1.0.2
*/
public function detachBehaviors()
{
if($this->_m!==null)
{
foreach($this->_m as $name=>$behavior)
$this->detachBehavior($name);
$this->_m=null;
}
}
/**
* Attaches a behavior to this component.
* This method will create the behavior object based on the given
* configuration. After that, the behavior object will be initialized
* by calling its {@link IBehavior::attach} method.
* @param string $name the behavior's name. It should uniquely identify this behavior.
* @param mixed $behavior the behavior configuration. This is passed as the first
* parameter to {@link YiiBase::createComponent} to create the behavior object.
* @return IBehavior the behavior object
* @since 1.0.2
*/
public function attachBehavior($name,$behavior)
{
if(!($behavior instanceof IBehavior))
$behavior=Yii::createComponent($behavior);
$behavior->setEnabled(true);
$behavior->attach($this);
return $this->_m[$name]=$behavior;
}
/**
* Detaches a behavior from the component.
* The behavior's {@link IBehavior::detach} method will be invoked.
* @param string $name the behavior's name. It uniquely identifies the behavior.
* @return IBehavior the detached behavior. Null if the behavior does not exist.
* @since 1.0.2
*/
public function detachBehavior($name)
{
if(isset($this->_m[$name]))
{
$this->_m[$name]->detach($this);
$behavior=$this->_m[$name];
unset($this->_m[$name]);
return $behavior;
}
}
/**
* Enables all behaviors attached to this component.
* @since 1.0.2
*/
public function enableBehaviors()
{
if($this->_m!==null)
{
foreach($this->_m as $behavior)
$behavior->setEnabled(true);
}
}
/**
* Disables all behaviors attached to this component.
* @since 1.0.2
*/
public function disableBehaviors()
{
if($this->_m!==null)
{
foreach($this->_m as $behavior)
$behavior->setEnabled(false);
}
}
/**
* Enables an attached behavior.
* A behavior is only effective when it is enabled.
* A behavior is enabled when first attached.
* @param string $name the behavior's name. It uniquely identifies the behavior.
* @since 1.0.2
*/
public function enableBehavior($name)
{
if(isset($this->_m[$name]))
$this->_m[$name]->setEnabled(true);
}
/**
* Disables an attached behavior.
* A behavior is only effective when it is enabled.
* @param string $name the behavior's name. It uniquely identifies the behavior.
* @since 1.0.2
*/
public function disableBehavior($name)
{
if(isset($this->_m[$name]))
$this->_m[$name]->setEnabled(false);
}
/**
* Determines whether a property is defined.
* A property is defined if there is a getter or setter method
* defined in the class. Note, property names are case-insensitive.
* @param string $name the property name
* @return boolean whether the property is defined
* @see canGetProperty
* @see canSetProperty
*/
public function hasProperty($name)
{
return method_exists($this,'get'.$name) || method_exists($this,'set'.$name);
}
/**
* Determines whether a property can be read.
* A property can be read if the class has a getter method
* for the property name. Note, property name is case-insensitive.
* @param string $name the property name
* @param boolean $checkVar whether to check class properties. If false, only properties declared by getters will be checked.
* @return boolean whether the property can be read
* @see canSetProperty
*/
public function canGetProperty($name, $checkVar=true)
{
return method_exists($this,'get'.$name) || $checkVar && property_exists($this,$name);
}
/**
* Determines whether a property can be set.
* A property can be written if the class has a setter method
* for the property name. Note, property name is case-insensitive.
* @param string $name the property name
* @param boolean $checkVar whether to check class properties. If false, only properties declared by setters will be checked.
* @return boolean whether the property can be written
* @see canGetProperty
*/
public function canSetProperty($name, $checkVar=true)
{
return method_exists($this,'set'.$name) || $checkVar && property_exists($this,$name);
}
/**
* Determines whether an event is defined.
* An event is defined if the class has a method named like 'onXXX'.
* Note, event name is case-insensitive.
* @param string $name the event name
* @return boolean whether an event is defined
*/
public function hasEvent($name)
{
return !strncasecmp($name,'on',2) && method_exists($this,$name);
}
/**
* Checks whether the named event has attached handlers.
* @param string $name the event name
* @return boolean whether an event has been attached one or several handlers
*/
public function hasEventHandler($name)
{
$name=strtolower($name);
return isset($this->_e[$name]) && $this->_e[$name]->getCount()>0;
}
/**
* Returns the list of attached event handlers for an event.
* @param string $name the event name
* @return CList list of attached event handlers for the event
* @throws CException if the event is not defined
*/
public function getEventHandlers($name)
{
if($this->hasEvent($name))
{
$name=strtolower($name);
if(!isset($this->_e[$name]))
$this->_e[$name]=new CList;
return $this->_e[$name];
}
else
throw new CException(Yii::t('yii','Event "{class}.{event}" is not defined.',
array('{class}'=>get_class($this), '{event}'=>$name)));
}
/**
* Attaches an event handler to an event.
*
* An event handler must be a valid PHP callback, i.e., a string referring to
* a global function name, or an array containing two elements with
* the first element being an object and the second element a method name
* of the object.
*
* An event handler must be defined with the following signature,
* <pre>
* function handlerName($event) {}
* </pre>
* where $event includes parameters associated with the event.
*
* This is a convenient method of attaching a handler to an event.
* It is equivalent to the following code:
* <pre>
* $component->getEventHandlers($eventName)->add($eventHandler);
* </pre>
*
* Using {@link getEventHandlers}, one can also specify the excution order
* of multiple handlers attaching to the same event. For example:
* <pre>
* $component->getEventHandlers($eventName)->insertAt(0,$eventHandler);
* </pre>
* makes the handler to be invoked first.
*
* @param string $name the event name
* @param callback $handler the event handler
* @throws CException if the event is not defined
* @see detachEventHandler
*/
public function attachEventHandler($name,$handler)
{
$this->getEventHandlers($name)->add($handler);
}
/**
* Detaches an existing event handler.
* This method is the opposite of {@link attachEventHandler}.
* @param string $name event name
* @param callback $handler the event handler to be removed
* @return boolean if the detachment process is successful
* @see attachEventHandler
*/
public function detachEventHandler($name,$handler)
{
if($this->hasEventHandler($name))
return $this->getEventHandlers($name)->remove($handler)!==false;
else
return false;
}
/**
* Raises an event.
* This method represents the happening of an event. It invokes
* all attached handlers for the event.
* @param string $name the event name
* @param CEvent $event the event parameter
* @throws CException if the event is undefined or an event handler is invalid.
*/
public function raiseEvent($name,$event)
{
$name=strtolower($name);
if(isset($this->_e[$name]))
{
foreach($this->_e[$name] as $handler)
{
if(is_string($handler))
call_user_func($handler,$event);
else if(is_callable($handler,true))
{
if(is_array($handler))
{
// an array: 0 - object, 1 - method name
list($object,$method)=$handler;
if(is_string($object)) // static method call
call_user_func($handler,$event);
else if(method_exists($object,$method))
$object->$method($event);
else
throw new CException(Yii::t('yii','Event "{class}.{event}" is attached with an invalid handler "{handler}".',
array('{class}'=>get_class($this), '{event}'=>$name, '{handler}'=>$handler[1])));
}
else // PHP 5.3: anonymous function
call_user_func($handler,$event);
}
else
throw new CException(Yii::t('yii','Event "{class}.{event}" is attached with an invalid handler "{handler}".',
array('{class}'=>get_class($this), '{event}'=>$name, '{handler}'=>gettype($handler))));
// stop further handling if param.handled is set true
if(($event instanceof CEvent) && $event->handled)
return;
}
}
else if(YII_DEBUG && !$this->hasEvent($name))
throw new CException(Yii::t('yii','Event "{class}.{event}" is not defined.',
array('{class}'=>get_class($this), '{event}'=>$name)));
}
/**
* Evaluates a PHP expression or callback under the context of this component.
*
* Valid PHP callback can be class method name in the form of
* array(ClassName/Object, MethodName), or anonymous function (only available in PHP 5.3.0 or above).
*
* If a PHP callback is used, the corresponding function/method signature should be
* <pre>
* function foo($param1, $param2, ..., $component) { ... }
* </pre>
* where the array elements in the second parameter to this method will be passed
* to the callback as $param1, $param2, ...; and the last parameter will be the component itself.
*
* If a PHP expression is used, the second parameter will be "extracted" into PHP variables
* that can be directly accessed in the expression. See {@link http://us.php.net/manual/en/function.extract.php PHP extract}
* for more details. In the expression, the component object can be accessed using $this.
*
* @param mixed $_expression_ a PHP expression or PHP callback to be evaluated.
* @param array $_data_ additional parameters to be passed to the above expression/callback.
* @return mixed the expression result
* @since 1.1.0
*/
public function evaluateExpression($_expression_,$_data_=array())
{
if(is_string($_expression_))
{
extract($_data_);
return eval('return '.$_expression_.';');
}
else
{
$_data_[]=$this;
return call_user_func_array($_expression_, $_data_);
}
}
}

39
framework/base/Event.php
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<?php
namespace yii\base;
/**
* CEvent is the base class for all event classes.
*
* It encapsulates the parameters associated with an event.
* The {@link sender} property describes who raises the event.
* And the {@link handled} property indicates if the event is handled.
* If an event handler sets {@link handled} to true, those handlers
* that are not invoked yet will not be invoked anymore.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @version $Id: CComponent.php 3001 2011-02-24 16:42:44Z alexander.makarow $
* @package system.base
* @since 1.0
*/
class CEvent extends CComponent
{
/**
* @var object the sender of this event
*/
public $sender;
/**
* @var boolean whether the event is handled. Defaults to false.
* When a handler sets this true, the rest of the uninvoked event handlers will not be invoked anymore.
*/
public $handled=false;
/**
* Constructor.
* @param mixed $sender sender of the event
*/
public function __construct($sender=null)
{
$this->sender=$sender;
}
}

795
framework/base/YiiBase.php
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<?php
namespace yii;
/**
* Gets the application start timestamp.
*/
defined('YII_BEGIN_TIME') or define('YII_BEGIN_TIME',microtime(true));
/**
* This constant defines whether the application should be in debug mode or not. Defaults to false.
*/
defined('YII_DEBUG') or define('YII_DEBUG',false);
/**
* This constant defines how much call stack information (file name and line number) should be logged by Yii::trace().
* Defaults to 0, meaning no backtrace information. If it is greater than 0,
* at most that number of call stacks will be logged. Note, only user application call stacks are considered.
*/
defined('YII_TRACE_LEVEL') or define('YII_TRACE_LEVEL',0);
/**
* This constant defines whether exception handling should be enabled. Defaults to true.
*/
defined('YII_ENABLE_EXCEPTION_HANDLER') or define('YII_ENABLE_EXCEPTION_HANDLER',true);
/**
* This constant defines whether error handling should be enabled. Defaults to true.
*/
defined('YII_ENABLE_ERROR_HANDLER') or define('YII_ENABLE_ERROR_HANDLER',true);
/**
* Defines the Yii framework installation path.
*/
defined('YII_PATH') or define('YII_PATH',dirname(__FILE__));
/**
* Defines the Zii library installation path.
*/
defined('YII_ZII_PATH') or define('YII_ZII_PATH',YII_PATH.DIRECTORY_SEPARATOR.'zii');
/**
* YiiBase is a helper class serving common framework functionalities.
*
* Do not use YiiBase directly. Instead, use its child class {@link Yii} where
* you can customize methods of YiiBase.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @version $Id: YiiBase.php 2895 2011-01-20 10:33:02Z mdomba $
* @package system
* @since 1.0
*/
class YiiBase
{
/**
* @var array class map used by the Yii autoloading mechanism.
* The array keys are the class names and the array values are the corresponding class file paths.
* @since 1.1.5
*/
public static $classMap=array();
private static $_aliases=array('system'=>YII_PATH,'zii'=>YII_ZII_PATH); // alias => path
private static $_imports=array(); // alias => class name or directory
private static $_includePaths; // list of include paths
private static $_app;
private static $_logger;
/**
* @return string the version of Yii framework
*/
public static function getVersion()
{
return '1.1.7-dev';
}
/**
* Creates a Web application instance.
* @param mixed $config application configuration.
* If a string, it is treated as the path of the file that contains the configuration;
* If an array, it is the actual configuration information.
* Please make sure you specify the {@link CApplication::basePath basePath} property in the configuration,
* which should point to the directory containing all application logic, template and data.
* If not, the directory will be defaulted to 'protected'.
*/
public static function createWebApplication($config=null)
{
return self::createApplication('CWebApplication',$config);
}
/**
* Creates a console application instance.
* @param mixed $config application configuration.
* If a string, it is treated as the path of the file that contains the configuration;
* If an array, it is the actual configuration information.
* Please make sure you specify the {@link CApplication::basePath basePath} property in the configuration,
* which should point to the directory containing all application logic, template and data.
* If not, the directory will be defaulted to 'protected'.
*/
public static function createConsoleApplication($config=null)
{
return self::createApplication('CConsoleApplication',$config);
}
/**
* Creates an application of the specified class.
* @param string $class the application class name
* @param mixed $config application configuration. This parameter will be passed as the parameter
* to the constructor of the application class.
* @return mixed the application instance
* @since 1.0.10
*/
public static function createApplication($class,$config=null)
{
return new $class($config);
}
/**
* Returns the application singleton, null if the singleton has not been created yet.
* @return CApplication the application singleton, null if the singleton has not been created yet.
*/
public static function app()
{
return self::$_app;
}
/**
* Stores the application instance in the class static member.
* This method helps implement a singleton pattern for CApplication.
* Repeated invocation of this method or the CApplication constructor
* will cause the throw of an exception.
* To retrieve the application instance, use {@link app()}.
* @param CApplication $app the application instance. If this is null, the existing
* application singleton will be removed.
* @throws CException if multiple application instances are registered.
*/
public static function setApplication($app)
{
if(self::$_app===null || $app===null)
self::$_app=$app;
else
throw new CException(Yii::t('yii','Yii application can only be created once.'));
}
/**
* @return string the path of the framework
*/
public static function getFrameworkPath()
{
return YII_PATH;
}
/**
* Creates an object and initializes it based on the given configuration.
*
* The specified configuration can be either a string or an array.
* If the former, the string is treated as the object type which can
* be either the class name or {@link YiiBase::getPathOfAlias class path alias}.
* If the latter, the 'class' element is treated as the object type,
* and the rest name-value pairs in the array are used to initialize
* the corresponding object properties.
*
* Any additional parameters passed to this method will be
* passed to the constructor of the object being created.
*
* NOTE: the array-typed configuration has been supported since version 1.0.1.
*
* @param mixed $config the configuration. It can be either a string or an array.
* @return mixed the created object
* @throws CException if the configuration does not have a 'class' element.
*/
public static function createComponent($config)
{
if(is_string($config))
{
$type=$config;
$config=array();
}
else if(isset($config['class']))
{
$type=$config['class'];
unset($config['class']);
}
else
throw new CException(Yii::t('yii','Object configuration must be an array containing a "class" element.'));
if(!class_exists($type,false))
$type=Yii::import($type,true);
if(($n=func_num_args())>1)
{
$args=func_get_args();
if($n===2)
$object=new $type($args[1]);
else if($n===3)
$object=new $type($args[1],$args[2]);
else if($n===4)
$object=new $type($args[1],$args[2],$args[3]);
else
{
unset($args[0]);
$class=new ReflectionClass($type);
// Note: ReflectionClass::newInstanceArgs() is available for PHP 5.1.3+
// $object=$class->newInstanceArgs($args);
$object=call_user_func_array(array($class,'newInstance'),$args);
}
}
else
$object=new $type;
foreach($config as $key=>$value)
$object->$key=$value;
return $object;
}
/**
* Imports a class or a directory.
*
* Importing a class is like including the corresponding class file.
* The main difference is that importing a class is much lighter because it only
* includes the class file when the class is referenced the first time.
*
* Importing a directory is equivalent to adding a directory into the PHP include path.
* If multiple directories are imported, the directories imported later will take
* precedence in class file searching (i.e., they are added to the front of the PHP include path).
*
* Path aliases are used to import a class or directory. For example,
* <ul>
* <li><code>application.components.GoogleMap</code>: import the <code>GoogleMap</code> class.</li>
* <li><code>application.components.*</code>: import the <code>components</code> directory.</li>
* </ul>
*
* The same path alias can be imported multiple times, but only the first time is effective.
* Importing a directory does not import any of its subdirectories.
*
* Starting from version 1.1.5, this method can also be used to import a class in namespace format
* (available for PHP 5.3 or above only). It is similar to importing a class in path alias format,
* except that the dot separator is replaced by the backslash separator. For example, importing
* <code>application\components\GoogleMap</code> is similar to importing <code>application.components.GoogleMap</code>.
* The difference is that the former class is using qualified name, while the latter unqualified.
*
* Note, importing a class in namespace format requires that the namespace is corresponding to
* a valid path alias if we replace the backslash characters with dot characters.
* For example, the namespace <code>application\components</code> must correspond to a valid
* path alias <code>application.components</code>.
*
* @param string $alias path alias to be imported
* @param boolean $forceInclude whether to include the class file immediately. If false, the class file
* will be included only when the class is being used. This parameter is used only when
* the path alias refers to a class.
* @return string the class name or the directory that this alias refers to
* @throws CException if the alias is invalid
*/
public static function import($alias,$forceInclude=false)
{
if(isset(self::$_imports[$alias])) // previously imported
return self::$_imports[$alias];
if(class_exists($alias,false) || interface_exists($alias,false))
return self::$_imports[$alias]=$alias;
if(($pos=strrpos($alias,'\\'))!==false) // a class name in PHP 5.3 namespace format
{
$namespace=str_replace('\\','.',ltrim(substr($alias,0,$pos),'\\'));
if(($path=self::getPathOfAlias($namespace))!==false)
{
$classFile=$path.DIRECTORY_SEPARATOR.substr($alias,$pos+1).'.php';
if($forceInclude)
{
if(is_file($classFile))
require($classFile);
else
throw new CException(Yii::t('yii','Alias "{alias}" is invalid. Make sure it points to an existing PHP file.',array('{alias}'=>$alias)));
self::$_imports[$alias]=$alias;
}
else
self::$classMap[$alias]=$classFile;
return $alias;
}
else
throw new CException(Yii::t('yii','Alias "{alias}" is invalid. Make sure it points to an existing directory.',
array('{alias}'=>$namespace)));
}
if(($pos=strrpos($alias,'.'))===false) // a simple class name
{
if($forceInclude && self::autoload($alias))
self::$_imports[$alias]=$alias;
return $alias;
}
$className=(string)substr($alias,$pos+1);
$isClass=$className!=='*';
if($isClass && (class_exists($className,false) || interface_exists($className,false)))
return self::$_imports[$alias]=$className;
if(($path=self::getPathOfAlias($alias))!==false)
{
if($isClass)
{
if($forceInclude)
{
if(is_file($path.'.php'))
require($path.'.php');
else
throw new CException(Yii::t('yii','Alias "{alias}" is invalid. Make sure it points to an existing PHP file.',array('{alias}'=>$alias)));
self::$_imports[$alias]=$className;
}
else
self::$classMap[$className]=$path.'.php';
return $className;
}
else // a directory
{
if(self::$_includePaths===null)
{
self::$_includePaths=array_unique(explode(PATH_SEPARATOR,get_include_path()));
if(($pos=array_search('.',self::$_includePaths,true))!==false)
unset(self::$_includePaths[$pos]);
}
array_unshift(self::$_includePaths,$path);
if(set_include_path('.'.PATH_SEPARATOR.implode(PATH_SEPARATOR,self::$_includePaths))===false)
throw new CException(Yii::t('yii','Unable to import "{alias}". Please check your server configuration to make sure you are allowed to change PHP include_path.',array('{alias}'=>$alias)));
return self::$_imports[$alias]=$path;
}
}
else
throw new CException(Yii::t('yii','Alias "{alias}" is invalid. Make sure it points to an existing directory or file.',
array('{alias}'=>$alias)));
}
/**
* Translates an alias into a file path.
* Note, this method does not ensure the existence of the resulting file path.
* It only checks if the root alias is valid or not.
* @param string $alias alias (e.g. system.web.CController)
* @return mixed file path corresponding to the alias, false if the alias is invalid.
*/
public static function getPathOfAlias($alias)
{
if(isset(self::$_aliases[$alias]))
return self::$_aliases[$alias];
else if(($pos=strpos($alias,'.'))!==false)
{
$rootAlias=substr($alias,0,$pos);
if(isset(self::$_aliases[$rootAlias]))
return self::$_aliases[$alias]=rtrim(self::$_aliases[$rootAlias].DIRECTORY_SEPARATOR.str_replace('.',DIRECTORY_SEPARATOR,substr($alias,$pos+1)),'*'.DIRECTORY_SEPARATOR);
else if(self::$_app instanceof CWebApplication)
{
if(self::$_app->findModule($rootAlias)!==null)
return self::getPathOfAlias($alias);
}
}
return false;
}
/**
* Create a path alias.
* Note, this method neither checks the existence of the path nor normalizes the path.
* @param string $alias alias to the path
* @param string $path the path corresponding to the alias. If this is null, the corresponding
* path alias will be removed.
*/
public static function setPathOfAlias($alias,$path)
{
if(empty($path))
unset(self::$_aliases[$alias]);
else
self::$_aliases[$alias]=rtrim($path,'\\/');
}
/**
* Class autoload loader.
* This method is provided to be invoked within an __autoload() magic method.
* @param string $className class name
* @return boolean whether the class has been loaded successfully
*/
public static function autoload($className)
{
// use include so that the error PHP file may appear
if(isset(self::$_coreClasses[$className]))
include(YII_PATH.self::$_coreClasses[$className]);
else if(isset(self::$classMap[$className]))
include(self::$classMap[$className]);
else
{
if(strpos($className,'\\')===false)
include($className.'.php');
else // class name with namespace in PHP 5.3
{
$namespace=str_replace('\\','.',ltrim($className,'\\'));
if(($path=self::getPathOfAlias($namespace))!==false)
include($path.'.php');
else
return false;
}
return class_exists($className,false) || interface_exists($className,false);
}
return true;
}
/**
* Writes a trace message.
* This method will only log a message when the application is in debug mode.
* @param string $msg message to be logged
* @param string $category category of the message
* @see log
*/
public static function trace($msg,$category='application')
{
if(YII_DEBUG)
self::log($msg,CLogger::LEVEL_TRACE,$category);
}
/**
* Logs a message.
* Messages logged by this method may be retrieved via {@link CLogger::getLogs}
* and may be recorded in different media, such as file, email, database, using
* {@link CLogRouter}.
* @param string $msg message to be logged
* @param string $level level of the message (e.g. 'trace', 'warning', 'error'). It is case-insensitive.
* @param string $category category of the message (e.g. 'system.web'). It is case-insensitive.
*/
public static function log($msg,$level=CLogger::LEVEL_INFO,$category='application')
{
if(self::$_logger===null)
self::$_logger=new CLogger;
if(YII_DEBUG && YII_TRACE_LEVEL>0 && $level!==CLogger::LEVEL_PROFILE)
{
$traces=debug_backtrace();
$count=0;
foreach($traces as $trace)
{
if(isset($trace['file'],$trace['line']) && strpos($trace['file'],YII_PATH)!==0)
{
$msg.="\nin ".$trace['file'].' ('.$trace['line'].')';
if(++$count>=YII_TRACE_LEVEL)
break;
}
}
}
self::$_logger->log($msg,$level,$category);
}
/**
* Marks the begin of a code block for profiling.
* This has to be matched with a call to {@link endProfile()} with the same token.
* The begin- and end- calls must also be properly nested, e.g.,
* <pre>
* Yii::beginProfile('block1');
* Yii::beginProfile('block2');
* Yii::endProfile('block2');
* Yii::endProfile('block1');
* </pre>
* The following sequence is not valid:
* <pre>
* Yii::beginProfile('block1');
* Yii::beginProfile('block2');
* Yii::endProfile('block1');
* Yii::endProfile('block2');
* </pre>
* @param string $token token for the code block
* @param string $category the category of this log message
* @see endProfile
*/
public static function beginProfile($token,$category='application')
{
self::log('begin:'.$token,CLogger::LEVEL_PROFILE,$category);
}
/**
* Marks the end of a code block for profiling.
* This has to be matched with a previous call to {@link beginProfile()} with the same token.
* @param string $token token for the code block
* @param string $category the category of this log message
* @see beginProfile
*/
public static function endProfile($token,$category='application')
{
self::log('end:'.$token,CLogger::LEVEL_PROFILE,$category);
}
/**
* @return CLogger message logger
*/
public static function getLogger()
{
if(self::$_logger!==null)
return self::$_logger;
else
return self::$_logger=new CLogger;
}
/**
* Returns a string that can be displayed on your Web page showing Powered-by-Yii information
* @return string a string that can be displayed on your Web page showing Powered-by-Yii information
*/
public static function powered()
{
return 'Powered by <a href="http://www.yiiframework.com/" rel="external">Yii Framework</a>.';
}
/**
* Translates a message to the specified language.
* Starting from version 1.0.2, this method supports choice format (see {@link CChoiceFormat}),
* i.e., the message returned will be chosen from a few candidates according to the given
* number value. This feature is mainly used to solve plural format issue in case
* a message has different plural forms in some languages.
* @param string $category message category. Please use only word letters. Note, category 'yii' is
* reserved for Yii framework core code use. See {@link CPhpMessageSource} for
* more interpretation about message category.
* @param string $message the original message
* @param array $params parameters to be applied to the message using <code>strtr</code>.
* Starting from version 1.0.2, the first parameter can be a number without key.
* And in this case, the method will call {@link CChoiceFormat::format} to choose
* an appropriate message translation.
* Starting from version 1.1.6 you can pass parameter for {@link CChoiceFormat::format}
* or plural forms format without wrapping it with array.
* @param string $source which message source application component to use.
* Defaults to null, meaning using 'coreMessages' for messages belonging to
* the 'yii' category and using 'messages' for the rest messages.
* @param string $language the target language. If null (default), the {@link CApplication::getLanguage application language} will be used.
* This parameter has been available since version 1.0.3.
* @return string the translated message
* @see CMessageSource
*/
public static function t($category,$message,$params=array(),$source=null,$language=null)
{
if(self::$_app!==null)
{
if($source===null)
$source=($category==='yii'||$category==='zii')?'coreMessages':'messages';
if(($source=self::$_app->getComponent($source))!==null)
$message=$source->translate($category,$message,$language);
}
if($params===array())
return $message;
if(!is_array($params))
$params=array($params);
if(isset($params[0])) // number choice
{
if(strpos($message,'|')!==false)
{
if(strpos($message,'#')===false)
{
$chunks=explode('|',$message);
$expressions=self::$_app->getLocale($language)->getPluralRules();
if($n=min(count($chunks),count($expressions)))
{
for($i=0;$i<$n;$i++)
$chunks[$i]=$expressions[$i].'#'.$chunks[$i];
$message=implode('|',$chunks);
}
}
$message=CChoiceFormat::format($message,$params[0]);
}
if(!isset($params['{n}']))
$params['{n}']=$params[0];
unset($params[0]);
}
return $params!==array() ? strtr($message,$params) : $message;
}
/**
* Registers a new class autoloader.
* The new autoloader will be placed before {@link autoload} and after
* any other existing autoloaders.
* @param callback $callback a valid PHP callback (function name or array($className,$methodName)).
* @since 1.0.10
*/
public static function registerAutoloader($callback)
{
spl_autoload_unregister(array('YiiBase','autoload'));
spl_autoload_register($callback);
spl_autoload_register(array('YiiBase','autoload'));
}
/**
* @var array class map for core Yii classes.
* NOTE, DO NOT MODIFY THIS ARRAY MANUALLY. IF YOU CHANGE OR ADD SOME CORE CLASSES,
* PLEASE RUN 'build autoload' COMMAND TO UPDATE THIS ARRAY.
*/
private static $_coreClasses=array(
'CApplication' => '/base/CApplication.php',
'CApplicationComponent' => '/base/CApplicationComponent.php',
'CBehavior' => '/base/CBehavior.php',
'CComponent' => '/base/CComponent.php',
'CErrorEvent' => '/base/CErrorEvent.php',
'CErrorHandler' => '/base/CErrorHandler.php',
'CException' => '/base/CException.php',
'CExceptionEvent' => '/base/CExceptionEvent.php',
'CHttpException' => '/base/CHttpException.php',
'CModel' => '/base/CModel.php',
'CModelBehavior' => '/base/CModelBehavior.php',
'CModelEvent' => '/base/CModelEvent.php',
'CModule' => '/base/CModule.php',
'CSecurityManager' => '/base/CSecurityManager.php',
'CStatePersister' => '/base/CStatePersister.php',
'CApcCache' => '/caching/CApcCache.php',
'CCache' => '/caching/CCache.php',
'CDbCache' => '/caching/CDbCache.php',
'CDummyCache' => '/caching/CDummyCache.php',
'CEAcceleratorCache' => '/caching/CEAcceleratorCache.php',
'CFileCache' => '/caching/CFileCache.php',
'CMemCache' => '/caching/CMemCache.php',
'CWinCache' => '/caching/CWinCache.php',
'CXCache' => '/caching/CXCache.php',
'CZendDataCache' => '/caching/CZendDataCache.php',
'CCacheDependency' => '/caching/dependencies/CCacheDependency.php',
'CChainedCacheDependency' => '/caching/dependencies/CChainedCacheDependency.php',
'CDbCacheDependency' => '/caching/dependencies/CDbCacheDependency.php',
'CDirectoryCacheDependency' => '/caching/dependencies/CDirectoryCacheDependency.php',
'CExpressionDependency' => '/caching/dependencies/CExpressionDependency.php',
'CFileCacheDependency' => '/caching/dependencies/CFileCacheDependency.php',
'CGlobalStateCacheDependency' => '/caching/dependencies/CGlobalStateCacheDependency.php',
'CAttributeCollection' => '/collections/CAttributeCollection.php',
'CConfiguration' => '/collections/CConfiguration.php',
'CList' => '/collections/CList.php',
'CListIterator' => '/collections/CListIterator.php',
'CMap' => '/collections/CMap.php',
'CMapIterator' => '/collections/CMapIterator.php',
'CQueue' => '/collections/CQueue.php',
'CQueueIterator' => '/collections/CQueueIterator.php',
'CStack' => '/collections/CStack.php',
'CStackIterator' => '/collections/CStackIterator.php',
'CTypedList' => '/collections/CTypedList.php',
'CTypedMap' => '/collections/CTypedMap.php',
'CConsoleApplication' => '/console/CConsoleApplication.php',
'CConsoleCommand' => '/console/CConsoleCommand.php',
'CConsoleCommandRunner' => '/console/CConsoleCommandRunner.php',
'CHelpCommand' => '/console/CHelpCommand.php',
'CDbCommand' => '/db/CDbCommand.php',
'CDbConnection' => '/db/CDbConnection.php',
'CDbDataReader' => '/db/CDbDataReader.php',
'CDbException' => '/db/CDbException.php',
'CDbMigration' => '/db/CDbMigration.php',
'CDbTransaction' => '/db/CDbTransaction.php',
'CActiveFinder' => '/db/ar/CActiveFinder.php',
'CActiveRecord' => '/db/ar/CActiveRecord.php',
'CActiveRecordBehavior' => '/db/ar/CActiveRecordBehavior.php',
'CDbColumnSchema' => '/db/schema/CDbColumnSchema.php',
'CDbCommandBuilder' => '/db/schema/CDbCommandBuilder.php',
'CDbCriteria' => '/db/schema/CDbCriteria.php',
'CDbExpression' => '/db/schema/CDbExpression.php',
'CDbSchema' => '/db/schema/CDbSchema.php',
'CDbTableSchema' => '/db/schema/CDbTableSchema.php',
'CMssqlColumnSchema' => '/db/schema/mssql/CMssqlColumnSchema.php',
'CMssqlCommandBuilder' => '/db/schema/mssql/CMssqlCommandBuilder.php',
'CMssqlPdoAdapter' => '/db/schema/mssql/CMssqlPdoAdapter.php',
'CMssqlSchema' => '/db/schema/mssql/CMssqlSchema.php',
'CMssqlTableSchema' => '/db/schema/mssql/CMssqlTableSchema.php',
'CMysqlColumnSchema' => '/db/schema/mysql/CMysqlColumnSchema.php',
'CMysqlSchema' => '/db/schema/mysql/CMysqlSchema.php',
'CMysqlTableSchema' => '/db/schema/mysql/CMysqlTableSchema.php',
'COciColumnSchema' => '/db/schema/oci/COciColumnSchema.php',
'COciCommandBuilder' => '/db/schema/oci/COciCommandBuilder.php',
'COciSchema' => '/db/schema/oci/COciSchema.php',
'COciTableSchema' => '/db/schema/oci/COciTableSchema.php',
'CPgsqlColumnSchema' => '/db/schema/pgsql/CPgsqlColumnSchema.php',
'CPgsqlSchema' => '/db/schema/pgsql/CPgsqlSchema.php',
'CPgsqlTableSchema' => '/db/schema/pgsql/CPgsqlTableSchema.php',
'CSqliteColumnSchema' => '/db/schema/sqlite/CSqliteColumnSchema.php',
'CSqliteCommandBuilder' => '/db/schema/sqlite/CSqliteCommandBuilder.php',
'CSqliteSchema' => '/db/schema/sqlite/CSqliteSchema.php',
'CChoiceFormat' => '/i18n/CChoiceFormat.php',
'CDateFormatter' => '/i18n/CDateFormatter.php',
'CDbMessageSource' => '/i18n/CDbMessageSource.php',
'CGettextMessageSource' => '/i18n/CGettextMessageSource.php',
'CLocale' => '/i18n/CLocale.php',
'CMessageSource' => '/i18n/CMessageSource.php',
'CNumberFormatter' => '/i18n/CNumberFormatter.php',
'CPhpMessageSource' => '/i18n/CPhpMessageSource.php',
'CGettextFile' => '/i18n/gettext/CGettextFile.php',
'CGettextMoFile' => '/i18n/gettext/CGettextMoFile.php',
'CGettextPoFile' => '/i18n/gettext/CGettextPoFile.php',
'CDbLogRoute' => '/logging/CDbLogRoute.php',
'CEmailLogRoute' => '/logging/CEmailLogRoute.php',
'CFileLogRoute' => '/logging/CFileLogRoute.php',
'CLogFilter' => '/logging/CLogFilter.php',
'CLogRoute' => '/logging/CLogRoute.php',
'CLogRouter' => '/logging/CLogRouter.php',
'CLogger' => '/logging/CLogger.php',
'CProfileLogRoute' => '/logging/CProfileLogRoute.php',
'CWebLogRoute' => '/logging/CWebLogRoute.php',
'CDateTimeParser' => '/utils/CDateTimeParser.php',
'CFileHelper' => '/utils/CFileHelper.php',
'CFormatter' => '/utils/CFormatter.php',
'CMarkdownParser' => '/utils/CMarkdownParser.php',
'CPropertyValue' => '/utils/CPropertyValue.php',
'CTimestamp' => '/utils/CTimestamp.php',
'CVarDumper' => '/utils/CVarDumper.php',
'CBooleanValidator' => '/validators/CBooleanValidator.php',
'CCaptchaValidator' => '/validators/CCaptchaValidator.php',
'CCompareValidator' => '/validators/CCompareValidator.php',
'CDefaultValueValidator' => '/validators/CDefaultValueValidator.php',
'CEmailValidator' => '/validators/CEmailValidator.php',
'CExistValidator' => '/validators/CExistValidator.php',
'CFileValidator' => '/validators/CFileValidator.php',
'CFilterValidator' => '/validators/CFilterValidator.php',
'CInlineValidator' => '/validators/CInlineValidator.php',
'CNumberValidator' => '/validators/CNumberValidator.php',
'CRangeValidator' => '/validators/CRangeValidator.php',
'CRegularExpressionValidator' => '/validators/CRegularExpressionValidator.php',
'CRequiredValidator' => '/validators/CRequiredValidator.php',
'CSafeValidator' => '/validators/CSafeValidator.php',
'CStringValidator' => '/validators/CStringValidator.php',
'CTypeValidator' => '/validators/CTypeValidator.php',
'CUniqueValidator' => '/validators/CUniqueValidator.php',
'CUnsafeValidator' => '/validators/CUnsafeValidator.php',
'CUrlValidator' => '/validators/CUrlValidator.php',
'CValidator' => '/validators/CValidator.php',
'CActiveDataProvider' => '/web/CActiveDataProvider.php',
'CArrayDataProvider' => '/web/CArrayDataProvider.php',
'CAssetManager' => '/web/CAssetManager.php',
'CBaseController' => '/web/CBaseController.php',
'CCacheHttpSession' => '/web/CCacheHttpSession.php',
'CClientScript' => '/web/CClientScript.php',
'CController' => '/web/CController.php',
'CDataProvider' => '/web/CDataProvider.php',
'CDbHttpSession' => '/web/CDbHttpSession.php',
'CExtController' => '/web/CExtController.php',
'CFormModel' => '/web/CFormModel.php',
'CHttpCookie' => '/web/CHttpCookie.php',
'CHttpRequest' => '/web/CHttpRequest.php',
'CHttpSession' => '/web/CHttpSession.php',
'CHttpSessionIterator' => '/web/CHttpSessionIterator.php',
'COutputEvent' => '/web/COutputEvent.php',
'CPagination' => '/web/CPagination.php',
'CSort' => '/web/CSort.php',
'CSqlDataProvider' => '/web/CSqlDataProvider.php',
'CTheme' => '/web/CTheme.php',
'CThemeManager' => '/web/CThemeManager.php',
'CUploadedFile' => '/web/CUploadedFile.php',
'CUrlManager' => '/web/CUrlManager.php',
'CWebApplication' => '/web/CWebApplication.php',
'CWebModule' => '/web/CWebModule.php',
'CWidgetFactory' => '/web/CWidgetFactory.php',
'CAction' => '/web/actions/CAction.php',
'CInlineAction' => '/web/actions/CInlineAction.php',
'CViewAction' => '/web/actions/CViewAction.php',
'CAccessControlFilter' => '/web/auth/CAccessControlFilter.php',
'CAuthAssignment' => '/web/auth/CAuthAssignment.php',
'CAuthItem' => '/web/auth/CAuthItem.php',
'CAuthManager' => '/web/auth/CAuthManager.php',
'CBaseUserIdentity' => '/web/auth/CBaseUserIdentity.php',
'CDbAuthManager' => '/web/auth/CDbAuthManager.php',
'CPhpAuthManager' => '/web/auth/CPhpAuthManager.php',
'CUserIdentity' => '/web/auth/CUserIdentity.php',
'CWebUser' => '/web/auth/CWebUser.php',
'CFilter' => '/web/filters/CFilter.php',
'CFilterChain' => '/web/filters/CFilterChain.php',
'CInlineFilter' => '/web/filters/CInlineFilter.php',
'CForm' => '/web/form/CForm.php',
'CFormButtonElement' => '/web/form/CFormButtonElement.php',
'CFormElement' => '/web/form/CFormElement.php',
'CFormElementCollection' => '/web/form/CFormElementCollection.php',
'CFormInputElement' => '/web/form/CFormInputElement.php',
'CFormStringElement' => '/web/form/CFormStringElement.php',
'CGoogleApi' => '/web/helpers/CGoogleApi.php',
'CHtml' => '/web/helpers/CHtml.php',
'CJSON' => '/web/helpers/CJSON.php',
'CJavaScript' => '/web/helpers/CJavaScript.php',
'CPradoViewRenderer' => '/web/renderers/CPradoViewRenderer.php',
'CViewRenderer' => '/web/renderers/CViewRenderer.php',
'CWebService' => '/web/services/CWebService.php',
'CWebServiceAction' => '/web/services/CWebServiceAction.php',
'CWsdlGenerator' => '/web/services/CWsdlGenerator.php',
'CActiveForm' => '/web/widgets/CActiveForm.php',
'CAutoComplete' => '/web/widgets/CAutoComplete.php',
'CClipWidget' => '/web/widgets/CClipWidget.php',
'CContentDecorator' => '/web/widgets/CContentDecorator.php',
'CFilterWidget' => '/web/widgets/CFilterWidget.php',
'CFlexWidget' => '/web/widgets/CFlexWidget.php',
'CHtmlPurifier' => '/web/widgets/CHtmlPurifier.php',
'CInputWidget' => '/web/widgets/CInputWidget.php',
'CMarkdown' => '/web/widgets/CMarkdown.php',
'CMaskedTextField' => '/web/widgets/CMaskedTextField.php',
'CMultiFileUpload' => '/web/widgets/CMultiFileUpload.php',
'COutputCache' => '/web/widgets/COutputCache.php',
'COutputProcessor' => '/web/widgets/COutputProcessor.php',
'CStarRating' => '/web/widgets/CStarRating.php',
'CTabView' => '/web/widgets/CTabView.php',
'CTextHighlighter' => '/web/widgets/CTextHighlighter.php',
'CTreeView' => '/web/widgets/CTreeView.php',
'CWidget' => '/web/widgets/CWidget.php',
'CCaptcha' => '/web/widgets/captcha/CCaptcha.php',
'CCaptchaAction' => '/web/widgets/captcha/CCaptchaAction.php',
'CBasePager' => '/web/widgets/pagers/CBasePager.php',
'CLinkPager' => '/web/widgets/pagers/CLinkPager.php',
'CListPager' => '/web/widgets/pagers/CListPager.php',
);
}
spl_autoload_register(array('YiiBase','autoload'));
require(YII_PATH.'/base/interfaces.php');

29
framework/yii.php
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@ -0,0 +1,29 @@
<?php
/**
* Yii bootstrap file.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @link http://www.yiiframework.com/
* @copyright Copyright &copy; 2008-2011 Yii Software LLC
* @license http://www.yiiframework.com/license/
* @version $Id: yii.php 2799 2011-01-01 19:31:13Z qiang.xue $
* @package system
* @since 1.0
*/
require(__DIR__.'/base/YiiBase.php');
/**
* Yii is a helper class serving common framework functionalities.
*
* It encapsulates {@link YiiBase} which provides the actual implementation.
* By writing your own Yii class, you can customize some functionalities of YiiBase.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @version $Id: yii.php 2799 2011-01-01 19:31:13Z qiang.xue $
* @package system
* @since 1.0
*/
class Yii extends yii\YiiBase
{
}
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