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<?php |
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/** |
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* CallableObject.php - Jaxon callable object |
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* |
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* This class stores a reference to an object whose methods can be called from |
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* the client via an Jaxon request |
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* |
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* The Jaxon plugin manager will call <CallableObject->getClientScript> so that |
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* stub functions can be generated and sent to the browser. |
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* |
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* @package jaxon-core |
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* @author Jared White |
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* @author J. Max Wilson |
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* @author Joseph Woolley |
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* @author Steffen Konerow |
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* @author Thierry Feuzeu <[email protected]> |
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* @copyright Copyright (c) 2005-2007 by Jared White & J. Max Wilson |
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* @copyright Copyright (c) 2008-2010 by Joseph Woolley, Steffen Konerow, Jared White & J. Max Wilson |
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* @copyright 2016 Thierry Feuzeu <[email protected]> |
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* @license https://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License |
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* @link https://github.com/jaxon-php/jaxon-core |
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*/ |
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namespace Jaxon\Request\Support; |
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use Jaxon\Request\Request; |
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class CallableObject |
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{ |
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/** |
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* A reference to the callable object the user has registered |
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* |
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* @var object |
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*/ |
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private $registeredObject = null; |
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/** |
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* The reflection class of the user registered callable object |
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* |
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* @var \ReflectionClass |
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*/ |
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private $reflectionClass; |
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/** |
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* A list of methods of the user registered callable object the library must not export to javascript |
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* |
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* @var array |
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*/ |
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private $aProtectedMethods = []; |
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/** |
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* The character to use as separator in javascript class names |
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* |
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* @var string |
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*/ |
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private $separator = '.'; |
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/** |
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* The class constructor |
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* |
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* @param string $sCallable The callable object instance or class name |
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* |
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*/ |
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public function __construct($sCallable) |
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{ |
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$this->reflectionClass = new \ReflectionClass($sCallable); |
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} |
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/** |
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* Return the class name of this callable object, without the namespace if any |
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* |
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* @return string |
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*/ |
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public function getClassName() |
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{ |
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// Get the class name without the namespace. |
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return $this->reflectionClass->getShortName(); |
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} |
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/** |
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* Return the name of this callable object |
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* |
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* @return string |
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*/ |
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public function getName() |
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{ |
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// Get the class name with the namespace. |
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return $this->reflectionClass->getName(); |
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} |
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/** |
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* Return the name of the corresponding javascript class |
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* |
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* @return string |
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*/ |
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public function getJsName() |
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{ |
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return str_replace('\\', $this->separator, $this->getName()); |
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} |
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/** |
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* Return the namespace of this callable object |
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* |
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* @return string |
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*/ |
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public function getNamespace() |
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{ |
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// The namespace the class was registered with. |
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return $this->reflectionClass->getNamespaceName(); |
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} |
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/** |
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* Set configuration options / call options for each method |
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* |
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* @param string $sName The name of the configuration option |
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* @param string $sValue The value of the configuration option |
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* |
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* @return void |
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*/ |
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public function configure($sName, $sValue) |
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{ |
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switch($sName) |
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{ |
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// Set the separator |
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case 'separator'; |
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if($sValue == '_' || $sValue == '.') |
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{ |
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$this->separator = $sValue; |
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} |
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break; |
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// Set the protected methods |
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case 'protected': |
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if(is_array($sValue)) |
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{ |
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$this->aProtectedMethods = array_merge($this->aProtectedMethods, $sValue); |
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} |
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elseif(is_string($sValue)) |
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{ |
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$this->aProtectedMethods[] = $sValue; |
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} |
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break; |
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default: |
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break; |
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} |
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} |
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/** |
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* Return a list of methods of the callable object to export to javascript |
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* |
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* @return array |
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*/ |
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public function getMethods() |
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{ |
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$aMethods = []; |
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foreach($this->reflectionClass->getMethods(\ReflectionMethod::IS_PUBLIC) as $xMethod) |
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{ |
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$sMethodName = $xMethod->getShortName(); |
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// Don't take magic __call, __construct, __destruct methods |
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if(strlen($sMethodName) > 2 && substr($sMethodName, 0, 2) == '__') |
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{ |
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continue; |
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} |
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// Don't take excluded methods |
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if(in_array($sMethodName, $this->aProtectedMethods)) |
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{ |
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continue; |
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} |
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$aMethods[] = $sMethodName; |
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} |
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return $aMethods; |
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} |
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/** |
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* Return the registered callable object |
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* |
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* @return object |
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*/ |
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public function getRegisteredObject() |
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{ |
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if($this->registeredObject == null) |
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{ |
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$di = jaxon()->di(); |
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// Use the Reflection class to get the parameters of the constructor |
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if(($constructor = $this->reflectionClass->getConstructor()) != null) |
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{ |
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$parameters = $constructor->getParameters(); |
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$parameterInstances = []; |
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foreach($parameters as $parameter) |
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{ |
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// Get the parameter instance from the DI |
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$parameterInstances[] = $di->get($parameter->getClass()->getName()); |
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} |
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$this->registeredObject = $this->reflectionClass->newInstanceArgs($parameterInstances); |
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} |
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else |
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{ |
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$this->registeredObject = $this->reflectionClass->newInstance(); |
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} |
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} |
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return $this->registeredObject; |
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} |
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/** |
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* Check if the specified method name is one of the methods of the registered callable object |
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* |
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* @param string $sMethod The name of the method to check |
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* |
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* @return boolean |
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*/ |
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public function hasMethod($sMethod) |
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{ |
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return $this->reflectionClass->hasMethod($sMethod)/* || $this->reflectionClass->hasMethod('__call')*/; |
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} |
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/** |
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* Call the specified method of the registered callable object using the specified array of arguments |
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* |
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* @param string $sMethod The name of the method to call |
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* @param array $aArgs The arguments to pass to the method |
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* |
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* @return void |
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*/ |
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public function call($sMethod, $aArgs) |
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{ |
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if(!$this->hasMethod($sMethod)) |
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{ |
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return; |
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} |
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$reflectionMethod = $this->reflectionClass->getMethod($sMethod); |
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$registeredObject = $this->getRegisteredObject(); |
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$response = $reflectionMethod->invokeArgs($registeredObject, $aArgs); |
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if(($response)) |
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{ |
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$this->getResponseManager()->append($response); |
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} |
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} |
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} |
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This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces.
This is most likely a typographical error or the method has been renamed.