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<?php |
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/* |
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* The MIT License (MIT) |
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* |
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* Copyright (c) 2015 zepi |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in |
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* all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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* THE SOFTWARE. |
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* |
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*/ |
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/** |
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* The DependenyInjectionManager manages the initiation of new |
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* objects. The manager will analyze the construct method of the |
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* given class name and loads the needed objects for the construction. |
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* |
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* @package Zepi\Turbo\Manager |
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* @author Matthias Zobrist <[email protected]> |
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* @copyright Copyright (c) 2016 zepi |
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*/ |
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namespace Zepi\Turbo\Manager; |
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use \Zepi\Turbo\Framework; |
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use \Zepi\Turbo\Exception; |
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use \ReflectionClass; |
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use \ReflectionMethod; |
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/** |
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* The DependenyInjectionManager manages the initiation of new |
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* objects. The manager will analyze the construct method of the |
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* given class name and loads the needed objects for the construction. |
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* |
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* @author Matthias Zobrist <[email protected]> |
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* @copyright Copyright (c) 2016 zepi |
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*/ |
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class DependencyInjectionManager |
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{ |
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/** |
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* @access protected |
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* @var Framework |
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*/ |
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protected $framework; |
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/** |
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* @var array |
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*/ |
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protected $sharedInstances = array(); |
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/** |
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* Constructs the object |
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* |
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* @access public |
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* @param \Zepi\Turbo\Framework $framework |
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*/ |
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public function __construct(Framework $framework) |
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{ |
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$this->framework = $framework; |
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} |
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/** |
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* Initiates the given class name |
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* |
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* @param string $className |
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* @param array $additionalParameters |
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* @param boolean $shared |
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* @return object |
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*/ |
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public function initiateObject($className, $additionalParameters = array(), $shared = false) |
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{ |
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if (isset($this->sharedInstances[$className])) { |
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return $this->sharedInstances[$className]; |
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} |
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$reflection = new ReflectionClass($className); |
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if ($reflection->hasMethod('__construct')) { |
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$constructor = $reflection->getConstructor(); |
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$parameters = $this->prepareParameters($constructor, $additionalParameters); |
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$instance = $reflection->newInstanceArgs($parameters); |
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} else { |
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$instance = new $className(); |
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} |
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if ($shared) { |
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$this->sharedInstances[$className] = $instance; |
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} |
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return $instance; |
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} |
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/** |
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* Prepares the parameters for the given constructor |
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* |
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* @param \ReflectionMethod $constructor |
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* @param array $additionalParameters |
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* @return array |
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* |
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* @throws \Zepi\Turbo\Exception Cannot find correct value for parameter "{parameterName}" in class "{className}". |
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*/ |
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protected function prepareParameters(ReflectionMethod $constructor, $additionalParameters) |
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{ |
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$parameters = array(); |
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foreach ($constructor->getParameters() as $parameter) { |
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$parameterValue = null; |
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if (isset($additionalParameters[$parameter->name])) { |
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$parameterValue = $additionalParameters[$parameter->name]; |
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} else if ($parameter->getClass() !== null) { |
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$parameterValue = $this->getInstance($parameter->getClass()); |
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} |
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if ($parameterValue === null) { |
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throw new Exception('Cannot find correct value for parameter "' . $parameter->name . '" in class "' . $className . '".'); |
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} |
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$parameters[] = $parameterValue; |
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} |
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return $parameters; |
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} |
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/** |
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* Returns the instance for the given class |
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* |
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* @param \ReflectionClass $parameterClass |
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* @return null|object |
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*/ |
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protected function getInstance(ReflectionClass $parameterClass) |
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{ |
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if (!class_exists($parameterClass->name, true)) { |
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return null; |
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} |
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if (strpos($parameterClass->name, 'Zepi\\Turbo\\') === 0) { |
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return $this->getFrameworkInstance($parameterClass); |
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} |
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if ($parameterClass->isInstantiable()) { |
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return $this->framework->getInstance($parameterClass->name); |
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} |
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} |
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/** |
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* Returns the instance for the given class if the class path |
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* starts with Zepi\Turbo. |
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* |
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* @param \ReflectionClass $parameterClass |
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* @return object |
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*/ |
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protected function getFrameworkInstance(ReflectionClass $parameterClass) |
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{ |
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if ($parameterClass->name == 'Zepi\\Turbo\\Framework') { |
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return $this->framework; |
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} |
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if ($parameterClass->name == 'Zepi\\Turbo\\Request\\RequestAbstract') { |
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return $this->framework->getRequest(); |
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} |
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if ($parameterClass->name == 'Zepi\\Turbo\\Response\\Response') { |
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return $this->framework->getResponse(); |
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} |
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if ($parameterClass->getNamespaceName() === 'Zepi\\Turbo\\Manager') { |
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return $this->getFrameworkManager($parameterClass->name); |
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} |
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} |
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/** |
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* Returns the framework manager for the given class name |
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* |
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* @param string $className |
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* @return object |
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* |
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* @throws \Zepi\Turbo\Exception Cannot find framework manager "{className}". |
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*/ |
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protected function getFrameworkManager($className) |
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{ |
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switch ($className) { |
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case 'Zepi\\Turbo\\Manager\\DataSourceManager': |
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return $this->framework->getDataSourceManager(); |
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break; |
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case 'Zepi\\Turbo\\Manager\\DependencyInjectionManager': |
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return $this->framework->getDependencyInjectionManager(); |
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break; |
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case 'Zepi\\Turbo\\Manager\\ModuleManager': |
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return $this->framework->getModuleManager(); |
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break; |
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case 'Zepi\\Turbo\\Manager\\RequestManager': |
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return $this->framework->getRequestManager(); |
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break; |
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case 'Zepi\\Turbo\\Manager\\RouteManager': |
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return $this->framework->getRouteManager(); |
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break; |
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case 'Zepi\\Turbo\\Manager\\RuntimeManager': |
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return $this->framework->getRuntimeManager(); |
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break; |
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default: |
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throw new Exception('Cannot find framework manager "' . $className . '".'); |
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break; |
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} |
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} |
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} |
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zepi /
turbo
