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<?php |
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/** |
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* This file is part of the Zemit Framework. |
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* |
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* (c) Zemit Team <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE.txt |
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* file that was distributed with this source code. |
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*/ |
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namespace Zemit\Dispatcher; |
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use Phalcon\Dispatcher\AbstractDispatcher; |
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use Phalcon\Mvc\Dispatcher as MvcDispatcher; |
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use Phalcon\Cli\Dispatcher as CliDispatcher; |
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trait DispatcherTrait |
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{ |
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abstract public function getNamespaceName(): string; |
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abstract public function getModuleName(): string; |
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abstract public function getActionName(): string; |
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abstract public function getParams(): array; |
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abstract public function getHandlerClass(): string; |
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abstract public function getHandlerSuffix(): string; |
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// abstract public function getTaskName(): string; |
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// abstract public function getControllerName(): string; |
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abstract public function getActionSuffix(): string; |
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abstract public function getActiveMethod(): string; |
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/** |
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* {@inheritDoc} |
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* The string typed keys are not passed to the action method arguments |
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* Only the int keys will be passed |
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* |
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* @param $handler |
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* @return mixed |
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*/ |
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public function callActionMethod($handler, string $actionMethod, array $params = []) |
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{ |
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return call_user_func_array( |
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[$handler, $actionMethod], |
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array_filter($params, 'is_int', ARRAY_FILTER_USE_KEY) |
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); |
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} |
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/** |
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* Extending forwarding event to prevent cyclic routing when forwarding under dispatcher events |
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* {@inheritDoc} |
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*/ |
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public function forward(array $forward, bool $preventCycle = false): void |
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{ |
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$forward = $this->unsetForward($forward); |
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if (!$preventCycle) { |
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parent::forward($forward); |
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} |
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elseif ($this->canForward($forward)) { |
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parent::forward($forward); |
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} |
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} |
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public function canForward(array $forward): bool |
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{ |
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$parts = [ |
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'namespace' => $this->getNamespaceName(), |
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'module' => $this->getModuleName(), |
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'action' => $this->getActionName(), |
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'params' => $this->getParams(), |
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]; |
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foreach ($parts as $part => $current) { |
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if (isset($forward[$part]) && $current !== $forward[$part]) { |
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return true; |
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} |
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} |
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if ($this instanceof MvcDispatcher && |
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isset($forward['controller']) && |
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$this->getControllerName() !== $forward['controller'] |
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) { |
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return true; |
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} |
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elseif ($this instanceof CliDispatcher && |
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isset($forward['task']) && |
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$this->getTaskName() !== $forward['task'] |
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) { |
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return true; |
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} |
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return false; |
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} |
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public function unsetForward(array $forward, ?array $parts = null): array |
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{ |
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$parts ??= [ |
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'namespace', |
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'module', |
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'task', |
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'controller', |
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'action', |
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'params', |
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]; |
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foreach ($parts as $part) { |
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if (is_null($forward[$part])) { |
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unset($forward[$part]); |
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} |
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} |
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return $forward; |
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} |
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public function toArray(): array |
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{ |
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$ret = [ |
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'namespace' => $this->getNamespaceName(), |
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'module' => $this->getModuleName(), |
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'action' => $this->getActionName(), |
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'params' => $this->getParams(), |
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'handlerClass' => $this->getHandlerClass(), |
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'handlerSuffix' => $this->getHandlerSuffix(), |
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'activeMethod' => $this->getActiveMethod(), |
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'actionSuffix' => $this->getActionSuffix(), |
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]; |
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if ($this instanceof MvcDispatcher) { |
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$ret['controller'] = $this->getControllerName(); |
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$ret['previousNamespace'] = $this->getPreviousNamespaceName(); |
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$ret['previousController'] = $this->getPreviousControllerName(); |
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$ret['previousAction'] = $this->getPreviousActionName(); |
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} |
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if ($this instanceof CliDispatcher) { |
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$ret['task'] = $this->getTaskName(); |
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$ret['taskSuffix'] = $this->getTaskSuffix(); |
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} |
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return $ret; |
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} |
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} |
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zemit-cms /
core
Let?s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let?s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: