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<?php |
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/** |
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* Phoole (PHP7.2+) |
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* |
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* @category Library |
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* @package Phoole\Di |
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* @copyright Copyright (c) 2019 Hong Zhang |
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*/ |
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declare(strict_types=1); |
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namespace Phoole\Di\Util; |
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use Phoole\Config\ConfigInterface; |
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use Psr\Container\ContainerInterface; |
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/** |
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* ExtendedContainerTrait |
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* |
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* Implementing ExtendedContainerInterface |
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* |
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* @package Phoole\Di |
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*/ |
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trait ExtendedContainerTrait |
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{ |
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use ContainerTrait; |
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/** |
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* init the container |
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* |
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* @param ConfigInterface $config |
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* @param ContainerInterface $delegator |
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* @return void |
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*/ |
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protected function initContainer( |
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ConfigInterface $config, |
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ContainerInterface $delegator = null |
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): void { |
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$this->config = $config; |
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$this->delegator = $delegator ?? $this; |
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// some predefined objects |
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$this->objects['config'] = $this->config; |
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$this->objects['container'] = $this->delegator; |
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// run the code |
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$settings = &($this->config->getTree())->get(''); |
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$this->setReferencePattern('${#', '}'); |
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$this->deReference($settings); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function resolve(&$input): void |
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{ |
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// check param first |
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$this->config->deReference($input); |
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// then the objects |
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$this->deReference($input); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function call($callable, array $arguments = []) |
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{ |
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$this->resolve($callable); |
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$this->resolve($arguments); |
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if (is_callable($callable)) { |
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return call_user_func($callable, $arguments); |
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} else { |
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throw new RuntimeException("Callable error"); |
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} |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function draw(string $id, array $args = []): object |
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{ |
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if ($this->has($id)) { |
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return $this->newInstance($id, $args); |
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} else { |
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throw new NotFoundException("Service $id not found"); |
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} |
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} |
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} |
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phoole /
di
This check looks for methods that are used by a trait but not required by it.
To illustrate, let’s look at the following code example
The trait
Idableprovides a methodequalsIdthat in turn relies on the methodgetId(). If this method does not exist on a class mixing in this trait, the method will fail.Adding the
getId()as an abstract method to the trait will make sure it is available.