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83 lines
1.7 KiB
PHP
83 lines
1.7 KiB
PHP
<?php
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/**
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*
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* @package phpBB3
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* @copyright (c) 2011 phpBB Group
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* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
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*
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*/
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namespace phpbb\di;
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use Symfony\Component\DependencyInjection\ContainerInterface;
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/**
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* Iterator which load the services when they are requested
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*
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* @package phpBB3
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*/
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class service_collection_iterator extends \ArrayIterator
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{
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protected $container;
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/**
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* Construct an ArrayIterator for service_collection
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*
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* @param ContainerInterface $container Container object
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* @param array $array The array or object to be iterated on.
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* @param int $flags Flags to control the behaviour of the ArrayObject object.
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* @see ArrayObject::setFlags()
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*/
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public function __construct(ContainerInterface $container, $array = array(), $flags = 0)
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{
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parent::__construct($array, $flags);
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$this->container = $container;
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}
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/**
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* {@inheritdoc}
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*/
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public function offsetGet($index)
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{
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$task = parent::offsetGet($index);
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if ($task == null)
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{
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$task = $this->container->get($index);
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$this->offsetSet($index, $task);
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}
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return $task;
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}
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// Because of a PHP issue we have to redefine offsetExists
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// (even <ith a call to the parent):
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// https://bugs.php.net/bug.php?id=66834
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// https://bugs.php.net/bug.php?id=67067
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// But it triggers a sniffer issue that we have to skip
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// @codingStandardsIgnoreStart
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/**
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* {@inheritdoc}
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*/
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public function offsetExists($index)
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{
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parent::offsetExists($index);
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}
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// @codingStandardsIgnoreEnd
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/**
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* {@inheritdoc}
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*/
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public function current()
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{
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$task = parent::current();
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if ($task == null)
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{
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$name = $this->key();
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$task = $this->container->get($name);
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$this->offsetSet($name, $task);
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}
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return $task;
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}
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}
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