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/opt/cloudlinux/alt-php54/root/usr/share/pear/Symfony/Component/DependencyInjection/Compiler/CheckCircularReferencesPass.php

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<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\DependencyInjection\Compiler;

use Symfony\Component\DependencyInjection\Exception\ServiceCircularReferenceException;
use Symfony\Component\DependencyInjection\ContainerBuilder;

/**
 * Checks your services for circular references
 *
 * References from method calls are ignored since we might be able to resolve
 * these references depending on the order in which services are called.
 *
 * Circular reference from method calls will only be detected at run-time.
 *
 * @author Johannes M. Schmitt <schmittjoh@gmail.com>
 */
class CheckCircularReferencesPass implements CompilerPassInterface
{
    private $currentId;
    private $currentPath;
    private $checkedNodes;

/**
     * Checks the ContainerBuilder object for circular references.
     *
     * @param ContainerBuilder $container The ContainerBuilder instances
     */
    public function process(ContainerBuilder $container)
    {
        $graph = $container->getCompiler()->getServiceReferenceGraph();

$this->checkedNodes = array();
        foreach ($graph->getNodes() as $id => $node) {
            $this->currentId = $id;
            $this->currentPath = array($id);

$this->checkOutEdges($node->getOutEdges());
        }
    }

/**
     * Checks for circular references.
     *
     * @param ServiceReferenceGraphEdge[] $edges An array of Edges
     *
     * @throws ServiceCircularReferenceException When a circular reference is found.
     */
    private function checkOutEdges(array $edges)
    {
        foreach ($edges as $edge) {
            $node      = $edge->getDestNode();
            $id        = $node->getId();

if (empty($this->checkedNodes[$id])) {
                $searchKey = array_search($id, $this->currentPath);
                $this->currentPath[] = $id;

if (false !== $searchKey) {
                    throw new ServiceCircularReferenceException($id, array_slice($this->currentPath, $searchKey));
                }

$this->checkOutEdges($node->getOutEdges());

$this->checkedNodes[$id] = true;
                array_pop($this->currentPath);
            }
        }
    }
}

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Name	Size	Perms	Modified	Actions
AnalyzeServiceReferencesPass.php	4.41 KB	lrw-r--r--	2019-12-18 11:22:56	Edit Download recursive recursive
CheckCircularReferencesPass.php	2.36 KB	lrw-r--r--	2019-12-18 11:22:56	Edit Download recursive recursive
CheckDefinitionValidityPass.php	3.60 KB	lrw-r--r--	2019-12-18 11:22:56	Edit Download recursive recursive
CheckExceptionOnInvalidReferenceBehaviorPass.php	2.05 KB	lrw-r--r--	2019-12-18 11:22:56	Edit Download recursive recursive
CheckReferenceValidityPass.php	5.50 KB	lrw-r--r--	2019-12-18 11:22:56	Edit Download recursive recursive
Compiler.php	2.55 KB	lrw-r--r--	2019-12-18 11:22:56	Edit Download recursive recursive
CompilerPassInterface.php	746 B	lrw-r--r--	2019-12-18 11:22:56	Edit Download recursive recursive
InlineServiceDefinitionsPass.php	4.48 KB	lrw-r--r--	2019-12-18 11:22:56	Edit Download recursive recursive
LoggingFormatter.php	1.43 KB	lrw-r--r--	2019-12-18 11:22:56	Edit Download recursive recursive
MergeExtensionConfigurationPass.php	1.84 KB	lrw-r--r--	2019-12-18 11:22:56	Edit Download recursive recursive
PassConfig.php	5.90 KB	lrw-r--r--	2019-12-18 11:22:56	Edit Download recursive recursive
RemoveAbstractDefinitionsPass.php	1.04 KB	lrw-r--r--	2019-12-18 11:22:56	Edit Download recursive recursive
RemovePrivateAliasesPass.php	1.24 KB	lrw-r--r--	2019-12-18 11:22:56	Edit Download recursive recursive
RemoveUnusedDefinitionsPass.php	2.71 KB	lrw-r--r--	2019-12-18 11:22:56	Edit Download recursive recursive
RepeatablePassInterface.php	691 B	lrw-r--r--	2019-12-18 11:22:56	Edit Download recursive recursive
RepeatedPass.php	2.03 KB	lrw-r--r--	2019-12-18 11:22:56	Edit Download recursive recursive
ReplaceAliasByActualDefinitionPass.php	4.07 KB	lrw-r--r--	2019-12-18 11:22:56	Edit Download recursive recursive
ResolveDefinitionTemplatesPass.php	5.42 KB	lrw-r--r--	2019-12-18 11:22:56	Edit Download recursive recursive
ResolveInvalidReferencesPass.php	3.42 KB	lrw-r--r--	2019-12-18 11:22:56	Edit Download recursive recursive
ResolveParameterPlaceHoldersPass.php	2.11 KB	lrw-r--r--	2019-12-18 11:22:56	Edit Download recursive recursive
ResolveReferencesToAliasesPass.php	2.83 KB	lrw-r--r--	2019-12-18 11:22:56	Edit Download recursive recursive
ServiceReferenceGraph.php	2.79 KB	lrw-r--r--	2019-12-18 11:22:56	Edit Download recursive recursive
ServiceReferenceGraphEdge.php	1.48 KB	lrw-r--r--	2019-12-18 11:22:56	Edit Download recursive recursive
ServiceReferenceGraphNode.php	2.49 KB	lrw-r--r--	2019-12-18 11:22:56	Edit Download recursive recursive

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