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[yaffs-website] / vendor / symfony / dependency-injection / Compiler / PriorityTaggedServiceTrait.php

diff --git a/vendor/symfony/dependency-injection/Compiler/PriorityTaggedServiceTrait.php b/vendor/symfony/dependency-injection/Compiler/PriorityTaggedServiceTrait.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\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Reference;
+
+/**
+ * Trait that allows a generic method to find and sort service by priority option in the tag.
+ *
+ * @author Iltar van der Berg <kjarli@gmail.com>
+ */
+trait PriorityTaggedServiceTrait
+{
+    /**
+     * Finds all services with the given tag name and order them by their priority.
+     *
+     * The order of additions must be respected for services having the same priority,
+     * and knowing that the \SplPriorityQueue class does not respect the FIFO method,
+     * we should not use that class.
+     *
+     * @see https://bugs.php.net/bug.php?id=53710
+     * @see https://bugs.php.net/bug.php?id=60926
+     *
+     * @param string           $tagName
+     * @param ContainerBuilder $container
+     *
+     * @return Reference[]
+     */
+    private function findAndSortTaggedServices($tagName, ContainerBuilder $container)
+    {
+        $services = array();
+
+        foreach ($container->findTaggedServiceIds($tagName) as $serviceId => $attributes) {
+            $priority = isset($attributes[0]['priority']) ? $attributes[0]['priority'] : 0;
+            $services[$priority][] = new Reference($serviceId);
+        }
+
+        if ($services) {
+            krsort($services);
+            $services = call_user_func_array('array_merge', $services);
+        }
+
+        return $services;
+    }
+}