default services conflit ?

old.vendor/laminas/laminas-stdlib/src/SplPriorityQueue.php

@@ -0,0 +1,146 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Laminas\Stdlib;
+
+use Serializable;
+use UnexpectedValueException;
+
+use function array_key_exists;
+use function get_class;
+use function gettype;
+use function is_array;
+use function is_object;
+use function serialize;
+use function sprintf;
+use function unserialize;
+
+use const PHP_INT_MAX;
+
+/**
+ * Serializable version of SplPriorityQueue
+ *
+ * Also, provides predictable heap order for datums added with the same priority
+ * (i.e., they will be emitted in the same order they are enqueued).
+ */
+class SplPriorityQueue extends \SplPriorityQueue implements Serializable
+{
+    /** @var int Seed used to ensure queue order for items of the same priority */
+    protected $serial = PHP_INT_MAX;
+
+    /**
+     * Insert a value with a given priority
+     *
+     * Utilizes {@var $serial} to ensure that values of equal priority are
+     * emitted in the same order in which they are inserted.
+     *
+     * @param  mixed $datum
+     * @param  mixed $priority
+     * @return void
+     */
+    public function insert($datum, $priority)
+    {
+        if (! is_array($priority)) {
+            $priority = [$priority, $this->serial--];
+        }
+        parent::insert($datum, $priority);
+    }
+
+    /**
+     * Serialize to an array
+     *
+     * Array will be priority => data pairs
+     *
+     * @return array
+     */
+    public function toArray()
+    {
+        $array = [];
+        foreach (clone $this as $item) {
+            $array[] = $item;
+        }
+        return $array;
+    }
+
+    /**
+     * Serialize
+     *
+     * @return string
+     */
+    public function serialize()
+    {
+        return serialize($this->__serialize());
+    }
+
+    /**
+     * Magic method used for serializing of an instance.
+     *
+     * @return array
+     */
+    public function __serialize()
+    {
+        $clone = clone $this;
+        $clone->setExtractFlags(self::EXTR_BOTH);
+
+        $data = [];
+        foreach ($clone as $item) {
+            $data[] = $item;
+        }
+        return $data;
+    }
+
+    /**
+     * Deserialize
+     *
+     * @param  string $data
+     * @return void
+     */
+    public function unserialize($data)
+    {
+        $toUnserialize = unserialize($data);
+        if (! is_array($toUnserialize)) {
+            throw new UnexpectedValueException(sprintf(
+                'Cannot deserialize %s instance; corrupt serialization data',
+                self::class
+            ));
+        }
+
+        $this->__unserialize($toUnserialize);
+    }
+
+    /**
+     * Magic method used to rebuild an instance.
+     *
+     * @param array $data Data array.
+     * @return void
+     */
+    public function __unserialize($data)
+    {
+        $this->serial = PHP_INT_MAX;
+
+        foreach ($data as $item) {
+            if (! is_array($item)) {
+                throw new UnexpectedValueException(sprintf(
+                    'Cannot deserialize %s instance: corrupt item; expected array, received %s',
+                    self::class,
+                    is_object($item) ? get_class($item) : gettype($item)
+                ));
+            }
+
+            if (! array_key_exists('data', $item)) {
+                throw new UnexpectedValueException(sprintf(
+                    'Cannot deserialize %s instance: corrupt item; missing "data" element',
+                    self::class
+                ));
+            }
+
+            $priority = 1;
+            if (array_key_exists('priority', $item)) {
+                $priority = (int) $item['priority'];
+            }
+
+            $this->insert($item['data'], $priority);
+        }
+    }
+}