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vendor/symfony/var-dumper/Caster/MemcachedCaster.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\VarDumper\Caster;
+
+use Symfony\Component\VarDumper\Cloner\Stub;
+
+/**
+ * @author Jan Schädlich <jan.schaedlich@sensiolabs.de>
+ */
+class MemcachedCaster
+{
+    private static $optionConstants;
+    private static $defaultOptions;
+
+    public static function castMemcached(\Memcached $c, array $a, Stub $stub, $isNested)
+    {
+        $a += [
+            Caster::PREFIX_VIRTUAL.'servers' => $c->getServerList(),
+            Caster::PREFIX_VIRTUAL.'options' => new EnumStub(
+                self::getNonDefaultOptions($c)
+            ),
+        ];
+
+        return $a;
+    }
+
+    private static function getNonDefaultOptions(\Memcached $c)
+    {
+        self::$defaultOptions = self::$defaultOptions ?? self::discoverDefaultOptions();
+        self::$optionConstants = self::$optionConstants ?? self::getOptionConstants();
+
+        $nonDefaultOptions = [];
+        foreach (self::$optionConstants as $constantKey => $value) {
+            if (self::$defaultOptions[$constantKey] !== $option = $c->getOption($value)) {
+                $nonDefaultOptions[$constantKey] = $option;
+            }
+        }
+
+        return $nonDefaultOptions;
+    }
+
+    private static function discoverDefaultOptions()
+    {
+        $defaultMemcached = new \Memcached();
+        $defaultMemcached->addServer('127.0.0.1', 11211);
+
+        $defaultOptions = [];
+        self::$optionConstants = self::$optionConstants ?? self::getOptionConstants();
+
+        foreach (self::$optionConstants as $constantKey => $value) {
+            $defaultOptions[$constantKey] = $defaultMemcached->getOption($value);
+        }
+
+        return $defaultOptions;
+    }
+
+    private static function getOptionConstants()
+    {
+        $reflectedMemcached = new \ReflectionClass(\Memcached::class);
+
+        $optionConstants = [];
+        foreach ($reflectedMemcached->getConstants() as $constantKey => $value) {
+            if (0 === strpos($constantKey, 'OPT_')) {
+                $optionConstants[$constantKey] = $value;
+            }
+        }
+
+        return $optionConstants;
+    }
+}