--- /dev/null
+<?php
+
+/*
+ * This file is a part of dflydev/placeholder-resolver.
+ *
+ * (c) Dragonfly Development Inc.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Dflydev\PlaceholderResolver;
+
+use Dflydev\PlaceholderResolver\Cache\Cache;
+use Dflydev\PlaceholderResolver\Cache\CacheInterface;
+
+abstract class AbstractPlaceholderResolver implements PlaceholderResolverInterface
+{
+ private $cache;
+ protected $maxReplacementDepth = 10;
+
+ /**
+ * Set maximum depth for recursive replacement
+ *
+ * @param int $maxReplacementDepth
+ *
+ * @return PlaceholderResolver
+ */
+ public function setMaxReplacementDepth($maxReplacementDepth)
+ {
+ $this->maxReplacementDepth = $maxReplacementDepth;
+
+ return $this;
+ }
+
+ /**
+ * Get cache
+ *
+ * @return CacheInterface
+ */
+ public function getCache()
+ {
+ if (null === $this->cache) {
+ $this->cache = new Cache;
+ }
+
+ return $this->cache;
+ }
+
+ /**
+ * Set cache
+ *
+ * @param CacheInterface $cache
+ */
+ public function setCache(CacheInterface $cache)
+ {
+ $this->cache = $cache;
+ }
+}