diff --git a/.github/ISSUE_TEMPLATE/bug_report.md b/.github/ISSUE_TEMPLATE/bug_report.md
index 47013c407..e93184a3a 100644
--- a/.github/ISSUE_TEMPLATE/bug_report.md
+++ b/.github/ISSUE_TEMPLATE/bug_report.md
@@ -5,8 +5,8 @@ about: Create a report to help us improve Phpfastcache
 ---
 
 **Configuration**
-- **PhpFastCache version:** "...replace me (Can be retrieved using method `\Phpfastcache\Api::GetVersion()`)..."
-- **PhpFastCache API version:** "...replace me (Can be retrieved using method `\Phpfastcache\Api::getPhpFastCacheVersion()`)..."
+- **PhpFastCache version:** "...replace me (Can be retrieved using method `\Phpfastcache\Api::getPhpFastCacheVersion()`)..."
+- **PhpFastCache API version:** "...replace me (Can be retrieved using method `\Phpfastcache\Api::GetVersion()`)..."
 - **PHP version:** "...replace me (Can be retrieved using command line `php -v | sed -n 1p`)..."
 - **Operating system:** " ...replace me (You REALLY should know it)... "
 
diff --git a/.github/ISSUE_TEMPLATE/feature_request.md b/.github/ISSUE_TEMPLATE/feature_request.md
index e3af36743..a455f9705 100644
--- a/.github/ISSUE_TEMPLATE/feature_request.md
+++ b/.github/ISSUE_TEMPLATE/feature_request.md
@@ -5,8 +5,8 @@ about: Suggest an idea for Phpfastcache
 ---
 
 **Configuration**
-- **PhpFastCache version:** "...replace me (Can be retrieved using method `\Phpfastcache\Api::GetVersion()`)..."
-- **PhpFastCache API version:** "...replace me (Can be retrieved using method `\Phpfastcache\Api::getPhpFastCacheVersion()`)..."
+- **PhpFastCache version:** "...replace me (Can be retrieved using method `\Phpfastcache\Api::getPhpFastCacheVersion()`)..."
+- **PhpFastCache API version:** "...replace me (Can be retrieved using method `\Phpfastcache\Api::GetVersion()`)..."
 - **PHP version:** "...replace me (Can be retrieved using command line `php -v | sed -n 1p`)..."
 - **Operating system:** " ...replace me (You REALLY should know it)... "
 
diff --git a/.github/ISSUE_TEMPLATE/simple_question.md b/.github/ISSUE_TEMPLATE/simple_question.md
index b4e45fdf4..94baf8fca 100644
--- a/.github/ISSUE_TEMPLATE/simple_question.md
+++ b/.github/ISSUE_TEMPLATE/simple_question.md
@@ -5,8 +5,8 @@ about: Ask a question about Phpfastcache
 ---
 
 **Configuration (optional)**
-- **PhpFastCache version:** "...replace me (Can be retrieved using method `\Phpfastcache\Api::GetVersion()`)..."
-- **PhpFastCache API version:** "...replace me (Can be retrieved using method `\Phpfastcache\Api::getPhpFastCacheVersion()`)..."
+- **PhpFastCache version:** "...replace me (Can be retrieved using method `\Phpfastcache\Api::getPhpFastCacheVersion()`)..."
+- **PhpFastCache API version:** "...replace me (Can be retrieved using method `\Phpfastcache\Api::GetVersion()`)..."
 - **PHP version:** "...replace me (Can be retrieved using command line `php -v | sed -n 1p`)..."
 - **Operating system:** " ...replace me (You REALLY should know it)... "
 
diff --git a/composer.json b/composer.json
index 7a85584f0..dc539e279 100644
--- a/composer.json
+++ b/composer.json
@@ -21,7 +21,7 @@
             }
         ],
     "require": {
-        "php": "^7.0 || ^7.1 || ^7.2",
+        "php": ">=7.0",
         "psr/cache": "~1.0.0",
         "psr/simple-cache": "~1.0.0",
         "ext-mbstring": "*",
diff --git a/docs/examples/SaveMultiple.php b/docs/examples/SaveMultiple.php
index d8a86cbc8..d7bda3cd5 100644
--- a/docs/examples/SaveMultiple.php
+++ b/docs/examples/SaveMultiple.php
@@ -16,11 +16,12 @@
 // OR require_once("../src/phpFastCache/phpFastCache.php");
 
 use Phpfastcache\CacheManager;
+use Phpfastcache\Config\Config;
 
 // Setup File Path on your config files
-CacheManager::setDefaultConfig([
+CacheManager::setDefaultConfig(new Config([
   "path" => sys_get_temp_dir()
-]);
+]));
 
 // In your class, function, you can call the Cache
 $InstanceCache = CacheManager::getInstance('files');
diff --git a/docs/examples/cassandra.php b/docs/examples/cassandra.php
index 9e7df6e59..e27ec6ca3 100644
--- a/docs/examples/cassandra.php
+++ b/docs/examples/cassandra.php
@@ -13,6 +13,7 @@
  */
 
 use Phpfastcache\CacheManager;
+use Phpfastcache\Drivers\Cassandra\Config;
 
 // Include composer autoloader
 require __DIR__ . '/../../vendor/autoload.php';
@@ -26,7 +27,7 @@
 $config['sslEnabled'] = false;
 $config['sslVerify'] = false;
 
-$InstanceCache = CacheManager::getInstance('cassandra', $config);
+$InstanceCache = CacheManager::getInstance('cassandra', new Config($config));
 
 /**
  * Try to get $products from Caching First
diff --git a/docs/examples/couchbase.php b/docs/examples/couchbase.php
index 4e515d778..0a7b23ed6 100644
--- a/docs/examples/couchbase.php
+++ b/docs/examples/couchbase.php
@@ -13,22 +13,18 @@
  */
 
 use Phpfastcache\CacheManager;
+use Phpfastcache\Drivers\Couchbase\Config;
 
 // Include composer autoloader
 require __DIR__ . '/../../vendor/autoload.php';
 
-$InstanceCache = CacheManager::getInstance('couchbase', [
+$InstanceCache = CacheManager::getInstance('couchbase', new Config([
   'host' => 'your-couchbase-host',
   'port' => '8091',
   'username' => 'your-couchbase-username',
   'password' => 'your-couchbase-password',
-  'buckets' => [
-    [
-      'bucket' => 'default', // The bucket name, generally "default" by default
-      'password' => '' // The bucket password if there is
-    ],
-  ]
-]);
+  'bucketName' => 'default' // The bucket name, generally "default" by default
+]));
 
 /**
  * Try to get $products from Caching First
diff --git a/docs/examples/couchdb.php b/docs/examples/couchdb.php
index d9ca201f4..d82fbf012 100644
--- a/docs/examples/couchdb.php
+++ b/docs/examples/couchdb.php
@@ -13,11 +13,12 @@
  */
 
 use Phpfastcache\CacheManager;
+use Phpfastcache\Drivers\Couchdb\Config;
 
 // Include composer autoloader
 require __DIR__ . '/../../vendor/autoload.php';
 
-$InstanceCache = CacheManager::getInstance('couchdb', [
+$InstanceCache = CacheManager::getInstance('couchdb', new Config([
   'host' => '127.0.0.1',
   'port' => 5984,
   'path' => '/',
@@ -25,7 +26,7 @@
   'password' => 'your-couchdb-password',
   'ssl' => true,
   'timeout' => 10,
-]);
+]));
 
 /**
  * Try to get $products from Caching First
diff --git a/docs/examples/files.php b/docs/examples/files.php
index 63ee314fb..be3aa2b59 100644
--- a/docs/examples/files.php
+++ b/docs/examples/files.php
@@ -18,13 +18,14 @@
 
 
 use Phpfastcache\CacheManager;
+use Phpfastcache\Config\Config;
 use Phpfastcache\Core\phpFastCache;
 
 // Setup File Path on your config files
-CacheManager::setDefaultConfig([
+CacheManager::setDefaultConfig(new Config([
   "path" => sys_get_temp_dir(),
   "itemDetailedDate" => false
-]);
+]));
 
 // In your class, function, you can call the Cache
 $InstanceCache = CacheManager::getInstance('files');
diff --git a/docs/examples/leveldb.php b/docs/examples/leveldb.php
index c294c7959..f3f2a2104 100644
--- a/docs/examples/leveldb.php
+++ b/docs/examples/leveldb.php
@@ -18,12 +18,13 @@
 
 
 use Phpfastcache\CacheManager;
+use Phpfastcache\Config\Config;
 use Phpfastcache\Core\phpFastCache;
 
 // Setup File Path on your config files
-CacheManager::setDefaultConfig([
+CacheManager::setDefaultConfig(new Config([
   "path" => sys_get_temp_dir(),
-]);
+]));
 
 // In your class, function, you can call the Cache
 $InstanceCache = CacheManager::getInstance('leveldb');
diff --git a/docs/examples/memcache.php b/docs/examples/memcache.php
index ebc79d0dd..bea09dcf5 100644
--- a/docs/examples/memcache.php
+++ b/docs/examples/memcache.php
@@ -13,18 +13,17 @@
  */
 
 use Phpfastcache\CacheManager;
+use Phpfastcache\Drivers\Memcache\Config;
 
 // Include composer autoloader
 require __DIR__ . '/../../src/autoload.php';
 
-$InstanceCache = CacheManager::getInstance('memcache', ['servers' => [
-  [
+$InstanceCache = CacheManager::getInstance('memcache',new Config([
     'host' =>'127.0.0.1',
     'port' => 11211,
-      // 'sasl_user' => false, // optional
-      // 'sasl_password' => false // optional
-  ],
-]]);
+    // 'sasl_user' => false, // optional
+    // 'sasl_password' => false // optional
+]));
 
 /**
  * In case you need to enable compress_data option:
diff --git a/docs/examples/memcached.php b/docs/examples/memcached.php
index f57c85f1a..d93e2966c 100644
--- a/docs/examples/memcached.php
+++ b/docs/examples/memcached.php
@@ -13,18 +13,17 @@
  */
 
 use Phpfastcache\CacheManager;
+use Phpfastcache\Drivers\Memcached\Config;
 
 // Include composer autoloader
 require __DIR__ . '/../../vendor/autoload.php';
 
-$InstanceCache = CacheManager::getInstance('memcached', ['servers' => [
-  [
+$InstanceCache = CacheManager::getInstance('memcached', new Config([
     'host' =>'127.0.0.1',
     'port' => 11211,
       // 'sasl_user' => false, // optional
       // 'sasl_password' => false // optional
-  ],
-]]);
+]));
 
 /**
  * In case you need SASL authentication:
diff --git a/docs/examples/predis.php b/docs/examples/predis.php
index 21e480bf5..3e9aaffbe 100644
--- a/docs/examples/predis.php
+++ b/docs/examples/predis.php
@@ -13,16 +13,17 @@
  */
 
 use Phpfastcache\CacheManager;
+use Phpfastcache\Drivers\Predis\Config;
 
 // Include composer autoloader
 require __DIR__ . '/../../vendor/autoload.php';
 
-$InstanceCache = CacheManager::getInstance('predis', [
+$InstanceCache = CacheManager::getInstance('predis', new Config([
     'host' => '127.0.0.1', //Default value
     'port' => 6379, //Default value
     'password' => null, //Default value
     'database' => null, //Default value
-]);
+]));
 
 /**
  * Try to get $products from Caching First
diff --git a/docs/examples/redis.php b/docs/examples/redis.php
index a8b267107..aea1b93c2 100644
--- a/docs/examples/redis.php
+++ b/docs/examples/redis.php
@@ -13,16 +13,17 @@
  */
 
 use Phpfastcache\CacheManager;
+use Phpfastcache\Drivers\Redis\Config;
 
 // Include composer autoloader
 require __DIR__ . '/../../vendor/autoload.php';
 
-$InstanceCache = CacheManager::getInstance('redis', [
+$InstanceCache = CacheManager::getInstance('redis', new Config([
   'host' => '127.0.0.1', //Default value
   'port' => 6379, //Default value
   'password' => null, //Default value
   'database' => null, //Default value
-]);
+]));
 
 /**
  * Try to get $products from Caching First
diff --git a/docs/examples/riak.php b/docs/examples/riak.php
index 3de651c13..b0e0b8b62 100644
--- a/docs/examples/riak.php
+++ b/docs/examples/riak.php
@@ -13,6 +13,7 @@
  */
 
 use Phpfastcache\CacheManager;
+use Phpfastcache\Drivers\Riak\Config;
 
 // Include composer autoloader
 require __DIR__ . '/../../vendor/autoload.php';
@@ -23,7 +24,7 @@
 $config['prefix'] = 'riak';
 $config['bucketName'] = 'phpfastcache';
 
-$InstanceCache = CacheManager::getInstance('riak', $config);
+$InstanceCache = CacheManager::getInstance('riak', new Config($config));
 
 /**
  * Try to get $products from Caching First
diff --git a/docs/examples/sqlite.php b/docs/examples/sqlite.php
index ee990a682..d4d1a0611 100644
--- a/docs/examples/sqlite.php
+++ b/docs/examples/sqlite.php
@@ -19,12 +19,13 @@
 
 
 use Phpfastcache\CacheManager;
+use Phpfastcache\Config\Config;
 use Phpfastcache\Core\phpFastCache;
 
 // Setup File Path on your config files
-CacheManager::setDefaultConfig([
+CacheManager::setDefaultConfig(new Config([
   "path" => sys_get_temp_dir(),
-]);
+]));
 
 // In your class, function, you can call the Cache
 $InstanceCache = CacheManager::getInstance('sqlite');