diff --git a/CHANGELOG.md b/CHANGELOG.md
index 94ed075..182c697 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,11 +4,17 @@ All notable changes to this project will be documented in this file. This projec
 to [Semantic Versioning] (http://semver.org/). For change log format,
 use [Keep a Changelog] (http://keepachangelog.com/).
 
-## [2.0.0-beta2] - In progress
+## [2.0.0-beta2] - 2021-04-14
 
 ### Added
 
 - New `YamlAdapter` adapter
+- Add parameter `$compiled` to `Config::getArrayCopy()` to get the compiled version
+
+### Fixed
+
+- Fixed multiple function calls in a value, or concatenation of function result and string
+- Fixed way of merge from multiple configuration file
 
 ## [2.0.0-beta1] - 2021-04-07
 
diff --git a/src/Config.php b/src/Config.php
index ee5b2ea..33597e6 100644
--- a/src/Config.php
+++ b/src/Config.php
@@ -103,7 +103,7 @@ public function get(string $key = null, mixed $default = null): mixed
         $found = false;
 
         foreach ($this->configs as $config) {
-            if (!$config->has($key)) {
+            if (false === $config->has($key)) {
                 continue;
             }
 
@@ -125,7 +125,7 @@ public function get(string $key = null, mixed $default = null): mixed
                 return $value;
             }
 
-            $arrayValue = array_merge($arrayValue ?? [], $value);
+            $arrayValue = b_array_merge_recursive($value, $arrayValue ?? []);
         }
 
         if (false === $found) {
@@ -155,12 +155,17 @@ public function has(string $key): bool
     /**
      * @inheritDoc
      */
-    public function getArrayCopy(): array
+    public function getArrayCopy(bool $compiled = false): array
     {
         $configArrays = array_map(fn(ConfigInterface $config) => $config->getArrayCopy(), $this->configs);
         rsort($configArrays);
         $configArray = b_array_merge_recursive(...$configArrays);
         unset($configArrays);
+
+        if (false === $compiled) {
+            return $configArray;
+        }
+
         $this->treatValue($configArray);
 
         return $configArray;
@@ -186,27 +191,33 @@ protected function treatValue(mixed &$value): void
             return;
         }
 
-        // Not to treat
-        if (!str_starts_with($value, static::ENCAPSULATION_START) &&
-            !str_ends_with($value, static::ENCAPSULATION_END)) {
+        $matches = [];
+        if (!preg_match_all(
+                '#{\s*(?:=|(?<function>\w+)\s*:\s*)(?<value>[^}]+)\s*}#',
+                $value,
+                $matches,
+                PREG_OFFSET_CAPTURE | PREG_UNMATCHED_AS_NULL
+            )) {
             return;
         }
 
-        // If it's an asked value {= varName}
-        if (str_starts_with($value, static::ENCAPSULATION_START . '=')) {
-            $value = $this->functions->execute('var', trim(substr($value, 2, -1)));
+        if (empty($matches)) {
             return;
         }
 
-        $tmpValue = substr($value, 1, -1);
-        $tmpValue = explode(':', $tmpValue, 2);
-        $tmpValue = array_map('trim', $tmpValue);
+        $shift = 0;
+        foreach ($matches[0] as $key => $match) {
+            $function = $matches['function'][$key][0] ?? 'var';
+            $result = $this->functions->execute($function, trim($matches['value'][$key][0]));
 
-        // Not to treat
-        if (2 !== count($tmpValue)) {
-            return;
-        }
+            if (strlen($match[0]) == strlen($value)) {
+                $value = $result;
+                return;
+            }
 
-        $value = $this->functions->execute($tmpValue[0], $tmpValue[1]);
+            $result = (string)$result;
+            $value = substr_replace($value, $result, $match[1] + $shift, $length = strlen($match[0]));
+            $shift = strlen($result) - $length;
+        }
     }
 }
\ No newline at end of file
diff --git a/tests/ConfigTest.php b/tests/ConfigTest.php
index e463dad..d711dab 100644
--- a/tests/ConfigTest.php
+++ b/tests/ConfigTest.php
@@ -82,8 +82,8 @@ public function testGet()
         $config = new FakeConfig(
             [
                 new JsonAdapter(__DIR__ . '/config.json5', true, priority: 0),
-                new JsonAdapter(__DIR__ . '/config2.json5', true, priority: 1),
                 new JsonAdapter(__DIR__ . '/config3.json5', true, priority: 10),
+                new JsonAdapter(__DIR__ . '/config2.json5', true, priority: 1),
             ],
             variables: ['QUX' => 'QUX QUX QUX']
         );
@@ -91,8 +91,10 @@ public function testGet()
         $this->assertEquals('ERASE ARRAY', $config->get('foo'));
         $this->assertEquals(['ERASE STRING'], $config->get('bar'));
         $this->assertEquals('QUX VALUE', $config->get('qux'));
-        $this->assertEquals('value', $config->get('section2.bar'));
-        $this->assertEquals(['QUX QUX QUX', 'QUX QUX QUX', 'value2', '{not}'], $config->get('section.qux'));
+        $this->assertEquals('value-test', $config->get('section2.bar'));
+        $this->assertSame(123456, $config->get('section2.qux'));
+        $this->assertEquals(['value2', '{not}', 'QUX QUX QUX', 'QUX QUX QUX'], $config->get('section.qux'));
+        $this->assertEquals(['bar' => 'value-test', 'baz' => 123456, 'qux' => 123456], $config->get('section2'));
         $this->assertSame(true, $config->get('baz'));
     }
 
@@ -101,8 +103,8 @@ public function testHas()
         $config = new FakeConfig(
             [
                 new JsonAdapter(__DIR__ . '/config.json5', true, priority: 0),
-                new JsonAdapter(__DIR__ . '/config2.json5', true, priority: 1),
                 new JsonAdapter(__DIR__ . '/config3.json5', true, priority: 10),
+                new JsonAdapter(__DIR__ . '/config2.json5', true, priority: 1),
             ],
             variables: ['QUX' => 'QUX QUX QUX']
         );
@@ -117,8 +119,8 @@ public function testGetArrayCopy()
         $config = new FakeConfig(
             [
                 new JsonAdapter(__DIR__ . '/config.json5', true, priority: 0),
-                new JsonAdapter(__DIR__ . '/config2.json5', true, priority: 1),
                 new JsonAdapter(__DIR__ . '/config3.json5', true, priority: 10),
+                new JsonAdapter(__DIR__ . '/config2.json5', true, priority: 1),
             ],
             variables: ['QUX' => 'QUX QUX QUX']
         );
@@ -136,8 +138,9 @@ public function testGetArrayCopy()
                 ]
             ],
             "section2" => [
-                "bar" => "value",
-                "baz" => null,
+                "bar" => "value-test",
+                "baz" => 123456,
+                "qux" => 123456,
             ],
             "baz" => true
         ];
diff --git a/tests/config3.json5 b/tests/config3.json5
index 2a6e1bb..57c7d04 100644
--- a/tests/config3.json5
+++ b/tests/config3.json5
@@ -9,6 +9,8 @@
     ]
   },
   "section2": {
-    "bar": "{config:section.foo}",
+    "bar": "{config:section.foo}-test",
+    "baz": 123456,
+    "qux": "{config:section2.baz}"
   }
 }
\ No newline at end of file