diff --git a/install.php b/install.php
index 0e2c924..8564a91 100644
--- a/install.php
+++ b/install.php
@@ -1,79 +1,79 @@
 <?php
 
 /**
-* Codeigniter asset versioning installer
-*
-* @author     Roland Oduberu <https://github.com/roliod>
-* @license    MIT License
-* @copyright  2018 Roland Oduberu
-* @link       https://github.com/roliod/codeigniter-asset-versioning/releases
-*/
+ * Codeigniter asset versioning installer
+ *
+ * @author     Roland Oduberu <https://github.com/roliod>
+ * @license    MIT License
+ * @copyright  2018 Roland Oduberu
+ * @link       https://github.com/roliod/codeigniter-asset-versioning/releases
+ */
 
 $installer = new Installer();
 $installer->install();
 
-Class Installer
+class Installer
 {
-  public $helper_to_path;
-  public $library_to_path;
-  public $helper_from_path;
-  public $library_form_path;
+    public $helper_to_path;
+    public $library_to_path;
+    public $helper_from_path;
+    public $library_form_path;
 
-  public function __construct()
-  {
-    $this->library_to_path = "application/libraries/asset.php";
-    $this->helper_to_path = "application/helpers/asset_helper.php";
-    $this->library_form_path = "vendor/roliod/codeigniter-asset-versioning/src/libraries/asset.php";
-    $this->helper_from_path = "vendor/roliod/codeigniter-asset-versioning/src/helpers/asset_helper.php";
-  }
-
-  public function install()
-  {
-    $this->copy_helper();
-    $this->copy_library();
-  }
+    public function __construct()
+    {
+        $this->library_to_path = "application/libraries/asset.php";
+        $this->helper_to_path = "application/helpers/asset_helper.php";
+        $this->library_form_path = "vendor/roliod/codeigniter-asset-versioning/src/libraries/asset.php";
+        $this->helper_from_path = "vendor/roliod/codeigniter-asset-versioning/src/helpers/asset_helper.php";
+    }
 
-  public function copy_helper()
-  {
-    if ($this->exists($this->helper_to_path)) {
-      return $this;
+    public function install()
+    {
+        $this->copy_helper();
+        $this->copy_library();
     }
 
-    $this->copy_file($this->helper_from_path, $this->helper_to_path);
+    public function copy_helper()
+    {
+        if ($this->exists($this->helper_to_path)) {
+            return $this;
+        }
 
-    return $this;
-  }
+        $this->copy_file($this->helper_from_path, $this->helper_to_path);
 
-  public function copy_library()
-  {
-    if ($this->exists($this->library_to_path)) {
-      return $this;
+        return $this;
     }
 
-    $this->copy_file($this->library_form_path, $this->library_to_path);
+    public function copy_library()
+    {
+        if ($this->exists($this->library_to_path)) {
+            return $this;
+        }
+
+        $this->copy_file($this->library_form_path, $this->library_to_path);
 
-    return $this;
-  }
+        return $this;
+    }
 
-  /**
-  * Check if file exists
-  *
-  * @param string $file path
-  * @return bool
-  */
-  public function exists($path)
-  {
-    return (bool)file_exists($path);
-  }
+    /**
+     * Check if file exists
+     *
+     * @param string $file path
+     * @return bool
+     */
+    public function exists($path)
+    {
+        return (bool) file_exists($path);
+    }
 
-  /**
-  * Recursive Copy
-  *
-  * @param string $src
-  * @param string $dst
-  */
-  public function copy_file($from, $to)
-  {
-    copy($from, $to);
-  }
+    /**
+     * Recursive Copy
+     *
+     * @param string $src
+     * @param string $dst
+     */
+    public function copy_file($from, $to)
+    {
+        copy($from, $to);
+    }
 }
diff --git a/src/helpers/asset_helper.php b/src/helpers/asset_helper.php
index 4b193e4..d2e6acd 100644
--- a/src/helpers/asset_helper.php
+++ b/src/helpers/asset_helper.php
@@ -1,22 +1,22 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if (!defined('BASEPATH')) {
+    exit('No direct script access allowed');
+}
 
 /**
-* Codeigniter asset versioning installer
-*
-* @author     Roland Oduberu <https://github.com/roliod>
-* @license    MIT License
-* @copyright  2018 Roland Oduberu
-* @link       https://github.com/roliod/codeigniter-asset-versioning/releases
-*/
-
-if (! function_exists('version_url')) {
-
-  function version_url($path = '')
-  {
-    $CI =& get_instance();
-    $CI->load->library('asset');
+ * Codeigniter asset versioning installer
+ *
+ * @author     Roland Oduberu <https://github.com/roliod>
+ * @license    MIT License
+ * @copyright  2018 Roland Oduberu
+ * @link       https://github.com/roliod/codeigniter-asset-versioning/releases
+ */
 
-    return $CI->asset->version_url($path);
-  }
+if (!function_exists('version_url')) {
+    function version_url($path = '')
+    {
+        $CI = &get_instance();
+        $CI->load->library('asset');
 
+        return $CI->asset->version_url($path);
+    }
 }
diff --git a/src/libraries/asset.php b/src/libraries/asset.php
index 14b468f..9ce2d24 100644
--- a/src/libraries/asset.php
+++ b/src/libraries/asset.php
@@ -1,23 +1,23 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if (!defined('BASEPATH')) {
+    exit('No direct script access allowed');
+}
 
 /**
-* Codeigniter asset versioning installer
-*
-* @author     Roland Oduberu <https://github.com/roliod>
-* @license    MIT License
-* @copyright  2018 Roland Oduberu
-* @link       https://github.com/roliod/codeigniter-asset-versioning/releases
-*/
+ * Codeigniter asset versioning installer
+ *
+ * @author     Roland Oduberu <https://github.com/roliod>
+ * @license    MIT License
+ * @copyright  2018 Roland Oduberu
+ * @link       https://github.com/roliod/codeigniter-asset-versioning/releases
+ */
 
 class asset extends CI_Model
 {
+    public function version_url($path = '')
+    {
+        $base_url = $this->config->item('base_url');
+        $version = filemtime(FCPATH . $path);
 
-  public function version_url($path = '')
-  {
-    $base_url = $this->config->item('base_url');
-    $version = filemtime(FCPATH . $path);
-
-    return $base_url . '/' . $path . '?v=' . $version;
-  }
-
+        return $base_url . '/' . $path . '?v=' . $version;
+    }
 }