--- a/src/ConfigHelper.php	Sat Dec 02 10:18:52 2023 -0500
+++ b/src/ConfigHelper.php	Sat Dec 02 10:20:32 2023 -0500
@@ -4,47 +4,76 @@
 
 class ConfigHelper
 {
+    // Config array
     public static $config = [];
+
+    // Config file name constant
     public const CONFIG_FILE_NAME = 'mf_config.php';
+
+    // Config path variable
     public static $config_path;
 
+    /**
+     * Set up configuration path
+     *
+     * @param string $base_path
+     */
     public static function setup_config_path(string $base_path)
     {
         self::$config_path = $base_path.'/'.self::CONFIG_FILE_NAME;
     }
 
+    /**
+     * Get configuration path
+     *
+     * @return string
+     */
     protected static function get_config_path()
     {
         return self::$config_path;
     }
 
+    /**
+     * Write configuration into a file
+     */
     public static function write_config()
     {
         $path = self::get_config_path();
         $str = '<?php
-			return '.self::varexport(self::$config, true).';';
+                        return '.self::varexport(self::$config, true).';';
 
         file_put_contents($path, $str);
+        // After writing the file, format it
         self::format_file($path);
     }
 
+    /**
+     * Read configuration from a file
+     */
     public static function read_config()
     {
         $path = self::get_config_path();
         self::$config = include $path;
     }
 
+    /**
+     * Print configuration
+     */
     public static function print_config()
     {
         self::varexport(self::$config);
     }
 
     /**
-     * PHP var_export() with short array syntax (square brackets) indented 2 spaces.
+     * PHP var_export() function with short array syntax (square brackets) indented 2 spaces.
      *
      * NOTE: The only issue is when a string value has `=>\n[`, it will get converted to `=> [`
      *
      * @see https://www.php.net/manual/en/function.var-export.php
+     *
+     * @param mixed $expression
+     * @param boolean $return
+     * @return mixed
      */
     public static function varexport($expression, $return = false)
     {
@@ -63,15 +92,23 @@
         }
     }
 
+    /**
+     * Format the given file
+     *
+     * @param string $path
+     */
     protected static function format_file(string $path)
     {
         exec('php-cs-fixer fix '.$path);
     }
 
+    /**
+     * Set up tables
+     */
     public static function set_up_tables()
     {
         $schema = \DB::connection()->getDoctrineSchemaManager();
-        // get all the tables available in the db
+        // get all the tables available in the database
         $tables = collect($schema->listTableNames())->all();
 
         $insert_tables = [];
@@ -99,11 +136,18 @@
             $insert_tables[$table]['columns'] = $columns;
             $insert_tables[$table]['type'] = 'default';
         }
+        // Merge the new tables configuration into the initial config
         self::merge_array_priority(self::$config['tables'], $insert_tables);
 
         return $tables;
     }
 
+    /**
+     * Merge two arrays and ensure priority values do not get overwritten
+     *
+     * @param array $priority
+     * @param array $merged
+     */
     private static function merge_array_priority(&$priority, $merged)
     {
         foreach ($merged as $key => $value) {
@@ -111,7 +155,7 @@
             if (!isset($priority[$key])) {
                 $priority[$key] = $value;
             } else {
-                // if the value is an array recursively merge
+                // if the value is an array recursively merge with priority
                 if (is_array($value) && is_array($priority[$key])) {
                     self::merge_array_priority($priority[$key], $value);
                 }