new feature: reset the database connections

Author: meritel

README.md

@@ -31,6 +31,7 @@ Installation via composer:
     $result = $db->get_row('SELECT * FROM user WHERE id=?', [ 1 ]); // Returns one row
     $result = $db->get_column('SELECT id FROM user', []); // Returns 1 column
     $result = $db->get_one('SELECT username FROM user WHERE id=?', [ 1 ]); // Returns 1 field
+    $columns = $db->get_columns('user'); // Gets the columns for table 'user'
 
     $data = [
     	'username' => 'testuser',
@@ -42,4 +43,7 @@ Installation via composer:
     $where = 'id=' . $db->quote(1);
     $result = $db->update('user', $data, $where); // Updates a row
 
+    // To remove all existing connections
+    Database::Reset();
+
 more to come...

lib/Skeleton/Database/Database.php

@@ -66,4 +66,16 @@ public static function Get($dsn = null, $use_as_default = false) {
 		}
 		return self::$proxy[$dsn];
 	}
+
+	/**
+	 * Reset
+	 * Resets all existing connections
+	 *
+	 * @access public
+	 */
+	public static function Reset() {
+		self::$proxy = [];
+		self::$default_dsn = null;
+		self::$pids = [];
+	}
 }