tnhfw / tnh-fw

core/classes/Database.php

Indentation +1289 added lines, -1289 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-    defined('ROOT_PATH') || exit('Access denied');
+	defined('ROOT_PATH') || exit('Access denied');
   /**
    * TNH Framework
    *
@@ -22,1198 +22,1198 @@ 
    * You should have received a copy of the GNU General Public License
    * along with this program; if not, write to the Free Software
    * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
-  */
+   */
   class Database{
 	
 	/**
 	 * The PDO instance
 	 * @var object
-	*/
-    private $pdo                 = null;
+	 */
+	private $pdo                 = null;
     
 	/**
 	 * The database name used for the application
 	 * @var string
-	*/
+	 */
 	private $databaseName        = null;
     
 	/**
 	 * The SQL SELECT statment
 	 * @var string
-	*/
+	 */
 	private $select              = '*';
 	
 	/**
 	 * The SQL FROM statment
 	 * @var string
-	*/
-    private $from                = null;
+	 */
+	private $from                = null;
 	
 	/**
 	 * The SQL WHERE statment
 	 * @var string
-	*/
-    private $where               = null;
+	 */
+	private $where               = null;
 	
 	/**
 	 * The SQL LIMIT statment
 	 * @var string
-	*/
-    private $limit               = null;
+	 */
+	private $limit               = null;
 	
 	/**
 	 * The SQL JOIN statment
 	 * @var string
-	*/
-    private $join                = null;
+	 */
+	private $join                = null;
 	
 	/**
 	 * The SQL ORDER BY statment
 	 * @var string
-	*/
-    private $orderBy             = null;
+	 */
+	private $orderBy             = null;
 	
 	/**
 	 * The SQL GROUP BY statment
 	 * @var string
-	*/
-    private $groupBy             = null;
+	 */
+	private $groupBy             = null;
 	
 	/**
 	 * The SQL HAVING statment
 	 * @var string
-	*/
-    private $having              = null;
+	 */
+	private $having              = null;
 	
 	/**
 	 * The number of rows returned by the last query
 	 * @var int
-	*/
-    private $numRows             = 0;
+	 */
+	private $numRows             = 0;
 	
 	/**
 	 * The last insert id for the primary key column that have auto increment or sequence
 	 * @var mixed
-	*/
-    private $insertId            = null;
+	 */
+	private $insertId            = null;
 	
 	/**
 	 * The full SQL query statment after build for each command
 	 * @var string
-	*/
-    private $query               = null;
+	 */
+	private $query               = null;
 	
 	/**
 	 * The error returned for the last query
 	 * @var string
-	*/
-    private $error               = null;
+	 */
+	private $error               = null;
 	
 	/**
 	 * The result returned for the last query
 	 * @var mixed
-	*/
-    private $result              = array();
+	 */
+	private $result              = array();
 	
 	/**
 	 * The prefix used in each database table
 	 * @var string
-	*/
-    private $prefix              = null;
+	 */
+	private $prefix              = null;
 	
 	/**
 	 * The list of SQL valid operators
 	 * @var array
-	*/
-    private $operatorList        = array('=','!=','<','>','<=','>=','<>');
+	 */
+	private $operatorList        = array('=','!=','<','>','<=','>=','<>');
     
 	/**
 	 * The cache default time to live in second. 0 means no need to use the cache feature
 	 * @var int
-	*/
+	 */
 	private $cacheTtl              = 0;
 	
 	/**
 	 * The cache current time to live. 0 means no need to use the cache feature
 	 * @var int
-	*/
-    private $temporaryCacheTtl   = 0;
+	 */
+	private $temporaryCacheTtl   = 0;
 	
 	/**
 	 * The number of executed query for the current request
 	 * @var int
-	*/
-    private $queryCount          = 0;
+	 */
+	private $queryCount          = 0;
 	
 	/**
 	 * The default data to be used in the statments query INSERT, UPDATE
 	 * @var array
-	*/
-    private $data                = array();
+	 */
+	private $data                = array();
 	
 	/**
 	 * The database configuration
 	 * @var array
-	*/
-    private $config              = array();
+	 */
+	private $config              = array();
 	
 	/**
 	 * The logger instance
 	 * @var Log
 	 */
-    private $logger              = null;
+	private $logger              = null;
 
 
-    /**
-    * The cache instance
-    * @var CacheInterface
-    */
-    private $cacheInstance       = null;
+	/**
+	 * The cache instance
+	 * @var CacheInterface
+	 */
+	private $cacheInstance       = null;
 
-     /**
-    * The benchmark instance
-    * @var Benchmark
-    */
-    private $benchmarkInstance   = null;
+	 /**
+	  * The benchmark instance
+	  * @var Benchmark
+	  */
+	private $benchmarkInstance   = null;
 
 
-    /**
-     * Construct new database
-     * @param array $overwriteConfig the config to overwrite with the config set in database.php
-     */
-    public function __construct($overwriteConfig = array()){
-        //Set Log instance to use
-        $this->setLoggerFromParamOrCreateNewInstance(null);
+	/**
+	 * Construct new database
+	 * @param array $overwriteConfig the config to overwrite with the config set in database.php
+	 */
+	public function __construct($overwriteConfig = array()){
+		//Set Log instance to use
+		$this->setLoggerFromParamOrCreateNewInstance(null);
 
-        //Set global configuration using the config file
-        $this->setDatabaseConfigurationFromConfigFile($overwriteConfig);
+		//Set global configuration using the config file
+		$this->setDatabaseConfigurationFromConfigFile($overwriteConfig);
         
-    		$this->temporaryCacheTtl = $this->cacheTtl;
-    }
-
-    /**
-     * This is used to connect to database
-     * @return bool 
-     */
-    public function connect(){
-      $config = $this->getDatabaseConfiguration();
-      if(! empty($config)){
-        try{
-            $this->pdo = new PDO($this->getDsnFromDriver(), $config['username'], $config['password']);
-            $this->pdo->exec("SET NAMES '" . $config['charset'] . "' COLLATE '" . $config['collation'] . "'");
-            $this->pdo->exec("SET CHARACTER SET '" . $config['charset'] . "'");
-            $this->pdo->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_OBJ);
-            return true;
-          }
-          catch (PDOException $e){
-            $this->logger->fatal($e->getMessage());
-            show_error('Cannot connect to Database.');
-            return false;
-          }
-      }
-      else{
-        show_error('Database configuration is not set.');
-        return false;
-      }
-    }
-
-    /**
-     * Set the SQL FROM statment
-     * @param  string|array $table the table name or array of table list
-     * @return object        the current Database instance
-     */
-    public function from($table){
-      if(is_array($table)){
-        $froms = '';
-        foreach($table as $key){
-          $froms .= $this->prefix . $key . ', ';
-        }
-        $this->from = rtrim($froms, ', ');
-      }
-      else{
-        $this->from = $this->prefix . $table;
-      }
-      return $this;
-    }
-
-    /**
-     * Set the SQL SELECT statment
-     * @param  string|array $fields the field name or array of field list
-     * @return object        the current Database instance
-     */
-    public function select($fields){
-      $select = (is_array($fields) ? implode(', ', $fields) : $fields);
-      $this->select = ($this->select == '*' ? $select : $this->select . ', ' . $select);
-      return $this;
-    }
-
-    /**
-     * Set the SQL SELECT DISTINCT statment
-     * @param  string $field the field name to distinct
-     * @return object        the current Database instance
-     */
-    public function distinct($field){
-      $distinct = ' DISTINCT ' . $field;
-      $this->select = ($this->select == '*' ? $distinct : $this->select . ', ' . $distinct);
-
-      return $this;
-    }
-
-    /**
-     * Set the SQL function MAX in SELECT statment
-     * @param  string $field the field name
-     * @param  string $name  if is not null represent the alias used for this field in the result
-     * @return object        the current Database instance
-     */
-    public function max($field, $name = null){
-      $func = 'MAX(' . $field . ')' . (!is_null($name) ? ' AS ' . $name : '');
-      $this->select = ($this->select == '*' ? $func : $this->select . ', ' . $func);
-      return $this;
-    }
-
-    /**
-     * Set the SQL function MIN in SELECT statment
-     * @param  string $field the field name
-     * @param  string $name  if is not null represent the alias used for this field in the result
-     * @return object        the current Database instance
-     */
-    public function min($field, $name = null){
-      $func = 'MIN(' . $field . ')' . (!is_null($name) ? ' AS ' . $name : '');
-      $this->select = ($this->select == '*' ? $func : $this->select . ', ' . $func);
-      return $this;
-    }
-
-    /**
-     * Set the SQL function SUM in SELECT statment
-     * @param  string $field the field name
-     * @param  string $name  if is not null represent the alias used for this field in the result
-     * @return object        the current Database instance
-     */
-    public function sum($field, $name = null){
-      $func = 'SUM(' . $field . ')' . (!is_null($name) ? ' AS ' . $name : '');
-      $this->select = ($this->select == '*' ? $func : $this->select . ', ' . $func);
-      return $this;
-    }
-
-    /**
-     * Set the SQL function COUNT in SELECT statment
-     * @param  string $field the field name
-     * @param  string $name  if is not null represent the alias used for this field in the result
-     * @return object        the current Database instance
-     */
-    public function count($field = '*', $name = null){
-      $func = 'COUNT(' . $field . ')' . (!is_null($name) ? ' AS ' . $name : '');
-      $this->select = ($this->select == '*' ? $func : $this->select . ', ' . $func);
-      return $this;
-    }
-
-    /**
-     * Set the SQL function AVG in SELECT statment
-     * @param  string $field the field name
-     * @param  string $name  if is not null represent the alias used for this field in the result
-     * @return object        the current Database instance
-     */
-    public function avg($field, $name = null){
-      $func = 'AVG(' . $field . ')' . (!is_null($name) ? ' AS ' . $name : '');
-      $this->select = ($this->select == '*' ? $func : $this->select . ', ' . $func);
-      return $this;
-    }
-
-    /**
-     * Set the SQL JOIN statment
-     * @param  string $table  the join table name
-     * @param  string $field1 the first field for join conditions	
-     * @param  string $op     the join condition operator. If is null the default will be "="
-     * @param  string $field2 the second field for join conditions
-     * @param  string $type   the type of join (INNER, LEFT, RIGHT)
-     * @return object        the current Database instance
-     */
-    public function join($table, $field1 = null, $op = null, $field2 = null, $type = ''){
-      $on = $field1;
-      $table = $this->prefix . $table;
-      if(! is_null($op)){
-        $on = (! in_array($op, $this->operatorList) ? $this->prefix . $field1 . ' = ' . $this->prefix . $op : $this->prefix . $field1 . ' ' . $op . ' ' . $this->prefix . $field2);
-      }
-      if (empty($this->join)){
-        $this->join = ' ' . $type . 'JOIN' . ' ' . $table . ' ON ' . $on;
-      }
-      else{
-        $this->join = $this->join . ' ' . $type . 'JOIN' . ' ' . $table . ' ON ' . $on;
-      }
-      return $this;
-    }
-
-    /**
-     * Set the SQL INNER JOIN statment
-     * @see  Database::join()
-     * @return object        the current Database instance
-     */
-    public function innerJoin($table, $field1, $op = null, $field2 = ''){
-      return $this->join($table, $field1, $op, $field2, 'INNER ');
-    }
-
-    /**
-     * Set the SQL LEFT JOIN statment
-     * @see  Database::join()
-     * @return object        the current Database instance
-     */
-    public function leftJoin($table, $field1, $op = null, $field2 = ''){
-      return $this->join($table, $field1, $op, $field2, 'LEFT ');
-	}
-
-	/**
-     * Set the SQL RIGHT JOIN statment
-     * @see  Database::join()
-     * @return object        the current Database instance
-     */
-    public function rightJoin($table, $field1, $op = null, $field2 = ''){
-      return $this->join($table, $field1, $op, $field2, 'RIGHT ');
-    }
-
-    /**
-     * Set the SQL FULL OUTER JOIN statment
-     * @see  Database::join()
-     * @return object        the current Database instance
-     */
-    public function fullOuterJoin($table, $field1, $op = null, $field2 = ''){
-    	return $this->join($table, $field1, $op, $field2, 'FULL OUTER ');
-    }
-
-    /**
-     * Set the SQL LEFT OUTER JOIN statment
-     * @see  Database::join()
-     * @return object        the current Database instance
-     */
-    public function leftOuterJoin($table, $field1, $op = null, $field2 = ''){
-      return $this->join($table, $field1, $op, $field2, 'LEFT OUTER ');
-    }
-
-    /**
-     * Set the SQL RIGHT OUTER JOIN statment
-     * @see  Database::join()
-     * @return object        the current Database instance
-     */
-    public function rightOuterJoin($table, $field1, $op = null, $field2 = ''){
-      return $this->join($table, $field1, $op, $field2, 'RIGHT OUTER ');
-    }
-
-    /**
-     * Set the SQL WHERE CLAUSE for IS NULL
-     * @param  string|array $field  the field name or array of field list
-     * @param  string $andOr the separator type used 'AND', 'OR', etc.
-     * @return object        the current Database instance
-     */
-    public function whereIsNull($field, $andOr = 'AND'){
-      if(is_array($field)){
-        foreach($field as $f){
-        	$this->whereIsNull($f, $andOr);
-        }
-      }
-      else{
-        if (! $this->where){
-          $this->where = $field.' IS NULL ';
-        }
-        else{
-            $this->where = $this->where . ' '.$andOr.' ' . $field.' IS NULL ';
-          }
-      }
-      return $this;
-    }
-
-    /**
-     * Set the SQL WHERE CLAUSE for IS NOT NULL
-     * @param  string|array $field  the field name or array of field list
-     * @param  string $andOr the separator type used 'AND', 'OR', etc.
-     * @return object        the current Database instance
-     */
-    public function whereIsNotNull($field, $andOr = 'AND'){
-      if(is_array($field)){
-        foreach($field as $f){
-          $this->whereIsNotNull($f, $andOr);
-        }
-      }
-      else{
-        if (! $this->where){
-          $this->where = $field.' IS NOT NULL ';
-        }
-        else{
-            $this->where = $this->where . ' '.$andOr.' ' . $field.' IS NOT NULL ';
-          }
-      }
-      return $this;
-    }
-
-    /**
-     * Get the SQL WHERE clause using array column => value
-     * @see Database::where
-     *
-     * @return string
-     */
-    protected function getWhereStrIfIsArray(array $where, $type = '', $andOr = 'AND', $escape = true){
-        $_where = array();
-        foreach ($where as $column => $data){
-          if(is_null($data)){
-            $data = '';
-          }
-          $_where[] = $type . $column . ' = ' . ($escape ? $this->escape($data) : $data);
-        }
-        $where = implode(' '.$andOr.' ', $_where);
-        return $where;
-    }
-
-     /**
-     * Get the SQL WHERE clause when operator argument is an array
-     * @see Database::where
-     *
-     * @return string
-     */
-    protected function getWhereStrIfOperatorIsArray($where, array $op, $type = '', $escape = true){
-       $x = explode('?', $where);
-       $w = '';
-        foreach($x as $k => $v){
-          if(! empty($v)){
-              if(isset($op[$k]) && is_null($op[$k])){
-                $op[$k] = '';
-              }
-              $w .= $type . $v . (isset($op[$k]) ? ($escape ? $this->escape($op[$k]) : $op[$k]) : '');
-          }
-        }
-        return $w;
-    }
-
-    /**
-     * Get the default SQL WHERE clause using operator = or the operator argument
-     * @see Database::where
-     *
-     * @return string
-     */
-    protected function getWhereStrForOperator($where, $op = null, $val = null, $type = '', $escape = true){
-       $w = '';
-       if (! in_array((string)$op, $this->operatorList)){
-          if(is_null($op)){
-            $op = '';
-          }
-          $w = $type . $where . ' = ' . ($escape ? $this->escape($op) : $op);
-        }
-        else{
-          if(is_null($val)){
-            $val = '';
-          }
-          $w = $type . $where . $op . ($escape ? $this->escape($val) : $val);
-        }
-        return $w;
-      }
-
-      /**
-       * Set the $this->where property 
-       * @param string $whereStr the WHERE clause string
-       * @param  string  $andOr the separator type used 'AND', 'OR', etc.
-       */
-      protected function setWhereStr($whereStr, $andOr = 'AND'){
-        if (empty($this->where)){
-          $this->where = $whereStr;
-        }
-        else{
-          if(substr($this->where, -1) == '('){
-            $this->where = $this->where . ' ' . $whereStr;
-          }
-          else{
-            $this->where = $this->where . ' '.$andOr.' ' . $whereStr;
-          }
-        }
-      }
+			$this->temporaryCacheTtl = $this->cacheTtl;
+	}
+
+	/**
+	 * This is used to connect to database
+	 * @return bool 
+	 */
+	public function connect(){
+	  $config = $this->getDatabaseConfiguration();
+	  if(! empty($config)){
+		try{
+			$this->pdo = new PDO($this->getDsnFromDriver(), $config['username'], $config['password']);
+			$this->pdo->exec("SET NAMES '" . $config['charset'] . "' COLLATE '" . $config['collation'] . "'");
+			$this->pdo->exec("SET CHARACTER SET '" . $config['charset'] . "'");
+			$this->pdo->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_OBJ);
+			return true;
+		  }
+		  catch (PDOException $e){
+			$this->logger->fatal($e->getMessage());
+			show_error('Cannot connect to Database.');
+			return false;
+		  }
+	  }
+	  else{
+		show_error('Database configuration is not set.');
+		return false;
+	  }
+	}
+
+	/**
+	 * Set the SQL FROM statment
+	 * @param  string|array $table the table name or array of table list
+	 * @return object        the current Database instance
+	 */
+	public function from($table){
+	  if(is_array($table)){
+		$froms = '';
+		foreach($table as $key){
+		  $froms .= $this->prefix . $key . ', ';
+		}
+		$this->from = rtrim($froms, ', ');
+	  }
+	  else{
+		$this->from = $this->prefix . $table;
+	  }
+	  return $this;
+	}
+
+	/**
+	 * Set the SQL SELECT statment
+	 * @param  string|array $fields the field name or array of field list
+	 * @return object        the current Database instance
+	 */
+	public function select($fields){
+	  $select = (is_array($fields) ? implode(', ', $fields) : $fields);
+	  $this->select = ($this->select == '*' ? $select : $this->select . ', ' . $select);
+	  return $this;
+	}
+
+	/**
+	 * Set the SQL SELECT DISTINCT statment
+	 * @param  string $field the field name to distinct
+	 * @return object        the current Database instance
+	 */
+	public function distinct($field){
+	  $distinct = ' DISTINCT ' . $field;
+	  $this->select = ($this->select == '*' ? $distinct : $this->select . ', ' . $distinct);
+
+	  return $this;
+	}
+
+	/**
+	 * Set the SQL function MAX in SELECT statment
+	 * @param  string $field the field name
+	 * @param  string $name  if is not null represent the alias used for this field in the result
+	 * @return object        the current Database instance
+	 */
+	public function max($field, $name = null){
+	  $func = 'MAX(' . $field . ')' . (!is_null($name) ? ' AS ' . $name : '');
+	  $this->select = ($this->select == '*' ? $func : $this->select . ', ' . $func);
+	  return $this;
+	}
+
+	/**
+	 * Set the SQL function MIN in SELECT statment
+	 * @param  string $field the field name
+	 * @param  string $name  if is not null represent the alias used for this field in the result
+	 * @return object        the current Database instance
+	 */
+	public function min($field, $name = null){
+	  $func = 'MIN(' . $field . ')' . (!is_null($name) ? ' AS ' . $name : '');
+	  $this->select = ($this->select == '*' ? $func : $this->select . ', ' . $func);
+	  return $this;
+	}
+
+	/**
+	 * Set the SQL function SUM in SELECT statment
+	 * @param  string $field the field name
+	 * @param  string $name  if is not null represent the alias used for this field in the result
+	 * @return object        the current Database instance
+	 */
+	public function sum($field, $name = null){
+	  $func = 'SUM(' . $field . ')' . (!is_null($name) ? ' AS ' . $name : '');
+	  $this->select = ($this->select == '*' ? $func : $this->select . ', ' . $func);
+	  return $this;
+	}
+
+	/**
+	 * Set the SQL function COUNT in SELECT statment
+	 * @param  string $field the field name
+	 * @param  string $name  if is not null represent the alias used for this field in the result
+	 * @return object        the current Database instance
+	 */
+	public function count($field = '*', $name = null){
+	  $func = 'COUNT(' . $field . ')' . (!is_null($name) ? ' AS ' . $name : '');
+	  $this->select = ($this->select == '*' ? $func : $this->select . ', ' . $func);
+	  return $this;
+	}
+
+	/**
+	 * Set the SQL function AVG in SELECT statment
+	 * @param  string $field the field name
+	 * @param  string $name  if is not null represent the alias used for this field in the result
+	 * @return object        the current Database instance
+	 */
+	public function avg($field, $name = null){
+	  $func = 'AVG(' . $field . ')' . (!is_null($name) ? ' AS ' . $name : '');
+	  $this->select = ($this->select == '*' ? $func : $this->select . ', ' . $func);
+	  return $this;
+	}
+
+	/**
+	 * Set the SQL JOIN statment
+	 * @param  string $table  the join table name
+	 * @param  string $field1 the first field for join conditions	
+	 * @param  string $op     the join condition operator. If is null the default will be "="
+	 * @param  string $field2 the second field for join conditions
+	 * @param  string $type   the type of join (INNER, LEFT, RIGHT)
+	 * @return object        the current Database instance
+	 */
+	public function join($table, $field1 = null, $op = null, $field2 = null, $type = ''){
+	  $on = $field1;
+	  $table = $this->prefix . $table;
+	  if(! is_null($op)){
+		$on = (! in_array($op, $this->operatorList) ? $this->prefix . $field1 . ' = ' . $this->prefix . $op : $this->prefix . $field1 . ' ' . $op . ' ' . $this->prefix . $field2);
+	  }
+	  if (empty($this->join)){
+		$this->join = ' ' . $type . 'JOIN' . ' ' . $table . ' ON ' . $on;
+	  }
+	  else{
+		$this->join = $this->join . ' ' . $type . 'JOIN' . ' ' . $table . ' ON ' . $on;
+	  }
+	  return $this;
+	}
+
+	/**
+	 * Set the SQL INNER JOIN statment
+	 * @see  Database::join()
+	 * @return object        the current Database instance
+	 */
+	public function innerJoin($table, $field1, $op = null, $field2 = ''){
+	  return $this->join($table, $field1, $op, $field2, 'INNER ');
+	}
+
+	/**
+	 * Set the SQL LEFT JOIN statment
+	 * @see  Database::join()
+	 * @return object        the current Database instance
+	 */
+	public function leftJoin($table, $field1, $op = null, $field2 = ''){
+	  return $this->join($table, $field1, $op, $field2, 'LEFT ');
+	}
+
+	/**
+	 * Set the SQL RIGHT JOIN statment
+	 * @see  Database::join()
+	 * @return object        the current Database instance
+	 */
+	public function rightJoin($table, $field1, $op = null, $field2 = ''){
+	  return $this->join($table, $field1, $op, $field2, 'RIGHT ');
+	}
+
+	/**
+	 * Set the SQL FULL OUTER JOIN statment
+	 * @see  Database::join()
+	 * @return object        the current Database instance
+	 */
+	public function fullOuterJoin($table, $field1, $op = null, $field2 = ''){
+		return $this->join($table, $field1, $op, $field2, 'FULL OUTER ');
+	}
+
+	/**
+	 * Set the SQL LEFT OUTER JOIN statment
+	 * @see  Database::join()
+	 * @return object        the current Database instance
+	 */
+	public function leftOuterJoin($table, $field1, $op = null, $field2 = ''){
+	  return $this->join($table, $field1, $op, $field2, 'LEFT OUTER ');
+	}
+
+	/**
+	 * Set the SQL RIGHT OUTER JOIN statment
+	 * @see  Database::join()
+	 * @return object        the current Database instance
+	 */
+	public function rightOuterJoin($table, $field1, $op = null, $field2 = ''){
+	  return $this->join($table, $field1, $op, $field2, 'RIGHT OUTER ');
+	}
+
+	/**
+	 * Set the SQL WHERE CLAUSE for IS NULL
+	 * @param  string|array $field  the field name or array of field list
+	 * @param  string $andOr the separator type used 'AND', 'OR', etc.
+	 * @return object        the current Database instance
+	 */
+	public function whereIsNull($field, $andOr = 'AND'){
+	  if(is_array($field)){
+		foreach($field as $f){
+			$this->whereIsNull($f, $andOr);
+		}
+	  }
+	  else{
+		if (! $this->where){
+		  $this->where = $field.' IS NULL ';
+		}
+		else{
+			$this->where = $this->where . ' '.$andOr.' ' . $field.' IS NULL ';
+		  }
+	  }
+	  return $this;
+	}
+
+	/**
+	 * Set the SQL WHERE CLAUSE for IS NOT NULL
+	 * @param  string|array $field  the field name or array of field list
+	 * @param  string $andOr the separator type used 'AND', 'OR', etc.
+	 * @return object        the current Database instance
+	 */
+	public function whereIsNotNull($field, $andOr = 'AND'){
+	  if(is_array($field)){
+		foreach($field as $f){
+		  $this->whereIsNotNull($f, $andOr);
+		}
+	  }
+	  else{
+		if (! $this->where){
+		  $this->where = $field.' IS NOT NULL ';
+		}
+		else{
+			$this->where = $this->where . ' '.$andOr.' ' . $field.' IS NOT NULL ';
+		  }
+	  }
+	  return $this;
+	}
+
+	/**
+	 * Get the SQL WHERE clause using array column => value
+	 * @see Database::where
+	 *
+	 * @return string
+	 */
+	protected function getWhereStrIfIsArray(array $where, $type = '', $andOr = 'AND', $escape = true){
+		$_where = array();
+		foreach ($where as $column => $data){
+		  if(is_null($data)){
+			$data = '';
+		  }
+		  $_where[] = $type . $column . ' = ' . ($escape ? $this->escape($data) : $data);
+		}
+		$where = implode(' '.$andOr.' ', $_where);
+		return $where;
+	}
+
+	 /**
+	  * Get the SQL WHERE clause when operator argument is an array
+	  * @see Database::where
+	  *
+	  * @return string
+	  */
+	protected function getWhereStrIfOperatorIsArray($where, array $op, $type = '', $escape = true){
+	   $x = explode('?', $where);
+	   $w = '';
+		foreach($x as $k => $v){
+		  if(! empty($v)){
+			  if(isset($op[$k]) && is_null($op[$k])){
+				$op[$k] = '';
+			  }
+			  $w .= $type . $v . (isset($op[$k]) ? ($escape ? $this->escape($op[$k]) : $op[$k]) : '');
+		  }
+		}
+		return $w;
+	}
+
+	/**
+	 * Get the default SQL WHERE clause using operator = or the operator argument
+	 * @see Database::where
+	 *
+	 * @return string
+	 */
+	protected function getWhereStrForOperator($where, $op = null, $val = null, $type = '', $escape = true){
+	   $w = '';
+	   if (! in_array((string)$op, $this->operatorList)){
+		  if(is_null($op)){
+			$op = '';
+		  }
+		  $w = $type . $where . ' = ' . ($escape ? $this->escape($op) : $op);
+		}
+		else{
+		  if(is_null($val)){
+			$val = '';
+		  }
+		  $w = $type . $where . $op . ($escape ? $this->escape($val) : $val);
+		}
+		return $w;
+	  }
+
+	  /**
+	   * Set the $this->where property 
+	   * @param string $whereStr the WHERE clause string
+	   * @param  string  $andOr the separator type used 'AND', 'OR', etc.
+	   */
+	  protected function setWhereStr($whereStr, $andOr = 'AND'){
+		if (empty($this->where)){
+		  $this->where = $whereStr;
+		}
+		else{
+		  if(substr($this->where, -1) == '('){
+			$this->where = $this->where . ' ' . $whereStr;
+		  }
+		  else{
+			$this->where = $this->where . ' '.$andOr.' ' . $whereStr;
+		  }
+		}
+	  }
     
-    /**
-     * Set the SQL WHERE CLAUSE statment
-     * @param  string|array  $where the where field or array of field list
-     * @param  array|string  $op     the condition operator. If is null the default will be "="
-     * @param  mixed  $val    the where value
-     * @param  string  $type   the type used for this where clause (NOT, etc.)
-     * @param  string  $andOr the separator type used 'AND', 'OR', etc.
-     * @param  boolean $escape whether to escape or not the $val
-     * @return object        the current Database instance
-     */
-    public function where($where, $op = null, $val = null, $type = '', $andOr = 'AND', $escape = true){
-      $whereStr = '';
-      if (is_array($where)){
-        $whereStr = $this->getWhereStrIfIsArray($where, $type, $andOr, $escape);
-      }
-      else{
-        if(is_array($op)){
-          $whereStr = $this->getWhereStrIfOperatorIsArray($where, $op, $type, $escape);
-        } else {
-          $whereStr = $this->getWhereStrForOperator($where, $op, $val, $type, $escape = true);
-        }
-      }
-      $this->setWhereStr($whereStr, $andOr);
-      return $this;
-    }
-
-    /**
-     * Set the SQL WHERE CLAUSE statment using OR
-     * @see  Database::where()
-     * @return object        the current Database instance
-     */
-    public function orWhere($where, $op = null, $val = null, $escape = true){
-      return $this->where($where, $op, $val, '', 'OR', $escape);
-    }
-
-
-    /**
-     * Set the SQL WHERE CLAUSE statment using AND and NOT
-     * @see  Database::where()
-     * @return object        the current Database instance
-     */
-    public function notWhere($where, $op = null, $val = null, $escape = true){
-      return $this->where($where, $op, $val, 'NOT ', 'AND', $escape);
-    }
-
-    /**
-     * Set the SQL WHERE CLAUSE statment using OR and NOT
-     * @see  Database::where()
-     * @return object        the current Database instance
-     */
-    public function orNotWhere($where, $op = null, $val = null, $escape = true){
-    	return $this->where($where, $op, $val, 'NOT ', 'OR', $escape);
-    }
-
-    /**
-     * Set the opened parenthesis for the complex SQL query
-     * @param  string $type   the type of this grouped (NOT, etc.)
-     * @param  string $andOr the multiple conditions separator (AND, OR, etc.)
-     * @return object        the current Database instance
-     */
-    public function groupStart($type = '', $andOr = ' AND'){
-      if (empty($this->where)){
-        $this->where = $type . ' (';
-      }
-      else{
-          if(substr($this->where, -1) == '('){
-            $this->where .= $type . ' (';
-          }
-          else{
-          	$this->where .= $andOr . ' ' . $type . ' (';
-          }
-      }
-      return $this;
-    }
-
-    /**
-     * Set the opened parenthesis for the complex SQL query using NOT type
-     * @see  Database::groupStart()
-     * @return object        the current Database instance
-     */
-    public function notGroupStart(){
-      return $this->groupStart('NOT');
-    }
-
-    /**
-     * Set the opened parenthesis for the complex SQL query using OR for separator
-     * @see  Database::groupStart()
-     * @return object        the current Database instance
-     */
-    public function orGroupStart(){
-      return $this->groupStart('', ' OR');
-    }
-
-     /**
-     * Set the opened parenthesis for the complex SQL query using OR for separator and NOT for type
-     * @see  Database::groupStart()
-     * @return object        the current Database instance
-     */
-    public function orNotGroupStart(){
-      return $this->groupStart('NOT', ' OR');
-    }
-
-    /**
-     * Close the parenthesis for the grouped SQL
-     * @return object        the current Database instance
-     */
-    public function groupEnd(){
-      $this->where .= ')';
-      return $this;
-    }
-
-    /**
-     * Set the SQL WHERE CLAUSE statment for IN
-     * @param  string  $field  the field name for IN statment
-     * @param  array   $keys   the list of values used
-     * @param  string  $type   the condition separator type (NOT)
-     * @param  string  $andOr the multiple conditions separator (OR, AND)
-     * @param  boolean $escape whether to escape or not the values
-     * @return object        the current Database instance
-     */
-    public function in($field, array $keys, $type = '', $andOr = 'AND', $escape = true){
-      $_keys = array();
-      foreach ($keys as $k => $v){
-        if(is_null($v)){
-          $v = '';
-        }
-        $_keys[] = (is_numeric($v) ? $v : ($escape ? $this->escape($v) : $v));
-      }
-      $keys = implode(', ', $_keys);
-      $whereStr = $field . ' ' . $type . ' IN (' . $keys . ')';
-      $this->setWhereStr($whereStr, $andOr);
-      return $this;
-    }
-
-    /**
-     * Set the SQL WHERE CLAUSE statment for NOT IN with AND separator
-     * @see  Database::in()
-     * @return object        the current Database instance
-     */
-    public function notIn($field, array $keys, $escape = true){
-      return $this->in($field, $keys, 'NOT ', 'AND', $escape);
-    }
-
-    /**
-     * Set the SQL WHERE CLAUSE statment for IN with OR separator
-     * @see  Database::in()
-     * @return object        the current Database instance
-     */
-    public function orIn($field, array $keys, $escape = true){
-      return $this->in($field, $keys, '', 'OR', $escape);
-    }
-
-    /**
-     * Set the SQL WHERE CLAUSE statment for NOT IN with OR separator
-     * @see  Database::in()
-     * @return object        the current Database instance
-     */
-    public function orNotIn($field, array $keys, $escape = true){
-      return $this->in($field, $keys, 'NOT ', 'OR', $escape);
-    }
-
-    /**
-     * Set the SQL WHERE CLAUSE statment for BETWEEN
-     * @param  string  $field  the field used for the BETWEEN statment
-     * @param  mixed  $value1 the BETWEEN begin value
-     * @param  mixed  $value2 the BETWEEN end value
-     * @param  string  $type   the condition separator type (NOT)
-     * @param  string  $andOr the multiple conditions separator (OR, AND)
-     * @param  boolean $escape whether to escape or not the values
-     * @return object        the current Database instance
-     */
-    public function between($field, $value1, $value2, $type = '', $andOr = 'AND', $escape = true){
-      if(is_null($value1)){
-        $value1 = '';
-      }
-      if(is_null($value2)){
-        $value2 = '';
-      }
-      $whereStr = $field . ' ' . $type . ' BETWEEN ' . ($escape ? $this->escape($value1) : $value1) . ' AND ' . ($escape ? $this->escape($value2) : $value2);
-      $this->setWhereStr($whereStr, $andOr);
-      return $this;
-    }
-
-    /**
-     * Set the SQL WHERE CLAUSE statment for BETWEEN with NOT type and AND separator
-     * @see  Database::between()
-     * @return object        the current Database instance
-     */
-    public function notBetween($field, $value1, $value2, $escape = true){
-      return $this->between($field, $value1, $value2, 'NOT ', 'AND', $escape);
-    }
-
-    /**
-     * Set the SQL WHERE CLAUSE statment for BETWEEN with OR separator
-     * @see  Database::between()
-     * @return object        the current Database instance
-     */
-    public function orBetween($field, $value1, $value2, $escape = true){
-      return $this->between($field, $value1, $value2, '', 'OR', $escape);
-    }
-
-    /**
-     * Set the SQL WHERE CLAUSE statment for BETWEEN with NOT type and OR separator
-     * @see  Database::between()
-     * @return object        the current Database instance
-     */
-    public function orNotBetween($field, $value1, $value2, $escape = true){
-      return $this->between($field, $value1, $value2, 'NOT ', 'OR', $escape);
-    }
-
-    /**
-     * Set the SQL WHERE CLAUSE statment for LIKE
-     * @param  string  $field  the field name used in LIKE statment
-     * @param  string  $data   the LIKE value for this field including the '%', and '_' part
-     * @param  string  $type   the condition separator type (NOT)
-     * @param  string  $andOr the multiple conditions separator (OR, AND)
-     * @param  boolean $escape whether to escape or not the values
-     * @return object        the current Database instance
-     */
-    public function like($field, $data, $type = '', $andOr = 'AND', $escape = true){
-      if(empty($data)){
-        $data = '';
-      }
-      $like = $escape ? $this->escape($data) : $data;
-      if (empty($this->where)){
-        $this->where = $field . ' ' . $type . 'LIKE ' . $like;
-      }
-      else{
-        if(substr($this->where, -1) == '('){
-          $this->where = $this->where . ' ' . $field . ' ' . $type . 'LIKE ' . $like;
-        }
-        else{
-          $this->where = $this->where . ' '.$andOr.' ' . $field . ' ' . $type . 'LIKE ' . $like;
-        }
-      }
-      return $this;
-    }
-
-    /**
-     * Set the SQL WHERE CLAUSE statment for LIKE with OR separator
-     * @see  Database::like()
-     * @return object        the current Database instance
-     */
-    public function orLike($field, $data, $escape = true){
-      return $this->like($field, $data, '', 'OR', $escape);
-    }
-
-    /**
-     * Set the SQL WHERE CLAUSE statment for LIKE with NOT type and AND separator
-     * @see  Database::like()
-     * @return object        the current Database instance
-     */
-    public function notLike($field, $data, $escape = true){
-      return $this->like($field, $data, 'NOT ', 'AND', $escape);
-    }
-
-    /**
-     * Set the SQL WHERE CLAUSE statment for LIKE with NOT type and OR separator
-     * @see  Database::like()
-     * @return object        the current Database instance
-     */
-    public function orNotLike($field, $data, $escape = true){
-      return $this->like($field, $data, 'NOT ', 'OR', $escape);
-    }
-
-    /**
-     * Set the SQL LIMIT statment
-     * @param  int $limit    the limit offset. If $limitEnd is null this will be the limit count
-     * like LIMIT n;
-     * @param  int $limitEnd the limit count
-     * @return object        the current Database instance
-     */
-    public function limit($limit, $limitEnd = null){
-      if(empty($limit)){
-        return;
-      }
-      if (! is_null($limitEnd)){
-        $this->limit = $limit . ', ' . $limitEnd;
-      }
-      else{
-        $this->limit = $limit;
-      }
-      return $this;
-    }
-
-    /**
-     * Set the SQL ORDER BY CLAUSE statment
-     * @param  string $orderBy   the field name used for order
-     * @param  string $orderDir the order direction (ASC or DESC)
-     * @return object        the current Database instance
-     */
-    public function orderBy($orderBy, $orderDir = ' ASC'){
-      if (! empty($orderDir)){
-        $this->orderBy = ! $this->orderBy ? ($orderBy . ' ' . strtoupper($orderDir)) : $this->orderBy . ', ' . $orderBy . ' ' . strtoupper($orderDir);
-      }
-      else{
-        if(stristr($orderBy, ' ') || $orderBy == 'rand()'){
-          $this->orderBy = ! $this->orderBy ? $orderBy : $this->orderBy . ', ' . $orderBy;
-        }
-        else{
-          $this->orderBy = ! $this->orderBy ? ($orderBy . ' ASC') : $this->orderBy . ', ' . ($orderBy . ' ASC');
-        }
-      }
-      return $this;
-    }
-
-    /**
-     * Set the SQL GROUP BY CLAUSE statment
-     * @param  string|array $field the field name used or array of field list
-     * @return object        the current Database instance
-     */
-    public function groupBy($field){
-      if(is_array($field)){
-        $this->groupBy = implode(', ', $field);
-      }
-      else{
-        $this->groupBy = $field;
-      }
-      return $this;
-    }
-
-    /**
-     * Set the SQL HAVING CLAUSE statment
-     * @param  string  $field  the field name used for HAVING statment
-     * @param  string|array  $op     the operator used or array
-     * @param  mixed  $val    the value for HAVING comparaison
-     * @param  boolean $escape whether to escape or not the values
-     * @return object        the current Database instance
-     */
-    public function having($field, $op = null, $val = null, $escape = true){
-      if(is_array($op)){
-        $x = explode('?', $field);
-        $w = '';
-        foreach($x as $k => $v){
-  	      if(!empty($v)){
-            if(isset($op[$k]) && is_null($op[$k])){
-              $op[$k] = '';
-            }
-  	      	$w .= $v . (isset($op[$k]) ? ($escape ? $this->escape($op[$k]) : $op[$k]) : '');
-  	      }
-      	}
-        $this->having = $w;
-      }
-      else if (! in_array($op, $this->operatorList)){
-        if(is_null($op)){
-          $op = '';
-        }
-        $this->having = $field . ' > ' . ($escape ? $this->escape($op) : $op);
-      }
-      else{
-        if(is_null($val)){
-          $val = '';
-        }
-        $this->having = $field . ' ' . $op . ' ' . ($escape ? $this->escape($val) : $val);
-      }
-      return $this;
-    }
-
-    /**
-     * Return the number of rows returned by the current query
-     * @return int
-     */
-    public function numRows(){
-      return $this->numRows;
-    }
-
-    /**
-     * Return the last insert id value
-     * @return mixed
-     */
-    public function insertId(){
-      return $this->insertId;
-    }
-
-    /**
-     * Show an error got from the current query (SQL command synthax error, database driver returned error, etc.)
-     */
-    public function error(){
+	/**
+	 * Set the SQL WHERE CLAUSE statment
+	 * @param  string|array  $where the where field or array of field list
+	 * @param  array|string  $op     the condition operator. If is null the default will be "="
+	 * @param  mixed  $val    the where value
+	 * @param  string  $type   the type used for this where clause (NOT, etc.)
+	 * @param  string  $andOr the separator type used 'AND', 'OR', etc.
+	 * @param  boolean $escape whether to escape or not the $val
+	 * @return object        the current Database instance
+	 */
+	public function where($where, $op = null, $val = null, $type = '', $andOr = 'AND', $escape = true){
+	  $whereStr = '';
+	  if (is_array($where)){
+		$whereStr = $this->getWhereStrIfIsArray($where, $type, $andOr, $escape);
+	  }
+	  else{
+		if(is_array($op)){
+		  $whereStr = $this->getWhereStrIfOperatorIsArray($where, $op, $type, $escape);
+		} else {
+		  $whereStr = $this->getWhereStrForOperator($where, $op, $val, $type, $escape = true);
+		}
+	  }
+	  $this->setWhereStr($whereStr, $andOr);
+	  return $this;
+	}
+
+	/**
+	 * Set the SQL WHERE CLAUSE statment using OR
+	 * @see  Database::where()
+	 * @return object        the current Database instance
+	 */
+	public function orWhere($where, $op = null, $val = null, $escape = true){
+	  return $this->where($where, $op, $val, '', 'OR', $escape);
+	}
+
+
+	/**
+	 * Set the SQL WHERE CLAUSE statment using AND and NOT
+	 * @see  Database::where()
+	 * @return object        the current Database instance
+	 */
+	public function notWhere($where, $op = null, $val = null, $escape = true){
+	  return $this->where($where, $op, $val, 'NOT ', 'AND', $escape);
+	}
+
+	/**
+	 * Set the SQL WHERE CLAUSE statment using OR and NOT
+	 * @see  Database::where()
+	 * @return object        the current Database instance
+	 */
+	public function orNotWhere($where, $op = null, $val = null, $escape = true){
+		return $this->where($where, $op, $val, 'NOT ', 'OR', $escape);
+	}
+
+	/**
+	 * Set the opened parenthesis for the complex SQL query
+	 * @param  string $type   the type of this grouped (NOT, etc.)
+	 * @param  string $andOr the multiple conditions separator (AND, OR, etc.)
+	 * @return object        the current Database instance
+	 */
+	public function groupStart($type = '', $andOr = ' AND'){
+	  if (empty($this->where)){
+		$this->where = $type . ' (';
+	  }
+	  else{
+		  if(substr($this->where, -1) == '('){
+			$this->where .= $type . ' (';
+		  }
+		  else{
+		  	$this->where .= $andOr . ' ' . $type . ' (';
+		  }
+	  }
+	  return $this;
+	}
+
+	/**
+	 * Set the opened parenthesis for the complex SQL query using NOT type
+	 * @see  Database::groupStart()
+	 * @return object        the current Database instance
+	 */
+	public function notGroupStart(){
+	  return $this->groupStart('NOT');
+	}
+
+	/**
+	 * Set the opened parenthesis for the complex SQL query using OR for separator
+	 * @see  Database::groupStart()
+	 * @return object        the current Database instance
+	 */
+	public function orGroupStart(){
+	  return $this->groupStart('', ' OR');
+	}
+
+	 /**
+	  * Set the opened parenthesis for the complex SQL query using OR for separator and NOT for type
+	  * @see  Database::groupStart()
+	  * @return object        the current Database instance
+	  */
+	public function orNotGroupStart(){
+	  return $this->groupStart('NOT', ' OR');
+	}
+
+	/**
+	 * Close the parenthesis for the grouped SQL
+	 * @return object        the current Database instance
+	 */
+	public function groupEnd(){
+	  $this->where .= ')';
+	  return $this;
+	}
+
+	/**
+	 * Set the SQL WHERE CLAUSE statment for IN
+	 * @param  string  $field  the field name for IN statment
+	 * @param  array   $keys   the list of values used
+	 * @param  string  $type   the condition separator type (NOT)
+	 * @param  string  $andOr the multiple conditions separator (OR, AND)
+	 * @param  boolean $escape whether to escape or not the values
+	 * @return object        the current Database instance
+	 */
+	public function in($field, array $keys, $type = '', $andOr = 'AND', $escape = true){
+	  $_keys = array();
+	  foreach ($keys as $k => $v){
+		if(is_null($v)){
+		  $v = '';
+		}
+		$_keys[] = (is_numeric($v) ? $v : ($escape ? $this->escape($v) : $v));
+	  }
+	  $keys = implode(', ', $_keys);
+	  $whereStr = $field . ' ' . $type . ' IN (' . $keys . ')';
+	  $this->setWhereStr($whereStr, $andOr);
+	  return $this;
+	}
+
+	/**
+	 * Set the SQL WHERE CLAUSE statment for NOT IN with AND separator
+	 * @see  Database::in()
+	 * @return object        the current Database instance
+	 */
+	public function notIn($field, array $keys, $escape = true){
+	  return $this->in($field, $keys, 'NOT ', 'AND', $escape);
+	}
+
+	/**
+	 * Set the SQL WHERE CLAUSE statment for IN with OR separator
+	 * @see  Database::in()
+	 * @return object        the current Database instance
+	 */
+	public function orIn($field, array $keys, $escape = true){
+	  return $this->in($field, $keys, '', 'OR', $escape);
+	}
+
+	/**
+	 * Set the SQL WHERE CLAUSE statment for NOT IN with OR separator
+	 * @see  Database::in()
+	 * @return object        the current Database instance
+	 */
+	public function orNotIn($field, array $keys, $escape = true){
+	  return $this->in($field, $keys, 'NOT ', 'OR', $escape);
+	}
+
+	/**
+	 * Set the SQL WHERE CLAUSE statment for BETWEEN
+	 * @param  string  $field  the field used for the BETWEEN statment
+	 * @param  mixed  $value1 the BETWEEN begin value
+	 * @param  mixed  $value2 the BETWEEN end value
+	 * @param  string  $type   the condition separator type (NOT)
+	 * @param  string  $andOr the multiple conditions separator (OR, AND)
+	 * @param  boolean $escape whether to escape or not the values
+	 * @return object        the current Database instance
+	 */
+	public function between($field, $value1, $value2, $type = '', $andOr = 'AND', $escape = true){
+	  if(is_null($value1)){
+		$value1 = '';
+	  }
+	  if(is_null($value2)){
+		$value2 = '';
+	  }
+	  $whereStr = $field . ' ' . $type . ' BETWEEN ' . ($escape ? $this->escape($value1) : $value1) . ' AND ' . ($escape ? $this->escape($value2) : $value2);
+	  $this->setWhereStr($whereStr, $andOr);
+	  return $this;
+	}
+
+	/**
+	 * Set the SQL WHERE CLAUSE statment for BETWEEN with NOT type and AND separator
+	 * @see  Database::between()
+	 * @return object        the current Database instance
+	 */
+	public function notBetween($field, $value1, $value2, $escape = true){
+	  return $this->between($field, $value1, $value2, 'NOT ', 'AND', $escape);
+	}
+
+	/**
+	 * Set the SQL WHERE CLAUSE statment for BETWEEN with OR separator
+	 * @see  Database::between()
+	 * @return object        the current Database instance
+	 */
+	public function orBetween($field, $value1, $value2, $escape = true){
+	  return $this->between($field, $value1, $value2, '', 'OR', $escape);
+	}
+
+	/**
+	 * Set the SQL WHERE CLAUSE statment for BETWEEN with NOT type and OR separator
+	 * @see  Database::between()
+	 * @return object        the current Database instance
+	 */
+	public function orNotBetween($field, $value1, $value2, $escape = true){
+	  return $this->between($field, $value1, $value2, 'NOT ', 'OR', $escape);
+	}
+
+	/**
+	 * Set the SQL WHERE CLAUSE statment for LIKE
+	 * @param  string  $field  the field name used in LIKE statment
+	 * @param  string  $data   the LIKE value for this field including the '%', and '_' part
+	 * @param  string  $type   the condition separator type (NOT)
+	 * @param  string  $andOr the multiple conditions separator (OR, AND)
+	 * @param  boolean $escape whether to escape or not the values
+	 * @return object        the current Database instance
+	 */
+	public function like($field, $data, $type = '', $andOr = 'AND', $escape = true){
+	  if(empty($data)){
+		$data = '';
+	  }
+	  $like = $escape ? $this->escape($data) : $data;
+	  if (empty($this->where)){
+		$this->where = $field . ' ' . $type . 'LIKE ' . $like;
+	  }
+	  else{
+		if(substr($this->where, -1) == '('){
+		  $this->where = $this->where . ' ' . $field . ' ' . $type . 'LIKE ' . $like;
+		}
+		else{
+		  $this->where = $this->where . ' '.$andOr.' ' . $field . ' ' . $type . 'LIKE ' . $like;
+		}
+	  }
+	  return $this;
+	}
+
+	/**
+	 * Set the SQL WHERE CLAUSE statment for LIKE with OR separator
+	 * @see  Database::like()
+	 * @return object        the current Database instance
+	 */
+	public function orLike($field, $data, $escape = true){
+	  return $this->like($field, $data, '', 'OR', $escape);
+	}
+
+	/**
+	 * Set the SQL WHERE CLAUSE statment for LIKE with NOT type and AND separator
+	 * @see  Database::like()
+	 * @return object        the current Database instance
+	 */
+	public function notLike($field, $data, $escape = true){
+	  return $this->like($field, $data, 'NOT ', 'AND', $escape);
+	}
+
+	/**
+	 * Set the SQL WHERE CLAUSE statment for LIKE with NOT type and OR separator
+	 * @see  Database::like()
+	 * @return object        the current Database instance
+	 */
+	public function orNotLike($field, $data, $escape = true){
+	  return $this->like($field, $data, 'NOT ', 'OR', $escape);
+	}
+
+	/**
+	 * Set the SQL LIMIT statment
+	 * @param  int $limit    the limit offset. If $limitEnd is null this will be the limit count
+	 * like LIMIT n;
+	 * @param  int $limitEnd the limit count
+	 * @return object        the current Database instance
+	 */
+	public function limit($limit, $limitEnd = null){
+	  if(empty($limit)){
+		return;
+	  }
+	  if (! is_null($limitEnd)){
+		$this->limit = $limit . ', ' . $limitEnd;
+	  }
+	  else{
+		$this->limit = $limit;
+	  }
+	  return $this;
+	}
+
+	/**
+	 * Set the SQL ORDER BY CLAUSE statment
+	 * @param  string $orderBy   the field name used for order
+	 * @param  string $orderDir the order direction (ASC or DESC)
+	 * @return object        the current Database instance
+	 */
+	public function orderBy($orderBy, $orderDir = ' ASC'){
+	  if (! empty($orderDir)){
+		$this->orderBy = ! $this->orderBy ? ($orderBy . ' ' . strtoupper($orderDir)) : $this->orderBy . ', ' . $orderBy . ' ' . strtoupper($orderDir);
+	  }
+	  else{
+		if(stristr($orderBy, ' ') || $orderBy == 'rand()'){
+		  $this->orderBy = ! $this->orderBy ? $orderBy : $this->orderBy . ', ' . $orderBy;
+		}
+		else{
+		  $this->orderBy = ! $this->orderBy ? ($orderBy . ' ASC') : $this->orderBy . ', ' . ($orderBy . ' ASC');
+		}
+	  }
+	  return $this;
+	}
+
+	/**
+	 * Set the SQL GROUP BY CLAUSE statment
+	 * @param  string|array $field the field name used or array of field list
+	 * @return object        the current Database instance
+	 */
+	public function groupBy($field){
+	  if(is_array($field)){
+		$this->groupBy = implode(', ', $field);
+	  }
+	  else{
+		$this->groupBy = $field;
+	  }
+	  return $this;
+	}
+
+	/**
+	 * Set the SQL HAVING CLAUSE statment
+	 * @param  string  $field  the field name used for HAVING statment
+	 * @param  string|array  $op     the operator used or array
+	 * @param  mixed  $val    the value for HAVING comparaison
+	 * @param  boolean $escape whether to escape or not the values
+	 * @return object        the current Database instance
+	 */
+	public function having($field, $op = null, $val = null, $escape = true){
+	  if(is_array($op)){
+		$x = explode('?', $field);
+		$w = '';
+		foreach($x as $k => $v){
+  		  if(!empty($v)){
+			if(isset($op[$k]) && is_null($op[$k])){
+			  $op[$k] = '';
+			}
+  		  	$w .= $v . (isset($op[$k]) ? ($escape ? $this->escape($op[$k]) : $op[$k]) : '');
+  		  }
+	  	}
+		$this->having = $w;
+	  }
+	  else if (! in_array($op, $this->operatorList)){
+		if(is_null($op)){
+		  $op = '';
+		}
+		$this->having = $field . ' > ' . ($escape ? $this->escape($op) : $op);
+	  }
+	  else{
+		if(is_null($val)){
+		  $val = '';
+		}
+		$this->having = $field . ' ' . $op . ' ' . ($escape ? $this->escape($val) : $val);
+	  }
+	  return $this;
+	}
+
+	/**
+	 * Return the number of rows returned by the current query
+	 * @return int
+	 */
+	public function numRows(){
+	  return $this->numRows;
+	}
+
+	/**
+	 * Return the last insert id value
+	 * @return mixed
+	 */
+	public function insertId(){
+	  return $this->insertId;
+	}
+
+	/**
+	 * Show an error got from the current query (SQL command synthax error, database driver returned error, etc.)
+	 */
+	public function error(){
   		if($this->error){
   			show_error('Query: "' . $this->query . '" Error: ' . $this->error, 'Database Error');
   		}
-    }
-
-    /**
-     * Get the result of one record rows returned by the current query
-     * @param  boolean $returnSQLQueryOrResultType if is boolean and true will return the SQL query string.
-     * If is string will determine the result type "array" or "object"
-     * @return mixed       the query SQL string or the record result
-     */
-    public function get($returnSQLQueryOrResultType = false){
-      $this->limit = 1;
-      $query = $this->getAll(true);
-      if($returnSQLQueryOrResultType === true){
-        return $query;
-      }
-      else{
-        return $this->query( $query, false, (($returnSQLQueryOrResultType == 'array') ? true : false) );
-      }
-    }
-
-    /**
-     * Get the result of record rows list returned by the current query
-     * @param  boolean $returnSQLQueryOrResultType if is boolean and true will return the SQL query string.
-     * If is string will determine the result type "array" or "object"
-     * @return mixed       the query SQL string or the record result
-     */
-    public function getAll($returnSQLQueryOrResultType = false){
-      $query = 'SELECT ' . $this->select . ' FROM ' . $this->from;
-      if (! empty($this->join)){
-        $query .= $this->join;
-      }
+	}
+
+	/**
+	 * Get the result of one record rows returned by the current query
+	 * @param  boolean $returnSQLQueryOrResultType if is boolean and true will return the SQL query string.
+	 * If is string will determine the result type "array" or "object"
+	 * @return mixed       the query SQL string or the record result
+	 */
+	public function get($returnSQLQueryOrResultType = false){
+	  $this->limit = 1;
+	  $query = $this->getAll(true);
+	  if($returnSQLQueryOrResultType === true){
+		return $query;
+	  }
+	  else{
+		return $this->query( $query, false, (($returnSQLQueryOrResultType == 'array') ? true : false) );
+	  }
+	}
+
+	/**
+	 * Get the result of record rows list returned by the current query
+	 * @param  boolean $returnSQLQueryOrResultType if is boolean and true will return the SQL query string.
+	 * If is string will determine the result type "array" or "object"
+	 * @return mixed       the query SQL string or the record result
+	 */
+	public function getAll($returnSQLQueryOrResultType = false){
+	  $query = 'SELECT ' . $this->select . ' FROM ' . $this->from;
+	  if (! empty($this->join)){
+		$query .= $this->join;
+	  }
 	  
-      if (! empty($this->where)){
-        $query .= ' WHERE ' . $this->where;
-      }
+	  if (! empty($this->where)){
+		$query .= ' WHERE ' . $this->where;
+	  }
 
-      if (! empty($this->groupBy)){
-        $query .= ' GROUP BY ' . $this->groupBy;
-      }
+	  if (! empty($this->groupBy)){
+		$query .= ' GROUP BY ' . $this->groupBy;
+	  }
 
-      if (! empty($this->having)){
-        $query .= ' HAVING ' . $this->having;
-      }
+	  if (! empty($this->having)){
+		$query .= ' HAVING ' . $this->having;
+	  }
 
-      if (! empty($this->orderBy)){
-          $query .= ' ORDER BY ' . $this->orderBy;
-      }
+	  if (! empty($this->orderBy)){
+		  $query .= ' ORDER BY ' . $this->orderBy;
+	  }
 
-      if(! empty($this->limit)){
-      	$query .= ' LIMIT ' . $this->limit;
-      }
+	  if(! empty($this->limit)){
+	  	$query .= ' LIMIT ' . $this->limit;
+	  }
 	  
 	   if($returnSQLQueryOrResultType === true){
-      	return $query;
-      }
-      else{
-    	   return $this->query($query, true, (($returnSQLQueryOrResultType == 'array') ? true : false) );
-      }
-    }
-
-    /**
-     * Insert new record in the database
-     * @param  array   $data   the record data if is empty will use the $this->data array.
-     * @param  boolean $escape  whether to escape or not the values
-     * @return mixed          the insert id of the new record or null
-     */
-    public function insert($data = array(), $escape = true){
-      $column = array();
-      $val = array();
-      if(empty($data) && $this->getData()){
-        $columns = array_keys($this->getData());
-        $column = implode(',', $columns);
-        $val = implode(', ', $this->getData());
-      }
-      else{
-        $columns = array_keys($data);
-        $column = implode(',', $columns);
-        $val = implode(', ', ($escape ? array_map(array($this, 'escape'), $data) : $data));
-      }
-
-      $query = 'INSERT INTO ' . $this->from . ' (' . $column . ') VALUES (' . $val . ')';
-      $query = $this->query($query);
-
-      if ($query){
-        if(! $this->pdo){
-          $this->connect();
-        }
-        $this->insertId = $this->pdo->lastInsertId();
-        return $this->insertId();
-      }
-      else{
+	  	return $query;
+	  }
+	  else{
+		   return $this->query($query, true, (($returnSQLQueryOrResultType == 'array') ? true : false) );
+	  }
+	}
+
+	/**
+	 * Insert new record in the database
+	 * @param  array   $data   the record data if is empty will use the $this->data array.
+	 * @param  boolean $escape  whether to escape or not the values
+	 * @return mixed          the insert id of the new record or null
+	 */
+	public function insert($data = array(), $escape = true){
+	  $column = array();
+	  $val = array();
+	  if(empty($data) && $this->getData()){
+		$columns = array_keys($this->getData());
+		$column = implode(',', $columns);
+		$val = implode(', ', $this->getData());
+	  }
+	  else{
+		$columns = array_keys($data);
+		$column = implode(',', $columns);
+		$val = implode(', ', ($escape ? array_map(array($this, 'escape'), $data) : $data));
+	  }
+
+	  $query = 'INSERT INTO ' . $this->from . ' (' . $column . ') VALUES (' . $val . ')';
+	  $query = $this->query($query);
+
+	  if ($query){
+		if(! $this->pdo){
+		  $this->connect();
+		}
+		$this->insertId = $this->pdo->lastInsertId();
+		return $this->insertId();
+	  }
+	  else{
 		  return false;
-      }
-    }
-
-    /**
-     * Update record in the database
-     * @param  array   $data   the record data if is empty will use the $this->data array.
-     * @param  boolean $escape  whether to escape or not the values
-     * @return mixed          the update status
-     */
-    public function update($data = array(), $escape = true){
-      $query = 'UPDATE ' . $this->from . ' SET ';
-      $values = array();
-      if(empty($data) && $this->getData()){
-        foreach ($this->getData() as $column => $val){
-          $values[] = $column . ' = ' . $val;
-        }
-      }
-      else{
-        foreach ($data as $column => $val){
-          $values[] = $column . '=' . ($escape ? $this->escape($val) : $val);
-        }
-      }
-      $query .= implode(', ', $values);
-      if (! empty($this->where)){
-        $query .= ' WHERE ' . $this->where;
-      }
-
-      if (! empty($this->orderBy)){
-        $query .= ' ORDER BY ' . $this->orderBy;
-      }
-
-      if (! empty($this->limit)){
-        $query .= ' LIMIT ' . $this->limit;
-      }
-      return $this->query($query);
-    }
-
-    /**
-     * Delete the record in database
-     * @return mixed the delete status
-     */
-    public function delete(){
-    	$query = 'DELETE FROM ' . $this->from;
-
-    	if (! empty($this->where)){
-    		$query .= ' WHERE ' . $this->where;
-      	}
-
-    	if (! empty($this->orderBy)){
-    	  $query .= ' ORDER BY ' . $this->orderBy;
-      	}
-
-    	if (! empty($this->limit)){
-    		$query .= ' LIMIT ' . $this->limit;
-      	}
-
-    	if($query == 'DELETE FROM ' . $this->from && $this->config['driver'] != 'sqlite'){  
-    		$query = 'TRUNCATE TABLE ' . $this->from;
-      }
-    	return $this->query($query);
-    }
-
-    /**
-     * Execute an SQL query
-     * @param  string  $query the query SQL string
-     * @param  boolean $all   whether to return all record or not
-     * @param  boolean $array return the result as array
-     * @return mixed         the query result
-     */
-    public function query($query, $all = true, $array = false){
-      $this->reset();
-      if(is_array($all)){
-        $x = explode('?', $query);
-        $q = '';
-        foreach($x as $k => $v){
-          if(! empty($v)){
-            $q .= $v . (isset($all[$k]) ? $this->escape($all[$k]) : '');
-          }
-        }
-        $query = $q;
-      }
-
-      $this->query = preg_replace('/\s\s+|\t\t+/', ' ', trim($query));
-      $sqlSELECTQuery = stristr($this->query, 'SELECT');
-      $this->logger->info('Execute SQL query ['.$this->query.'], return type: ' . ($array?'ARRAY':'OBJECT') .', return as list: ' . ($all ? 'YES':'NO'));
-      //cache expire time
+	  }
+	}
+
+	/**
+	 * Update record in the database
+	 * @param  array   $data   the record data if is empty will use the $this->data array.
+	 * @param  boolean $escape  whether to escape or not the values
+	 * @return mixed          the update status
+	 */
+	public function update($data = array(), $escape = true){
+	  $query = 'UPDATE ' . $this->from . ' SET ';
+	  $values = array();
+	  if(empty($data) && $this->getData()){
+		foreach ($this->getData() as $column => $val){
+		  $values[] = $column . ' = ' . $val;
+		}
+	  }
+	  else{
+		foreach ($data as $column => $val){
+		  $values[] = $column . '=' . ($escape ? $this->escape($val) : $val);
+		}
+	  }
+	  $query .= implode(', ', $values);
+	  if (! empty($this->where)){
+		$query .= ' WHERE ' . $this->where;
+	  }
+
+	  if (! empty($this->orderBy)){
+		$query .= ' ORDER BY ' . $this->orderBy;
+	  }
+
+	  if (! empty($this->limit)){
+		$query .= ' LIMIT ' . $this->limit;
+	  }
+	  return $this->query($query);
+	}
+
+	/**
+	 * Delete the record in database
+	 * @return mixed the delete status
+	 */
+	public function delete(){
+		$query = 'DELETE FROM ' . $this->from;
+
+		if (! empty($this->where)){
+			$query .= ' WHERE ' . $this->where;
+	  	}
+
+		if (! empty($this->orderBy)){
+		  $query .= ' ORDER BY ' . $this->orderBy;
+	  	}
+
+		if (! empty($this->limit)){
+			$query .= ' LIMIT ' . $this->limit;
+	  	}
+
+		if($query == 'DELETE FROM ' . $this->from && $this->config['driver'] != 'sqlite'){  
+			$query = 'TRUNCATE TABLE ' . $this->from;
+	  }
+		return $this->query($query);
+	}
+
+	/**
+	 * Execute an SQL query
+	 * @param  string  $query the query SQL string
+	 * @param  boolean $all   whether to return all record or not
+	 * @param  boolean $array return the result as array
+	 * @return mixed         the query result
+	 */
+	public function query($query, $all = true, $array = false){
+	  $this->reset();
+	  if(is_array($all)){
+		$x = explode('?', $query);
+		$q = '';
+		foreach($x as $k => $v){
+		  if(! empty($v)){
+			$q .= $v . (isset($all[$k]) ? $this->escape($all[$k]) : '');
+		  }
+		}
+		$query = $q;
+	  }
+
+	  $this->query = preg_replace('/\s\s+|\t\t+/', ' ', trim($query));
+	  $sqlSELECTQuery = stristr($this->query, 'SELECT');
+	  $this->logger->info('Execute SQL query ['.$this->query.'], return type: ' . ($array?'ARRAY':'OBJECT') .', return as list: ' . ($all ? 'YES':'NO'));
+	  //cache expire time
   	  $cacheExpire = $this->temporaryCacheTtl;
   	  
   	  //return to the initial cache time
   	  $this->temporaryCacheTtl = $this->cacheTtl;
   	  
   	  //config for cache
-        $cacheEnable = get_config('cache_enable');
+		$cacheEnable = get_config('cache_enable');
   	  
   	  //the database cache content
-        $cacheContent = null;
+		$cacheContent = null;
   	  
   	  //this database query cache key
-        $cacheKey = null;
+		$cacheKey = null;
   	  
   	  //the cache manager instance
-      $cacheInstance = null;
+	  $cacheInstance = null;
   	  
   	  //if can use cache feature for this query
   	  $dbCacheStatus = $cacheEnable && $cacheExpire > 0;
 	  
-      if ($dbCacheStatus && $sqlSELECTQuery){
-        $this->logger->info('The cache is enabled for this query, try to get result from cache'); 
-        $cacheKey = md5($query . $all . $array);
-        if(is_object($this->cacheInstance)){
-          $cacheInstance = $this->cacheInstance;
-        }
-        else{
-          $obj = & get_instance();
-          $cacheInstance = $obj->cache;  
-        }
-        $cacheContent = $cacheInstance->get($cacheKey);        
-      }
-      else{
+	  if ($dbCacheStatus && $sqlSELECTQuery){
+		$this->logger->info('The cache is enabled for this query, try to get result from cache'); 
+		$cacheKey = md5($query . $all . $array);
+		if(is_object($this->cacheInstance)){
+		  $cacheInstance = $this->cacheInstance;
+		}
+		else{
+		  $obj = & get_instance();
+		  $cacheInstance = $obj->cache;  
+		}
+		$cacheContent = $cacheInstance->get($cacheKey);        
+	  }
+	  else{
 		  $this->logger->info('The cache is not enabled for this query or is not the SELECT query, get the result directly from real database');
-      }
+	  }
 
-      if(! $this->pdo){
-        $this->connect();
-      }
+	  if(! $this->pdo){
+		$this->connect();
+	  }
       
-      if (! $cacheContent && $sqlSELECTQuery){
-		    //for database query execution time
-        $benchmarkMarkerKey = md5($query . $all . $array);
-        $bench = null;
-        if(is_object($this->benchmarkInstance)){
-          $bench = $this->benchmarkInstance;
-        }
-        else{
-          $obj = & get_instance();
-          $bench = $obj->benchmark;  
-        }
-        $bench->mark('DATABASE_QUERY_START(' . $benchmarkMarkerKey . ')');
-        //Now execute the query
-		    $sqlQuery = $this->pdo->query($this->query);
+	  if (! $cacheContent && $sqlSELECTQuery){
+			//for database query execution time
+		$benchmarkMarkerKey = md5($query . $all . $array);
+		$bench = null;
+		if(is_object($this->benchmarkInstance)){
+		  $bench = $this->benchmarkInstance;
+		}
+		else{
+		  $obj = & get_instance();
+		  $bench = $obj->benchmark;  
+		}
+		$bench->mark('DATABASE_QUERY_START(' . $benchmarkMarkerKey . ')');
+		//Now execute the query
+			$sqlQuery = $this->pdo->query($this->query);
         
-    		//get response time for this query
-        $responseTime = $bench->elapsedTime('DATABASE_QUERY_START(' . $benchmarkMarkerKey . ')', 'DATABASE_QUERY_END(' . $benchmarkMarkerKey . ')');
-	     	//TODO use the configuration value for the high response time currently is 1 second
-        if($responseTime >= 1 ){
-            $this->logger->warning('High response time while processing database query [' .$query. ']. The response time is [' .$responseTime. '] sec.');
-        }
-        if ($sqlQuery){
-            //if need return all result like list of record
-            if ($all){
-    				    $this->result = ($array === false) ? $sqlQuery->fetchAll(PDO::FETCH_OBJ) : $sqlQuery->fetchAll(PDO::FETCH_ASSOC);
-    		    }
-            else{
-				        $this->result = ($array === false) ? $sqlQuery->fetch(PDO::FETCH_OBJ) : $sqlQuery->fetch(PDO::FETCH_ASSOC);
-            }
-            //Sqlite and pgsql always return 0 when using rowCount()
-            if(in_array($this->config['driver'], array('sqlite', 'pgsql'))){
-              $this->numRows = count($this->result);  
-            }
-            else{
-              $this->numRows = $sqlQuery->rowCount(); 
-            }
-
-          if ($dbCacheStatus && $sqlSELECTQuery){
-              $this->logger->info('Save the result for query [' .$this->query. '] into cache for future use');
-              $cacheInstance->set($cacheKey, $this->result, $cacheExpire);
-          }
-        }
-        else{
-          $error = $this->pdo->errorInfo();
-          $this->error = isset($error[2]) ? $error[2] : '';
-          $this->logger->fatal('The database query execution got error: ' . stringfy_vars($error));
-          $this->error();
-        }
-      }
-      else if ((! $cacheContent && !$sqlSELECTQuery) || ($cacheContent && !$sqlSELECTQuery)){
-    		$queryStr = $this->pdo->query($this->query);
-    		if($queryStr){
-          //Sqlite and pgsql always return 0 when using rowCount()
-          if(in_array($this->config['driver'], array('sqlite', 'pgsql'))){
-            $this->result = 1; //to test the result for the query like UPDATE, INSERT, DELETE
-            $this->numRows = 1;  
-          }
-          else{
-              $this->result = $queryStr->rowCount() >= 0; //to test the result for the query like UPDATE, INSERT, DELETE
-              $this->numRows = $queryStr->rowCount(); 
-          }
-    		}
-        if (! $this->result){
-          $error = $this->pdo->errorInfo();
-          $this->error = isset($error[2]) ? $error[2] : '';
-          $this->logger->fatal('The database query execution got error: ' . stringfy_vars($error));
-          $this->error();
-        }
-      }
-      else{
-        $this->logger->info('The result for query [' .$this->query. '] already cached use it');
-        $this->result = $cacheContent;
-	     	$this->numRows = count($this->result);
-      }
-      $this->queryCount++;
-      if(! $this->result){
-        $this->logger->info('No result where found for the query [' . $query . ']');
-      }
-      return $this->result;
-    }
-
-    /**
-     * Set database cache time to live
-     * @param integer $ttl the cache time to live in second
-     * @return object        the current Database instance
-     */
-    public function setCache($ttl = 0){
-      if($ttl > 0){
-        $this->cacheTtl = $ttl;
-		    $this->temporaryCacheTtl = $ttl;
-      }
-      return $this;
-    }
+			//get response time for this query
+		$responseTime = $bench->elapsedTime('DATABASE_QUERY_START(' . $benchmarkMarkerKey . ')', 'DATABASE_QUERY_END(' . $benchmarkMarkerKey . ')');
+		 	//TODO use the configuration value for the high response time currently is 1 second
+		if($responseTime >= 1 ){
+			$this->logger->warning('High response time while processing database query [' .$query. ']. The response time is [' .$responseTime. '] sec.');
+		}
+		if ($sqlQuery){
+			//if need return all result like list of record
+			if ($all){
+						$this->result = ($array === false) ? $sqlQuery->fetchAll(PDO::FETCH_OBJ) : $sqlQuery->fetchAll(PDO::FETCH_ASSOC);
+				}
+			else{
+						$this->result = ($array === false) ? $sqlQuery->fetch(PDO::FETCH_OBJ) : $sqlQuery->fetch(PDO::FETCH_ASSOC);
+			}
+			//Sqlite and pgsql always return 0 when using rowCount()
+			if(in_array($this->config['driver'], array('sqlite', 'pgsql'))){
+			  $this->numRows = count($this->result);  
+			}
+			else{
+			  $this->numRows = $sqlQuery->rowCount(); 
+			}
+
+		  if ($dbCacheStatus && $sqlSELECTQuery){
+			  $this->logger->info('Save the result for query [' .$this->query. '] into cache for future use');
+			  $cacheInstance->set($cacheKey, $this->result, $cacheExpire);
+		  }
+		}
+		else{
+		  $error = $this->pdo->errorInfo();
+		  $this->error = isset($error[2]) ? $error[2] : '';
+		  $this->logger->fatal('The database query execution got error: ' . stringfy_vars($error));
+		  $this->error();
+		}
+	  }
+	  else if ((! $cacheContent && !$sqlSELECTQuery) || ($cacheContent && !$sqlSELECTQuery)){
+			$queryStr = $this->pdo->query($this->query);
+			if($queryStr){
+		  //Sqlite and pgsql always return 0 when using rowCount()
+		  if(in_array($this->config['driver'], array('sqlite', 'pgsql'))){
+			$this->result = 1; //to test the result for the query like UPDATE, INSERT, DELETE
+			$this->numRows = 1;  
+		  }
+		  else{
+			  $this->result = $queryStr->rowCount() >= 0; //to test the result for the query like UPDATE, INSERT, DELETE
+			  $this->numRows = $queryStr->rowCount(); 
+		  }
+			}
+		if (! $this->result){
+		  $error = $this->pdo->errorInfo();
+		  $this->error = isset($error[2]) ? $error[2] : '';
+		  $this->logger->fatal('The database query execution got error: ' . stringfy_vars($error));
+		  $this->error();
+		}
+	  }
+	  else{
+		$this->logger->info('The result for query [' .$this->query. '] already cached use it');
+		$this->result = $cacheContent;
+		 	$this->numRows = count($this->result);
+	  }
+	  $this->queryCount++;
+	  if(! $this->result){
+		$this->logger->info('No result where found for the query [' . $query . ']');
+	  }
+	  return $this->result;
+	}
+
+	/**
+	 * Set database cache time to live
+	 * @param integer $ttl the cache time to live in second
+	 * @return object        the current Database instance
+	 */
+	public function setCache($ttl = 0){
+	  if($ttl > 0){
+		$this->cacheTtl = $ttl;
+			$this->temporaryCacheTtl = $ttl;
+	  }
+	  return $this;
+	}
 	
 	/**
 	 * Enabled cache temporary for the current query not globally	
@@ -1221,258 +1221,258 @@ 
 	 * @return object        the current Database instance
 	 */
 	public function cached($ttl = 0){
-      if($ttl > 0){
-        $this->temporaryCacheTtl = $ttl;
-      }
+	  if($ttl > 0){
+		$this->temporaryCacheTtl = $ttl;
+	  }
+	  return $this;
+	}
+
+	/**
+	 * Escape the data before execute query useful for security.
+	 * @param  mixed $data the data to be escaped
+	 * @return mixed       the data after escaped
+	 */
+	public function escape($data){
+	  if(is_null($data)){
+		return null;
+	  }
+	  if(! $this->pdo){
+		$this->connect();
+	  }
+	  return $this->pdo->quote(trim($data));
+	}
+
+	/**
+	 * Return the number query executed count for the current request
+	 * @return int
+	 */
+	public function queryCount(){
+	  return $this->queryCount;
+	}
+
+	/**
+	 * Return the current query SQL string
+	 * @return string
+	 */
+	public function getQuery(){
+	  return $this->query;
+	}
+
+	/**
+	 * Return the application database name
+	 * @return string
+	 */
+	public function getDatabaseName(){
+	  return $this->databaseName;
+	}
+
+	 /**
+	  * Return the database configuration
+	  * @return array
+	  */
+	public  function getDatabaseConfiguration(){
+	  return $this->config;
+	}
+
+	/**
+	 * set the database configuration
+	 * @param array $config the configuration
+	 */
+	public function setDatabaseConfiguration(array $config){
+	  $this->config = array_merge($this->config, $config);
+	  $this->prefix = $this->config['prefix'];
+	  $this->databaseName = $this->config['database'];
+	  $this->logger->info('The database configuration are listed below: ' . stringfy_vars(array_merge($this->config, array('password' => string_hidden($this->config['password'])))));
 	  return $this;
-    }
-
-    /**
-     * Escape the data before execute query useful for security.
-     * @param  mixed $data the data to be escaped
-     * @return mixed       the data after escaped
-     */
-    public function escape($data){
-      if(is_null($data)){
-        return null;
-      }
-      if(! $this->pdo){
-        $this->connect();
-      }
-      return $this->pdo->quote(trim($data));
-    }
-
-    /**
-     * Return the number query executed count for the current request
-     * @return int
-     */
-    public function queryCount(){
-      return $this->queryCount;
-    }
-
-    /**
-     * Return the current query SQL string
-     * @return string
-     */
-    public function getQuery(){
-      return $this->query;
-    }
-
-    /**
-     * Return the application database name
-     * @return string
-     */
-    public function getDatabaseName(){
-      return $this->databaseName;
-    }
-
-     /**
-     * Return the database configuration
-     * @return array
-     */
-    public  function getDatabaseConfiguration(){
-      return $this->config;
-    }
-
-    /**
-     * set the database configuration
-     * @param array $config the configuration
-     */
-    public function setDatabaseConfiguration(array $config){
-      $this->config = array_merge($this->config, $config);
-      $this->prefix = $this->config['prefix'];
-      $this->databaseName = $this->config['database'];
-      $this->logger->info('The database configuration are listed below: ' . stringfy_vars(array_merge($this->config, array('password' => string_hidden($this->config['password'])))));
-      return $this;
-    }
-
-    /**
-     * Return the PDO instance
-     * @return PDO
-     */
-    public function getPdo(){
-      return $this->pdo;
-    }
-
-    /**
-     * Set the PDO instance
-     * @param PDO $pdo the pdo object
-     */
-    public function setPdo(PDO $pdo){
-      $this->pdo = $pdo;
-      return $this;
-    }
-
-
-    /**
-     * Return the Log instance
-     * @return Log
-     */
-    public function getLogger(){
-      return $this->logger;
-    }
-
-    /**
-     * Set the log instance
-     * @param Log $logger the log object
-     */
-    public function setLogger($logger){
-      $this->logger = $logger;
-      return $this;
-    }
-
-     /**
-     * Return the cache instance
-     * @return CacheInterface
-     */
-    public function getCacheInstance(){
-      return $this->cacheInstance;
-    }
-
-    /**
-     * Set the cache instance
-     * @param CacheInterface $cache the cache object
-     */
-    public function setCacheInstance($cache){
-      $this->cacheInstance = $cache;
-      return $this;
-    }
-
-    /**
-     * Return the benchmark instance
-     * @return Benchmark
-     */
-    public function getBenchmark(){
-      return $this->benchmarkInstance;
-    }
-
-    /**
-     * Set the benchmark instance
-     * @param Benchmark $cache the cache object
-     */
-    public function setBenchmark($benchmark){
-      $this->benchmarkInstance = $benchmark;
-      return $this;
-    }
-
-    /**
-     * Return the data to be used for insert, update, etc.
-     * @return array
-     */
-    public function getData(){
-      return $this->data;
-    }
-
-    /**
-     * Set the data to be used for insert, update, etc.
-     * @param string $key the data key identified
-     * @param mixed $value the data value
-     * @param boolean $escape whether to escape or not the $value
-     * @return object        the current Database instance
-     */
-    public function setData($key, $value, $escape = true){
-      $this->data[$key] = $escape ? $this->escape($value) : $value;
-      return $this;
-    }
-
-    /**
-     * Set the Log instance using argument or create new instance
-     * @param object $logger the Log instance if not null
-     */
-    protected function setLoggerFromParamOrCreateNewInstance(Log $logger = null){
-      if($logger !== null){
-        $this->logger = $logger;
-      }
-      else{
-          $this->logger =& class_loader('Log', 'classes');
-          $this->logger->setLogger('Library::Database');
-      }
-    }
+	}
+
+	/**
+	 * Return the PDO instance
+	 * @return PDO
+	 */
+	public function getPdo(){
+	  return $this->pdo;
+	}
+
+	/**
+	 * Set the PDO instance
+	 * @param PDO $pdo the pdo object
+	 */
+	public function setPdo(PDO $pdo){
+	  $this->pdo = $pdo;
+	  return $this;
+	}
+
+
+	/**
+	 * Return the Log instance
+	 * @return Log
+	 */
+	public function getLogger(){
+	  return $this->logger;
+	}
+
+	/**
+	 * Set the log instance
+	 * @param Log $logger the log object
+	 */
+	public function setLogger($logger){
+	  $this->logger = $logger;
+	  return $this;
+	}
+
+	 /**
+	  * Return the cache instance
+	  * @return CacheInterface
+	  */
+	public function getCacheInstance(){
+	  return $this->cacheInstance;
+	}
+
+	/**
+	 * Set the cache instance
+	 * @param CacheInterface $cache the cache object
+	 */
+	public function setCacheInstance($cache){
+	  $this->cacheInstance = $cache;
+	  return $this;
+	}
+
+	/**
+	 * Return the benchmark instance
+	 * @return Benchmark
+	 */
+	public function getBenchmark(){
+	  return $this->benchmarkInstance;
+	}
+
+	/**
+	 * Set the benchmark instance
+	 * @param Benchmark $cache the cache object
+	 */
+	public function setBenchmark($benchmark){
+	  $this->benchmarkInstance = $benchmark;
+	  return $this;
+	}
+
+	/**
+	 * Return the data to be used for insert, update, etc.
+	 * @return array
+	 */
+	public function getData(){
+	  return $this->data;
+	}
+
+	/**
+	 * Set the data to be used for insert, update, etc.
+	 * @param string $key the data key identified
+	 * @param mixed $value the data value
+	 * @param boolean $escape whether to escape or not the $value
+	 * @return object        the current Database instance
+	 */
+	public function setData($key, $value, $escape = true){
+	  $this->data[$key] = $escape ? $this->escape($value) : $value;
+	  return $this;
+	}
+
+	/**
+	 * Set the Log instance using argument or create new instance
+	 * @param object $logger the Log instance if not null
+	 */
+	protected function setLoggerFromParamOrCreateNewInstance(Log $logger = null){
+	  if($logger !== null){
+		$this->logger = $logger;
+	  }
+	  else{
+		  $this->logger =& class_loader('Log', 'classes');
+		  $this->logger->setLogger('Library::Database');
+	  }
+	}
 
    /**
     * Setting the database configuration using the configuration file
     * @param array $overwriteConfig the additional configuration to overwrite with the existing one
     */
-    protected function setDatabaseConfigurationFromConfigFile(array $overwriteConfig = array()){
-        $db = array();
-        if(file_exists(CONFIG_PATH . 'database.php')){
-            //here don't use require_once because somewhere user can create database instance directly
-            require CONFIG_PATH . 'database.php';
-        }
+	protected function setDatabaseConfigurationFromConfigFile(array $overwriteConfig = array()){
+		$db = array();
+		if(file_exists(CONFIG_PATH . 'database.php')){
+			//here don't use require_once because somewhere user can create database instance directly
+			require CONFIG_PATH . 'database.php';
+		}
           
-        if(! empty($overwriteConfig)){
-          $db = array_merge($db, $overwriteConfig);
-        }
-        $config = array();
-        $config['driver']    = isset($db['driver']) ? $db['driver'] : 'mysql';
-        $config['username']  = isset($db['username']) ? $db['username'] : 'root';
-        $config['password']  = isset($db['password']) ? $db['password'] : '';
-        $config['database']  = isset($db['database']) ? $db['database'] : '';
-        $config['hostname']  = isset($db['hostname']) ? $db['hostname'] : 'localhost';
-        $config['charset']   = isset($db['charset']) ? $db['charset'] : 'utf8';
-        $config['collation'] = isset($db['collation']) ? $db['collation'] : 'utf8_general_ci';
-        $config['prefix']    = isset($db['prefix']) ? $db['prefix'] : '';
-        $port = '';
-        if(strstr($config['hostname'], ':')){
-          $p = explode(':', $config['hostname']);
-          $port = isset($p[1]) ? $p[1] : '';
-          $config['hostname'] = isset($p[0]) ? $p[0] : '';
-        }
-        $config['port']      = $port;
-        $this->setDatabaseConfiguration($config);  
-    }
-
-    /**
-     * This method is used to get the PDO DSN string using th configured driver
-     * @return string the DSN string
-     */
-    protected function getDsnFromDriver(){
-      $config = $this->getDatabaseConfiguration();
-      if(! empty($config)){
-            $driverDsnMap = array(
-                                    'mysql' => 'mysql:host=' . $config['hostname'] . ';' 
-                                                . (($config['port']) != '' ? 'port=' . $config['port'] . ';' : '') 
-                                                . 'dbname=' . $config['database'],
-                                    'pgsql' => 'pgsql:host=' . $config['hostname'] . ';' 
-                                                . (($config['port']) != '' ? 'port=' . $config['port'] . ';' : '')
-                                                . 'dbname=' . $config['database'],
-                                    'sqlite' => 'sqlite:' . $config['database'],
-                                    'oracle' => 'oci:dbname=' . $config['hostname'] 
-                                                . (($config['port']) != '' ? ':' . $config['port'] : '')
-                                                . '/' . $config['database']
-                                  );
-            return isset($driverDsnMap[$config['driver']]) ? $driverDsnMap[$config['driver']] : '';
-      } 
+		if(! empty($overwriteConfig)){
+		  $db = array_merge($db, $overwriteConfig);
+		}
+		$config = array();
+		$config['driver']    = isset($db['driver']) ? $db['driver'] : 'mysql';
+		$config['username']  = isset($db['username']) ? $db['username'] : 'root';
+		$config['password']  = isset($db['password']) ? $db['password'] : '';
+		$config['database']  = isset($db['database']) ? $db['database'] : '';
+		$config['hostname']  = isset($db['hostname']) ? $db['hostname'] : 'localhost';
+		$config['charset']   = isset($db['charset']) ? $db['charset'] : 'utf8';
+		$config['collation'] = isset($db['collation']) ? $db['collation'] : 'utf8_general_ci';
+		$config['prefix']    = isset($db['prefix']) ? $db['prefix'] : '';
+		$port = '';
+		if(strstr($config['hostname'], ':')){
+		  $p = explode(':', $config['hostname']);
+		  $port = isset($p[1]) ? $p[1] : '';
+		  $config['hostname'] = isset($p[0]) ? $p[0] : '';
+		}
+		$config['port']      = $port;
+		$this->setDatabaseConfiguration($config);  
+	}
+
+	/**
+	 * This method is used to get the PDO DSN string using th configured driver
+	 * @return string the DSN string
+	 */
+	protected function getDsnFromDriver(){
+	  $config = $this->getDatabaseConfiguration();
+	  if(! empty($config)){
+			$driverDsnMap = array(
+									'mysql' => 'mysql:host=' . $config['hostname'] . ';' 
+												. (($config['port']) != '' ? 'port=' . $config['port'] . ';' : '') 
+												. 'dbname=' . $config['database'],
+									'pgsql' => 'pgsql:host=' . $config['hostname'] . ';' 
+												. (($config['port']) != '' ? 'port=' . $config['port'] . ';' : '')
+												. 'dbname=' . $config['database'],
+									'sqlite' => 'sqlite:' . $config['database'],
+									'oracle' => 'oci:dbname=' . $config['hostname'] 
+												. (($config['port']) != '' ? ':' . $config['port'] : '')
+												. '/' . $config['database']
+								  );
+			return isset($driverDsnMap[$config['driver']]) ? $driverDsnMap[$config['driver']] : '';
+	  } 
                             
-      return null;
-    }
+	  return null;
+	}
 
 
   /**
    * Reset the database class attributs to the initail values before each query.
    */
   private function reset(){
-    $this->select   = '*';
-    $this->from     = null;
-    $this->where    = null;
-    $this->limit    = null;
-    $this->orderBy  = null;
-    $this->groupBy  = null;
-    $this->having   = null;
-    $this->join     = null;
-    $this->numRows  = 0;
-    $this->insertId = null;
-    $this->query    = null;
-    $this->error    = null;
-    $this->result   = array();
-    $this->data     = array();
+	$this->select   = '*';
+	$this->from     = null;
+	$this->where    = null;
+	$this->limit    = null;
+	$this->orderBy  = null;
+	$this->groupBy  = null;
+	$this->having   = null;
+	$this->join     = null;
+	$this->numRows  = 0;
+	$this->insertId = null;
+	$this->query    = null;
+	$this->error    = null;
+	$this->result   = array();
+	$this->data     = array();
   }
 
   /**
    * The class destructor
    */
   public function __destruct(){
-    $this->pdo = null;
+	$this->pdo = null;
   }
 
 }

core/classes/Controller.php

Indentation +6 added lines, -6 removed lines

@@ -22,7 +22,7 @@ 
 	 * You should have received a copy of the GNU General Public License
 	 * along with this program; if not, write to the Free Software
 	 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
-	*/
+	 */
 
 	class Controller{
 		
@@ -114,12 +114,12 @@ 
 		 */
 		protected function setLoggerFromParamOrCreateNewInstance(Log $logger = null){
 			if($logger !== null){
-	          $this->logger = $logger;
-	        }
-	        else{
-	            $this->logger =& class_loader('Log', 'classes');
+			  $this->logger = $logger;
+			}
+			else{
+				$this->logger =& class_loader('Log', 'classes');
 				$this->logger->setLogger('MainController');
-	        }
+			}
 		}
 
 		/**

core/libraries/FormValidation.php

Indentation +875 added lines, -875 removed lines

@@ -1,917 +1,917 @@
 <?php
-    defined('ROOT_PATH') || exit('Access denied');
-    /**
-     * TNH Framework
-     *
-     * A simple PHP framework using HMVC architecture
-     *
-     * This content is released under the GNU GPL License (GPL)
-     *
-     * Copyright (C) 2017 Tony NGUEREZA
-     *
-     * This program is free software; you can redistribute it and/or
-     * modify it under the terms of the GNU General Public License
-     * as published by the Free Software Foundation; either version 3
-     * of the License, or (at your option) any later version.
-     *
-     * This program is distributed in the hope that it will be useful,
-     * but WITHOUT ANY WARRANTY; without even the implied warranty of
-     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-     * GNU General Public License for more details.
-     *
-     * You should have received a copy of the GNU General Public License
-     * along with this program; if not, write to the Free Software
-     * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
-    */
-
-
-     class FormValidation{
+	defined('ROOT_PATH') || exit('Access denied');
+	/**
+	 * TNH Framework
+	 *
+	 * A simple PHP framework using HMVC architecture
+	 *
+	 * This content is released under the GNU GPL License (GPL)
+	 *
+	 * Copyright (C) 2017 Tony NGUEREZA
+	 *
+	 * This program is free software; you can redistribute it and/or
+	 * modify it under the terms of the GNU General Public License
+	 * as published by the Free Software Foundation; either version 3
+	 * of the License, or (at your option) any later version.
+	 *
+	 * This program is distributed in the hope that it will be useful,
+	 * but WITHOUT ANY WARRANTY; without even the implied warranty of
+	 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	 * GNU General Public License for more details.
+	 *
+	 * You should have received a copy of the GNU General Public License
+	 * along with this program; if not, write to the Free Software
+	 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+	 */
+
+
+	 class FormValidation{
 		 
-        /**
-         * The form validation status
-         * @var boolean
-         */
-        protected $_success  = false;
-
-        /**
-         * The list of errors messages
-         * @var array
-         */
-        protected $_errorsMessages = array();
+		/**
+		 * The form validation status
+		 * @var boolean
+		 */
+		protected $_success  = false;
+
+		/**
+		 * The list of errors messages
+		 * @var array
+		 */
+		protected $_errorsMessages = array();
         
-        // Array of rule sets, fieldName => PIPE seperated ruleString
-        protected $_rules             = array();
+		// Array of rule sets, fieldName => PIPE seperated ruleString
+		protected $_rules             = array();
         
-        // Array of errors, niceName => Error Message
-        protected $_errors             = array();
+		// Array of errors, niceName => Error Message
+		protected $_errors             = array();
         
-        // Array of post Key => Nice name labels
-        protected $_labels          = array();
+		// Array of post Key => Nice name labels
+		protected $_labels          = array();
         
-        /**
-         * The errors delimiters
-         * @var array
-         */
-        protected $_allErrorsDelimiter   = array('<div class="error">', '</div>');
-
-        /**
-         * The each error delimiter
-         * @var array
-         */
-        protected $_eachErrorDelimiter   = array('<p class="error">', '</p>');
+		/**
+		 * The errors delimiters
+		 * @var array
+		 */
+		protected $_allErrorsDelimiter   = array('<div class="error">', '</div>');
+
+		/**
+		 * The each error delimiter
+		 * @var array
+		 */
+		protected $_eachErrorDelimiter   = array('<p class="error">', '</p>');
         
 		/**
-         * Indicated if need force the validation to be failed
-         * @var boolean
-         */
-        protected $_forceFail            = false;
-
-        /**
-         * The list of the error messages overrides by the original
-         * @var array
-         */
-        protected $_errorPhraseOverrides = array();
-
-        /**
-         * The logger instance
-         * @var Log
-         */
-        private $logger;
-
-        /**
-         * The data to be validated, the default is to use $_POST
-         * @var array
-         */
-        private $data = array();
-
-        /**
-         * Whether to check the CSRF. This attribute is just a way to allow custom change of the 
+		 * Indicated if need force the validation to be failed
+		 * @var boolean
+		 */
+		protected $_forceFail            = false;
+
+		/**
+		 * The list of the error messages overrides by the original
+		 * @var array
+		 */
+		protected $_errorPhraseOverrides = array();
+
+		/**
+		 * The logger instance
+		 * @var Log
+		 */
+		private $logger;
+
+		/**
+		 * The data to be validated, the default is to use $_POST
+		 * @var array
+		 */
+		private $data = array();
+
+		/**
+		 * Whether to check the CSRF. This attribute is just a way to allow custom change of the 
 		 * CSRF global configuration
 		 *
-         * @var boolean
-         */
-        public $enableCsrfCheck = false;
-
-        /**
-         * Set all errors and rule sets empty, and sets success to false.
-         *
-         * @return void
-         */
-        public function __construct() {
-            $this->logger =& class_loader('Log', 'classes');
-            $this->logger->setLogger('Library::FormValidation');
+		 * @var boolean
+		 */
+		public $enableCsrfCheck = false;
+
+		/**
+		 * Set all errors and rule sets empty, and sets success to false.
+		 *
+		 * @return void
+		 */
+		public function __construct() {
+			$this->logger =& class_loader('Log', 'classes');
+			$this->logger->setLogger('Library::FormValidation');
            
 		   //Load form validation language message
-            Loader::lang('form_validation');
-            $obj = & get_instance();
-            $this->_errorsMessages  = array(
-                        'required'         => $obj->lang->get('fv_required'),
-                        'min_length'       => $obj->lang->get('fv_min_length'),
-                        'max_length'       => $obj->lang->get('fv_max_length'),
-                        'exact_length'     => $obj->lang->get('fv_exact_length'),
-                        'less_than'        => $obj->lang->get('fv_less_than'),
-                        'greater_than'     => $obj->lang->get('fv_greater_than'),
-                        'matches'          => $obj->lang->get('fv_matches'),
-                        'valid_email'      => $obj->lang->get('fv_valid_email'),
-                        'not_equal'        => array(
-                                                'post:key' => $obj->lang->get('fv_not_equal_post_key'),
-                                                'string'   => $obj->lang->get('fv_not_equal_string')
-                                            ),
-                        'depends'          => $obj->lang->get('fv_depends'),
-                        'is_unique'        => $obj->lang->get('fv_is_unique'),
-                        'is_unique_update' => $obj->lang->get('fv_is_unique_update'),
-                        'exists'           => $obj->lang->get('fv_exists'),
-                        'regex'            => $obj->lang->get('fv_regex'),
-                        'in_list'          => $obj->lang->get('fv_in_list'),
-                        'numeric'          => $obj->lang->get('fv_numeric'),
-                        'callback'         => $obj->lang->get('fv_callback'),
-                    );
-            $this->_resetValidation();
-            $this->setData($obj->request->post(null));
-        }
-
-        /**
-         * Reset the form validation instance
-         */
-        protected function _resetValidation() {
-            $this->_rules                = array();
-            $this->_labels               = array();
-            $this->_errorPhraseOverrides = array();
-            $this->_errors               = array();
-            $this->_success              = false;
-            $this->_forceFail            = false;
-            $this->data                  = array();
+			Loader::lang('form_validation');
+			$obj = & get_instance();
+			$this->_errorsMessages  = array(
+						'required'         => $obj->lang->get('fv_required'),
+						'min_length'       => $obj->lang->get('fv_min_length'),
+						'max_length'       => $obj->lang->get('fv_max_length'),
+						'exact_length'     => $obj->lang->get('fv_exact_length'),
+						'less_than'        => $obj->lang->get('fv_less_than'),
+						'greater_than'     => $obj->lang->get('fv_greater_than'),
+						'matches'          => $obj->lang->get('fv_matches'),
+						'valid_email'      => $obj->lang->get('fv_valid_email'),
+						'not_equal'        => array(
+												'post:key' => $obj->lang->get('fv_not_equal_post_key'),
+												'string'   => $obj->lang->get('fv_not_equal_string')
+											),
+						'depends'          => $obj->lang->get('fv_depends'),
+						'is_unique'        => $obj->lang->get('fv_is_unique'),
+						'is_unique_update' => $obj->lang->get('fv_is_unique_update'),
+						'exists'           => $obj->lang->get('fv_exists'),
+						'regex'            => $obj->lang->get('fv_regex'),
+						'in_list'          => $obj->lang->get('fv_in_list'),
+						'numeric'          => $obj->lang->get('fv_numeric'),
+						'callback'         => $obj->lang->get('fv_callback'),
+					);
+			$this->_resetValidation();
+			$this->setData($obj->request->post(null));
+		}
+
+		/**
+		 * Reset the form validation instance
+		 */
+		protected function _resetValidation() {
+			$this->_rules                = array();
+			$this->_labels               = array();
+			$this->_errorPhraseOverrides = array();
+			$this->_errors               = array();
+			$this->_success              = false;
+			$this->_forceFail            = false;
+			$this->data                  = array();
 			$this->enableCsrfCheck       = false;
-        }
+		}
 
-        /**
-         * Set the form validation data
-         * @param array $data the values to be validated
+		/**
+		 * Set the form validation data
+		 * @param array $data the values to be validated
 		 *
-         * @return FormValidation Current instance of object.
-         */
-        public function setData(array $data){
-            $this->logger->debug('Setting the form validation data, the values are: ' . stringfy_vars($data));
-            $this->data = $data;
+		 * @return FormValidation Current instance of object.
+		 */
+		public function setData(array $data){
+			$this->logger->debug('Setting the form validation data, the values are: ' . stringfy_vars($data));
+			$this->data = $data;
 			return $this;
-        }
-
-        /**
-         * Get the form validation data
-         * @return array the form validation data to be validated
-         */
-        public function getData(){
-            return $this->data;
-        }
-
-		/**
-		* Get the validation function name to validate a rule
-		*
-		* @return string the function name
-		*/
-        protected function _toCallCase($funcName, $prefix='_validate') {
-            $funcName = strtolower($funcName);
-            $finalFuncName = $prefix;
-            foreach (explode('_', $funcName) as $funcNamePart) {
-                $finalFuncName .= strtoupper($funcNamePart[0]) . substr($funcNamePart, 1);
-            }
-            return $finalFuncName;
-        }
-
-        /**
-         * Returns the boolean of the data status success. It goes by the simple
-         *
-         * @return boolean Whether or not the data validation has succeeded
-         */
-        public function isSuccess() {
-            return $this->_success;
-        }
-
-        /**
-         * Checks if the request method is POST or the Data to be validated is set
-         *
-         * @return boolean Whether or not the form has been submitted or the data is available for validation.
-         */
-        public function canDoValidation() {
-            return get_instance()->request->method() === 'POST' || ! empty($this->data);
-        }
-
-        /**
-         * Runs _run once POST data has been submitted or data is set manually.
-         *
-         * @return boolean
-         */
-        public function run() {
-            if ($this->canDoValidation()) {
-                $this->logger->info('The data to validate are listed below: ' . stringfy_vars($this->getData()));
-                $this->_run();
-            }
-            return $this->isSuccess();
-        }
-
-        /**
-         * Takes and trims each data, if it has any rules, we parse the rule string and run
-         * each rule against the data value. Sets _success to true if there are no errors
-         * afterwards.
-         */
-        protected function _run() {
-            if(get_instance()->request->method() == 'POST' || $this->enableCsrfCheck){
-                $this->logger->debug('Check if CSRF is enabled in configuration');
-                //first check for CSRF
-                if( get_config('csrf_enable', false) || $this->enableCsrfCheck){
-                     $this->logger->info('Check the CSRF value if is valid');
-                    if(! Security::validateCSRF()){
-                        show_error('Invalide data, Cross Site Request Forgery do his job, the data to validate is corrupted.');
-                    }
-                }
-                else{
-                    $this->logger->info('CSRF is not enabled in configuration or not set manully, no need to check it');
-                }
-            }
-            /////////////////////////////////////////////
-            $this->_forceFail = false;
-
-            foreach ($this->getData() as $inputName => $inputVal) {
-    			if(is_array($this->data[$inputName])){
-    				$this->data[$inputName] = array_map('trim', $this->data[$inputName]);
-    			}
-    			else{
-    				$this->data[$inputName] = trim($this->data[$inputName]);
-    			}
-
-                if (array_key_exists($inputName, $this->_rules)) {
-                    foreach ($this->_parseRuleString($this->_rules[$inputName]) as $eachRule) {
-                        $this->_validateRule($inputName, $this->data[$inputName], $eachRule);
-                    }
-                }
-            }
-
-            if (empty($this->_errors) && $this->_forceFail === false) {
-                $this->_success = true;
-            }
-        }
-
-        /**
-         * Adds a rule to a form data validation field.
-         *
-         * @param string $inputField Name of the field or the data key to add a rule to
-         * @param string $ruleSets PIPE seperated string of rules
-		 *
-         * @return FormValidation Current instance of object.
-         */
-        public function setRule($inputField, $inputLabel, $ruleSets) {
-            $this->_rules[$inputField] = $ruleSets;
-            $this->_labels[$inputField] = $inputLabel;
-            $this->logger->info('Set the field rule: name [' .$inputField. '], label [' .$inputLabel. '], rules [' .$ruleSets. ']');
-            return $this;
-        }
-
-        /**
-         * Takes an array of rules and uses setRule() to set them, accepts an array
-         * of rule names rather than a pipe-delimited string as well.
-         * @param array $ruleSets
+		}
+
+		/**
+		 * Get the form validation data
+		 * @return array the form validation data to be validated
+		 */
+		public function getData(){
+			return $this->data;
+		}
+
+		/**
+		 * Get the validation function name to validate a rule
+		 *
+		 * @return string the function name
+		 */
+		protected function _toCallCase($funcName, $prefix='_validate') {
+			$funcName = strtolower($funcName);
+			$finalFuncName = $prefix;
+			foreach (explode('_', $funcName) as $funcNamePart) {
+				$finalFuncName .= strtoupper($funcNamePart[0]) . substr($funcNamePart, 1);
+			}
+			return $finalFuncName;
+		}
+
+		/**
+		 * Returns the boolean of the data status success. It goes by the simple
+		 *
+		 * @return boolean Whether or not the data validation has succeeded
+		 */
+		public function isSuccess() {
+			return $this->_success;
+		}
+
+		/**
+		 * Checks if the request method is POST or the Data to be validated is set
+		 *
+		 * @return boolean Whether or not the form has been submitted or the data is available for validation.
+		 */
+		public function canDoValidation() {
+			return get_instance()->request->method() === 'POST' || ! empty($this->data);
+		}
+
+		/**
+		 * Runs _run once POST data has been submitted or data is set manually.
+		 *
+		 * @return boolean
+		 */
+		public function run() {
+			if ($this->canDoValidation()) {
+				$this->logger->info('The data to validate are listed below: ' . stringfy_vars($this->getData()));
+				$this->_run();
+			}
+			return $this->isSuccess();
+		}
+
+		/**
+		 * Takes and trims each data, if it has any rules, we parse the rule string and run
+		 * each rule against the data value. Sets _success to true if there are no errors
+		 * afterwards.
+		 */
+		protected function _run() {
+			if(get_instance()->request->method() == 'POST' || $this->enableCsrfCheck){
+				$this->logger->debug('Check if CSRF is enabled in configuration');
+				//first check for CSRF
+				if( get_config('csrf_enable', false) || $this->enableCsrfCheck){
+					 $this->logger->info('Check the CSRF value if is valid');
+					if(! Security::validateCSRF()){
+						show_error('Invalide data, Cross Site Request Forgery do his job, the data to validate is corrupted.');
+					}
+				}
+				else{
+					$this->logger->info('CSRF is not enabled in configuration or not set manully, no need to check it');
+				}
+			}
+			/////////////////////////////////////////////
+			$this->_forceFail = false;
+
+			foreach ($this->getData() as $inputName => $inputVal) {
+				if(is_array($this->data[$inputName])){
+					$this->data[$inputName] = array_map('trim', $this->data[$inputName]);
+				}
+				else{
+					$this->data[$inputName] = trim($this->data[$inputName]);
+				}
+
+				if (array_key_exists($inputName, $this->_rules)) {
+					foreach ($this->_parseRuleString($this->_rules[$inputName]) as $eachRule) {
+						$this->_validateRule($inputName, $this->data[$inputName], $eachRule);
+					}
+				}
+			}
+
+			if (empty($this->_errors) && $this->_forceFail === false) {
+				$this->_success = true;
+			}
+		}
+
+		/**
+		 * Adds a rule to a form data validation field.
+		 *
+		 * @param string $inputField Name of the field or the data key to add a rule to
+		 * @param string $ruleSets PIPE seperated string of rules
 		 *
 		 * @return FormValidation Current instance of object.
-         */
-        public function setRules(array $ruleSets) {
-            foreach ($ruleSets as $ruleSet) {
-                $pipeDelimitedRules = null;
-                if (is_array($ruleSet['rules'])) {
-                    $pipeDelimitedRules = implode('|', $ruleSet['rules']);
-                } else {
-                    $pipeDelimitedRules = $ruleSet['rules'];
-                }
-                $this->setRule($ruleSet['name'], $ruleSet['label'], $pipeDelimitedRules);
-            }
-            return $this;
-        }
-
-        /**
-         * This method creates the global errors delimiter, each argument occurs once, at the beginning, and
-         * end of the errors block respectively.
-         *
-         * @param string $start Before block of errors gets displayed, HTML allowed.
-         * @param string $end After the block of errors gets displayed, HTML allowed.
-         *
+		 */
+		public function setRule($inputField, $inputLabel, $ruleSets) {
+			$this->_rules[$inputField] = $ruleSets;
+			$this->_labels[$inputField] = $inputLabel;
+			$this->logger->info('Set the field rule: name [' .$inputField. '], label [' .$inputLabel. '], rules [' .$ruleSets. ']');
+			return $this;
+		}
+
+		/**
+		 * Takes an array of rules and uses setRule() to set them, accepts an array
+		 * of rule names rather than a pipe-delimited string as well.
+		 * @param array $ruleSets
+		 *
 		 * @return FormValidation Current instance of object.
-         */
-        public function setErrorsDelimiter($start, $end) {
-            $this->_allErrorsDelimiter[0] = $start;
-            $this->_allErrorsDelimiter[1] = $end;
-            return $this;
-        }
-
-        /**
-         * This is the individual error delimiter, each argument occurs once before and after
-         * each individual error listed.
-         *
-         * @param string $start Displayed before each error.
-         * @param string $end Displayed after each error.
-         * 
+		 */
+		public function setRules(array $ruleSets) {
+			foreach ($ruleSets as $ruleSet) {
+				$pipeDelimitedRules = null;
+				if (is_array($ruleSet['rules'])) {
+					$pipeDelimitedRules = implode('|', $ruleSet['rules']);
+				} else {
+					$pipeDelimitedRules = $ruleSet['rules'];
+				}
+				$this->setRule($ruleSet['name'], $ruleSet['label'], $pipeDelimitedRules);
+			}
+			return $this;
+		}
+
+		/**
+		 * This method creates the global errors delimiter, each argument occurs once, at the beginning, and
+		 * end of the errors block respectively.
+		 *
+		 * @param string $start Before block of errors gets displayed, HTML allowed.
+		 * @param string $end After the block of errors gets displayed, HTML allowed.
+		 *
 		 * @return FormValidation Current instance of object.
-         */
-        public function setErrorDelimiter($start, $end) {
-            $this->_eachErrorDelimiter[0] = $start;
-            $this->_eachErrorDelimiter[1] = $end;
-            return $this;
-        }
-
-		/**
-		* Get the each errors delimiters
-		*
-		* @return array
-		*/
-    	public function getErrorDelimiter() {
-            return $this->_eachErrorDelimiter;
-        }
-
-		/**
-		* Get the all errors delimiters
-		*
-		* @return array
-		*/
-    	public function getErrorsDelimiter() {
-            return $this->_allErrorsDelimiter;
-        }
-
-        /**
-         * This sets a custom error message that can override the default error phrase provided
-         * by FormValidation, it can be used in the format of setMessage('rule', 'error phrase')
-         * which will globally change the error phrase of that rule, or in the format of:
-         * setMessage('rule', 'fieldname', 'error phrase') - which will only change the error phrase for
-         * that rule, applied on that field.
-         *
-         * @return boolean True on success, false on failure.
-         */
-        public function setMessage() {
-            $numArgs = func_num_args();
-            switch ($numArgs) {
-                default:
-                    return false;
-                // A global rule error message
-                case 2:
-                    foreach ($this->post(null) as $key => $val) {
-                        $this->_errorPhraseOverrides[$key][func_get_arg(0)] = func_get_arg(1);
-                    }
-                    break;
-                // Field specific rule error message
-                case 3:
-                    $this->_errorPhraseOverrides[func_get_arg(1)][func_get_arg(0)] = func_get_arg(2);
-                    break;
-            }
-            return true;
-        }
-
-        /**
-         * Adds a custom error message in the errorSet array, that will
-         * forcibly display it.
-         *
-         * @param string $inputName The form input name or data key
-         * @param string $errorMessage Error to display
-		 *
-         * @return formValidation Current instance of the object
-         */
-        public function setCustomError($inputName, $errorMessage) {
-            $errorMessage = str_replace('%1', $this->_labels[$inputName], $errorMessage);
-            $this->_errors[$inputName] = $errorMessage;
-            return $this;
-        }
-
-        /**
-         * Allows for an accesor to any/all post values, if a value of null is passed as the key, it
-         * will recursively find all keys/values of the $_POST array or data array. It also automatically trims
-         * all values.
-         *
-         * @param string $key Key of $this->data to be found, pass null for all Key => Val pairs.
-         * @param boolean $trim Defaults to true, trims all $this->data values.
-         * @return string|array Array of post or data values if null is passed as key, string if only one key is desired.
-         */
-        public function post($key = null, $trim = true) {
-            $returnValue = null;
-            if (is_null($key)) {
-                $returnValue = array();
-                foreach ($this->getData()  as $key => $val) {
-                    $returnValue[$key] = $this->post($key, $trim);
-                }
-            } else {
-                $returnValue = (array_key_exists($key, $this->getData())) ? (($trim) ? trim($this->data[$key]) : $this->data[$key]) : null;
-            }
-            return $returnValue;
-        }
-
-        /**
-         * Gets all errors from errorSet and displays them, can be echo out from the
-         * function or just returned.
-         *
-         * @param boolean $limit number of error to display or return
-         * @param boolean $echo Whether or not the values are to be returned or displayed
-		 *
-         * @return string Errors formatted for output
-         */
-        public function displayErrors($limit = null, $echo = true) {
-            list($errorsStart, $errorsEnd) = $this->_allErrorsDelimiter;
-            list($errorStart, $errorEnd) = $this->_eachErrorDelimiter;
-            $errorOutput = $errorsStart;
-    		$i = 0;
-            if (!empty($this->_errors)) {
-                foreach ($this->_errors as $fieldName => $error) {
-        	    	if ($i === $limit) { 
-                        break; 
-                    }
-                    $errorOutput .= $errorStart;
-                    $errorOutput .= $error;
-                    $errorOutput .= $errorEnd;
-                    $i++;
-                }
-            }
-            $errorOutput .= $errorsEnd;
-            echo ($echo) ? $errorOutput : '';
-            return (! $echo) ? $errorOutput : null;
-        }
-
-        /**
-         * Returns raw array of errors in no format instead of displaying them
-         * formatted.
-         *
-         * @return array
-         */
-        public function returnErrors() {
-            return $this->_errors;
-        }
-
-        /**
-         * Breaks up a PIPE seperated string of rules, and puts them into an array.
-         *
-         * @param string $ruleString String to be parsed.
-		 *
-         * @return array Array of each value in original string.
-         */
-        protected function _parseRuleString($ruleString) {
-            $ruleSets = array();
-            /*
+		 */
+		public function setErrorsDelimiter($start, $end) {
+			$this->_allErrorsDelimiter[0] = $start;
+			$this->_allErrorsDelimiter[1] = $end;
+			return $this;
+		}
+
+		/**
+		 * This is the individual error delimiter, each argument occurs once before and after
+		 * each individual error listed.
+		 *
+		 * @param string $start Displayed before each error.
+		 * @param string $end Displayed after each error.
+		 * 
+		 * @return FormValidation Current instance of object.
+		 */
+		public function setErrorDelimiter($start, $end) {
+			$this->_eachErrorDelimiter[0] = $start;
+			$this->_eachErrorDelimiter[1] = $end;
+			return $this;
+		}
+
+		/**
+		 * Get the each errors delimiters
+		 *
+		 * @return array
+		 */
+		public function getErrorDelimiter() {
+			return $this->_eachErrorDelimiter;
+		}
+
+		/**
+		 * Get the all errors delimiters
+		 *
+		 * @return array
+		 */
+		public function getErrorsDelimiter() {
+			return $this->_allErrorsDelimiter;
+		}
+
+		/**
+		 * This sets a custom error message that can override the default error phrase provided
+		 * by FormValidation, it can be used in the format of setMessage('rule', 'error phrase')
+		 * which will globally change the error phrase of that rule, or in the format of:
+		 * setMessage('rule', 'fieldname', 'error phrase') - which will only change the error phrase for
+		 * that rule, applied on that field.
+		 *
+		 * @return boolean True on success, false on failure.
+		 */
+		public function setMessage() {
+			$numArgs = func_num_args();
+			switch ($numArgs) {
+				default:
+					return false;
+				// A global rule error message
+				case 2:
+					foreach ($this->post(null) as $key => $val) {
+						$this->_errorPhraseOverrides[$key][func_get_arg(0)] = func_get_arg(1);
+					}
+					break;
+				// Field specific rule error message
+				case 3:
+					$this->_errorPhraseOverrides[func_get_arg(1)][func_get_arg(0)] = func_get_arg(2);
+					break;
+			}
+			return true;
+		}
+
+		/**
+		 * Adds a custom error message in the errorSet array, that will
+		 * forcibly display it.
+		 *
+		 * @param string $inputName The form input name or data key
+		 * @param string $errorMessage Error to display
+		 *
+		 * @return formValidation Current instance of the object
+		 */
+		public function setCustomError($inputName, $errorMessage) {
+			$errorMessage = str_replace('%1', $this->_labels[$inputName], $errorMessage);
+			$this->_errors[$inputName] = $errorMessage;
+			return $this;
+		}
+
+		/**
+		 * Allows for an accesor to any/all post values, if a value of null is passed as the key, it
+		 * will recursively find all keys/values of the $_POST array or data array. It also automatically trims
+		 * all values.
+		 *
+		 * @param string $key Key of $this->data to be found, pass null for all Key => Val pairs.
+		 * @param boolean $trim Defaults to true, trims all $this->data values.
+		 * @return string|array Array of post or data values if null is passed as key, string if only one key is desired.
+		 */
+		public function post($key = null, $trim = true) {
+			$returnValue = null;
+			if (is_null($key)) {
+				$returnValue = array();
+				foreach ($this->getData()  as $key => $val) {
+					$returnValue[$key] = $this->post($key, $trim);
+				}
+			} else {
+				$returnValue = (array_key_exists($key, $this->getData())) ? (($trim) ? trim($this->data[$key]) : $this->data[$key]) : null;
+			}
+			return $returnValue;
+		}
+
+		/**
+		 * Gets all errors from errorSet and displays them, can be echo out from the
+		 * function or just returned.
+		 *
+		 * @param boolean $limit number of error to display or return
+		 * @param boolean $echo Whether or not the values are to be returned or displayed
+		 *
+		 * @return string Errors formatted for output
+		 */
+		public function displayErrors($limit = null, $echo = true) {
+			list($errorsStart, $errorsEnd) = $this->_allErrorsDelimiter;
+			list($errorStart, $errorEnd) = $this->_eachErrorDelimiter;
+			$errorOutput = $errorsStart;
+			$i = 0;
+			if (!empty($this->_errors)) {
+				foreach ($this->_errors as $fieldName => $error) {
+					if ($i === $limit) { 
+						break; 
+					}
+					$errorOutput .= $errorStart;
+					$errorOutput .= $error;
+					$errorOutput .= $errorEnd;
+					$i++;
+				}
+			}
+			$errorOutput .= $errorsEnd;
+			echo ($echo) ? $errorOutput : '';
+			return (! $echo) ? $errorOutput : null;
+		}
+
+		/**
+		 * Returns raw array of errors in no format instead of displaying them
+		 * formatted.
+		 *
+		 * @return array
+		 */
+		public function returnErrors() {
+			return $this->_errors;
+		}
+
+		/**
+		 * Breaks up a PIPE seperated string of rules, and puts them into an array.
+		 *
+		 * @param string $ruleString String to be parsed.
+		 *
+		 * @return array Array of each value in original string.
+		 */
+		protected function _parseRuleString($ruleString) {
+			$ruleSets = array();
+			/*
             //////////////// hack for regex rule that can contain "|"
             */
-            if(strpos($ruleString, 'regex') !== false){
-                $regexRule = array();
-                $rule = '#regex\[\/(.*)\/([a-zA-Z0-9]?)\]#';
-                preg_match($rule, $ruleString, $regexRule);
-                $ruleStringTemp = preg_replace($rule, '', $ruleString);
-                 if(isset($regexRule[0]) && !empty($regexRule[0])){
-                     $ruleSets[] = $regexRule[0];
-                 }
-                 $ruleStringRegex = explode('|', $ruleStringTemp);
-                foreach ($ruleStringRegex as $rule) {
-                    $rule = trim($rule);
-                    if($rule){
-                        $ruleSets[] = $rule;
-                    }
-                }
+			if(strpos($ruleString, 'regex') !== false){
+				$regexRule = array();
+				$rule = '#regex\[\/(.*)\/([a-zA-Z0-9]?)\]#';
+				preg_match($rule, $ruleString, $regexRule);
+				$ruleStringTemp = preg_replace($rule, '', $ruleString);
+				 if(isset($regexRule[0]) && !empty($regexRule[0])){
+					 $ruleSets[] = $regexRule[0];
+				 }
+				 $ruleStringRegex = explode('|', $ruleStringTemp);
+				foreach ($ruleStringRegex as $rule) {
+					$rule = trim($rule);
+					if($rule){
+						$ruleSets[] = $rule;
+					}
+				}
                  
-            }
-            /***********************************/
-            else{
-                if (strpos($ruleString, '|') !== FALSE) {
-                    $ruleSets = explode('|', $ruleString);
-                } else {
-                    $ruleSets[] = $ruleString;
-                }
-             }
-            return $ruleSets;
-        }
-
-        /**
-         * Returns whether or not a field obtains the rule "required".
-         *
-         * @param string $fieldName Field to check if required.
-		 *
-         * @return boolean Whether or not the field is required.
-         */
-        protected function _fieldIsRequired($fieldName) {
-            $rules = $this->_parseRuleString($this->_rules[$fieldName]);
-            return (in_array('required', $rules));
-        }
-
-        /**
-         * Takes a data input name, it's value, and the rule it's being validated against (ex: max_length[16])
-         * and adds an error to the errorSet if it fails validation of the rule.
-         *
-         * @param string $inputName Name or key of the validation data
-         * @param string $inputVal Value of the validation data
-         * @param string $ruleName Rule to be validated against, including args (exact_length[5])
-         * @return void
-         */
-        protected function _validateRule($inputName, $inputVal, $ruleName) {
-            $this->logger->debug('Rule validation of field [' .$inputName. '], value [' .$inputVal. '], rule [' .$ruleName. ']');
-            // Array to store args
-            $ruleArgs = array();
-
-            preg_match('/\[(.*)\]/', $ruleName, $ruleArgs);
-
-            // Get the rule arguments, realRule is just the base rule name
-            // Like min_length instead of min_length[3]
-            $ruleName = preg_replace('/\[(.*)\]/', '', $ruleName);
+			}
+			/***********************************/
+			else{
+				if (strpos($ruleString, '|') !== FALSE) {
+					$ruleSets = explode('|', $ruleString);
+				} else {
+					$ruleSets[] = $ruleString;
+				}
+			 }
+			return $ruleSets;
+		}
+
+		/**
+		 * Returns whether or not a field obtains the rule "required".
+		 *
+		 * @param string $fieldName Field to check if required.
+		 *
+		 * @return boolean Whether or not the field is required.
+		 */
+		protected function _fieldIsRequired($fieldName) {
+			$rules = $this->_parseRuleString($this->_rules[$fieldName]);
+			return (in_array('required', $rules));
+		}
+
+		/**
+		 * Takes a data input name, it's value, and the rule it's being validated against (ex: max_length[16])
+		 * and adds an error to the errorSet if it fails validation of the rule.
+		 *
+		 * @param string $inputName Name or key of the validation data
+		 * @param string $inputVal Value of the validation data
+		 * @param string $ruleName Rule to be validated against, including args (exact_length[5])
+		 * @return void
+		 */
+		protected function _validateRule($inputName, $inputVal, $ruleName) {
+			$this->logger->debug('Rule validation of field [' .$inputName. '], value [' .$inputVal. '], rule [' .$ruleName. ']');
+			// Array to store args
+			$ruleArgs = array();
+
+			preg_match('/\[(.*)\]/', $ruleName, $ruleArgs);
+
+			// Get the rule arguments, realRule is just the base rule name
+			// Like min_length instead of min_length[3]
+			$ruleName = preg_replace('/\[(.*)\]/', '', $ruleName);
             
-            if (method_exists($this, $this->_toCallCase($ruleName))) {
-                $methodToCall = $this->_toCallCase($ruleName);
-                call_user_func(array($this, $methodToCall), $inputName, $ruleName, $ruleArgs);
-            }
-            return;
-        }
-
-		/**
-		* Set error for the given field or key
-		*
-		* @param string $inputName the input or key name
-		* @param string $ruleName the rule name
-		* @param array|string $replacements
-		*/
-        protected function _setError($inputName, $ruleName, $replacements = array()) {
-            $rulePhraseKeyParts = explode(',', $ruleName);
-            $rulePhrase = null;
-            foreach ($rulePhraseKeyParts as $rulePhraseKeyPart) {
-                if (array_key_exists($rulePhraseKeyPart, $this->_errorsMessages)) {
-                    $rulePhrase = $this->_errorsMessages[$rulePhraseKeyPart];
-                } else {
-                    $rulePhrase = $rulePhrase[$rulePhraseKeyPart];
-                }
-            }
-            // Any overrides?
-            if (array_key_exists($inputName, $this->_errorPhraseOverrides) && array_key_exists($ruleName, $this->_errorPhraseOverrides[$inputName])) {
-                $rulePhrase = $this->_errorPhraseOverrides[$inputName][$ruleName];
-            }
-            // Type cast to array in case it's a string
-            $replacements = (array) $replacements;
+			if (method_exists($this, $this->_toCallCase($ruleName))) {
+				$methodToCall = $this->_toCallCase($ruleName);
+				call_user_func(array($this, $methodToCall), $inputName, $ruleName, $ruleArgs);
+			}
+			return;
+		}
+
+		/**
+		 * Set error for the given field or key
+		 *
+		 * @param string $inputName the input or key name
+		 * @param string $ruleName the rule name
+		 * @param array|string $replacements
+		 */
+		protected function _setError($inputName, $ruleName, $replacements = array()) {
+			$rulePhraseKeyParts = explode(',', $ruleName);
+			$rulePhrase = null;
+			foreach ($rulePhraseKeyParts as $rulePhraseKeyPart) {
+				if (array_key_exists($rulePhraseKeyPart, $this->_errorsMessages)) {
+					$rulePhrase = $this->_errorsMessages[$rulePhraseKeyPart];
+				} else {
+					$rulePhrase = $rulePhrase[$rulePhraseKeyPart];
+				}
+			}
+			// Any overrides?
+			if (array_key_exists($inputName, $this->_errorPhraseOverrides) && array_key_exists($ruleName, $this->_errorPhraseOverrides[$inputName])) {
+				$rulePhrase = $this->_errorPhraseOverrides[$inputName][$ruleName];
+			}
+			// Type cast to array in case it's a string
+			$replacements = (array) $replacements;
 			$replacementCount = count($replacements);
-            for ($i = 1; $i <= $replacementCount; $i++) {
-                $key = $i - 1;
-                $rulePhrase = str_replace('%' . $i, $replacements[$key], $rulePhrase);
-            }
-            if (! array_key_exists($inputName, $this->_errors)) {
-                $this->_errors[$inputName] = $rulePhrase;
-            }
-        }
-
-        /**
-         * Used to run a callback for the callback rule, as well as pass in a default
-         * argument of the post value. For example the username field having a rule:
-         * callback[userExists] will eval userExists(data[username]) - Note the use
-         * of eval over call_user_func is in case the function is not user defined.
-         *
-         * @param type $inputArg
-         * @param string $callbackFunc
-		 *
-         * @return mixed
-         */
-        protected function _runCallback($inputArg, $callbackFunc) {
+			for ($i = 1; $i <= $replacementCount; $i++) {
+				$key = $i - 1;
+				$rulePhrase = str_replace('%' . $i, $replacements[$key], $rulePhrase);
+			}
+			if (! array_key_exists($inputName, $this->_errors)) {
+				$this->_errors[$inputName] = $rulePhrase;
+			}
+		}
+
+		/**
+		 * Used to run a callback for the callback rule, as well as pass in a default
+		 * argument of the post value. For example the username field having a rule:
+		 * callback[userExists] will eval userExists(data[username]) - Note the use
+		 * of eval over call_user_func is in case the function is not user defined.
+		 *
+		 * @param type $inputArg
+		 * @param string $callbackFunc
+		 *
+		 * @return mixed
+		 */
+		protected function _runCallback($inputArg, $callbackFunc) {
 			return eval('return ' . $callbackFunc . '("' . $inputArg . '");');
-        }
-
-        /**
-         * Used for applying a rule only if the empty callback evaluates to true,
-         * for example required[funcName] - This runs funcName without passing any
-         * arguments.
-         *
-         * @param string $callbackFunc
-		 *
-         * @return anything
-         */
-        protected function _runEmptyCallback($callbackFunc) {
-            return eval('return ' . $callbackFunc . '();');
-        }
-
-        /**
-         * Gets a specific label of a specific field input name.
-         *
-         * @param string $inputName
-		 *
-         * @return string
-         */
-        protected function _getLabel($inputName) {
-            return (array_key_exists($inputName, $this->_labels)) ? $this->_labels[$inputName] : $inputName;
-        }
+		}
+
+		/**
+		 * Used for applying a rule only if the empty callback evaluates to true,
+		 * for example required[funcName] - This runs funcName without passing any
+		 * arguments.
+		 *
+		 * @param string $callbackFunc
+		 *
+		 * @return anything
+		 */
+		protected function _runEmptyCallback($callbackFunc) {
+			return eval('return ' . $callbackFunc . '();');
+		}
+
+		/**
+		 * Gets a specific label of a specific field input name.
+		 *
+		 * @param string $inputName
+		 *
+		 * @return string
+		 */
+		protected function _getLabel($inputName) {
+			return (array_key_exists($inputName, $this->_labels)) ? $this->_labels[$inputName] : $inputName;
+		}
 		
-        /**
-         * Peform validation for the rule "required"
-         * @param  string $inputName the form field or data key name used
-         * @param  string $ruleName  the rule name for this validation ("required")
-         * @param  array  $ruleArgs  the rules argument
-         */
+		/**
+		 * Peform validation for the rule "required"
+		 * @param  string $inputName the form field or data key name used
+		 * @param  string $ruleName  the rule name for this validation ("required")
+		 * @param  array  $ruleArgs  the rules argument
+		 */
 		protected function _validateRequired($inputName, $ruleName, array $ruleArgs) {
-            $inputVal = $this->post($inputName);
-            if(array_key_exists(1, $ruleArgs) && function_exists($ruleArgs[1])) {
-                $callbackReturn = $this->_runEmptyCallback($ruleArgs[1]);
-                if ($inputVal == '' && $callbackReturn == true) {
-                    $this->_setError($inputName, $ruleName, $this->_getLabel($inputName));
-                }
-            } 
+			$inputVal = $this->post($inputName);
+			if(array_key_exists(1, $ruleArgs) && function_exists($ruleArgs[1])) {
+				$callbackReturn = $this->_runEmptyCallback($ruleArgs[1]);
+				if ($inputVal == '' && $callbackReturn == true) {
+					$this->_setError($inputName, $ruleName, $this->_getLabel($inputName));
+				}
+			} 
 			else if($inputVal == '') {
 				$this->_setError($inputName, $ruleName, $this->_getLabel($inputName));
-            }
-        }
-
-        /**
-         * Perform validation for the honey pot so means for the validation to be failed
-         * @param  string $inputName the form field or data key name used
-         * @param  string $ruleName  the rule name for this validation
-         * @param  array  $ruleArgs  the rules argument
-         */
-        protected function _validateHoneypot($inputName, $ruleName, array $ruleArgs) {
-            if ($this->data[$inputName] != '') {
-                $this->_forceFail = true;
-            }
-        }
-
-        /**
-         * Peform validation for the rule "callback"
-         * @param  string $inputName the form field or data key name used
-         * @param  string $ruleName  the rule name for this validation ("callback")
-         * @param  array  $ruleArgs  the rules argument
-         */
-        protected function _validateCallback($inputName, $ruleName, array $ruleArgs) {
-            if (function_exists($ruleArgs[1]) && !empty($this->data[$inputName])) {
+			}
+		}
+
+		/**
+		 * Perform validation for the honey pot so means for the validation to be failed
+		 * @param  string $inputName the form field or data key name used
+		 * @param  string $ruleName  the rule name for this validation
+		 * @param  array  $ruleArgs  the rules argument
+		 */
+		protected function _validateHoneypot($inputName, $ruleName, array $ruleArgs) {
+			if ($this->data[$inputName] != '') {
+				$this->_forceFail = true;
+			}
+		}
+
+		/**
+		 * Peform validation for the rule "callback"
+		 * @param  string $inputName the form field or data key name used
+		 * @param  string $ruleName  the rule name for this validation ("callback")
+		 * @param  array  $ruleArgs  the rules argument
+		 */
+		protected function _validateCallback($inputName, $ruleName, array $ruleArgs) {
+			if (function_exists($ruleArgs[1]) && !empty($this->data[$inputName])) {
 				$result = $this->_runCallback($this->data[$inputName], $ruleArgs[1]);
 				if(! $result){
 					$this->_setError($inputName, $ruleName, array($this->_getLabel($inputName)));
 				}
-            }
-        }
-
-        /**
-         * Peform validation for the rule "depends"
-         * @param  string $inputName the form field or data key name used
-         * @param  string $ruleName  the rule name for this validation ("depends")
-         * @param  array  $ruleArgs  the rules argument
-         */
-        protected function _validateDepends($inputName, $ruleName, array $ruleArgs) {
-            if (array_key_exists($ruleArgs[1], $this->_errors)) {
-                $this->_setError($inputName, $ruleName, array($this->_getLabel($inputName), $this->_getLabel($ruleArgs[1])));
-            }
-        }
-
-        /**
-         * Peform validation for the rule "not_equal"
-         * @param  string $inputName the form field or data key name used
-         * @param  string $ruleName  the rule name for this validation ("not_equal")
-         * @param  array  $ruleArgs  the rules argument
-         */
-        protected function _validateNotEqual($inputName, $ruleName, array $ruleArgs) {
-            $canNotEqual = explode(',', $ruleArgs[1]);
-            foreach ($canNotEqual as $doNotEqual) {
-                $inputVal = $this->post($inputName);
-                if (preg_match('/post:(.*)/', $doNotEqual)) {
-                    if ($inputVal == $this->data[str_replace('post:', '', $doNotEqual)]) {
-                        $this->_setError($inputName, $ruleName . ',post:key', array($this->_getLabel($inputName), $this->_getLabel(str_replace('post:', '', $doNotEqual))));
-                        continue;
-                    }
-                } 
+			}
+		}
+
+		/**
+		 * Peform validation for the rule "depends"
+		 * @param  string $inputName the form field or data key name used
+		 * @param  string $ruleName  the rule name for this validation ("depends")
+		 * @param  array  $ruleArgs  the rules argument
+		 */
+		protected function _validateDepends($inputName, $ruleName, array $ruleArgs) {
+			if (array_key_exists($ruleArgs[1], $this->_errors)) {
+				$this->_setError($inputName, $ruleName, array($this->_getLabel($inputName), $this->_getLabel($ruleArgs[1])));
+			}
+		}
+
+		/**
+		 * Peform validation for the rule "not_equal"
+		 * @param  string $inputName the form field or data key name used
+		 * @param  string $ruleName  the rule name for this validation ("not_equal")
+		 * @param  array  $ruleArgs  the rules argument
+		 */
+		protected function _validateNotEqual($inputName, $ruleName, array $ruleArgs) {
+			$canNotEqual = explode(',', $ruleArgs[1]);
+			foreach ($canNotEqual as $doNotEqual) {
+				$inputVal = $this->post($inputName);
+				if (preg_match('/post:(.*)/', $doNotEqual)) {
+					if ($inputVal == $this->data[str_replace('post:', '', $doNotEqual)]) {
+						$this->_setError($inputName, $ruleName . ',post:key', array($this->_getLabel($inputName), $this->_getLabel(str_replace('post:', '', $doNotEqual))));
+						continue;
+					}
+				} 
 				else{
-                    if ($inputVal == $doNotEqual) {
-                        $this->_setError($inputName, $ruleName . ',string', array($this->_getLabel($inputName), $doNotEqual));
-                        continue;
-                    }
-                }
-            }
-        }
-
-        /**
-         * Peform validation for the rule "matches"
-         * @param  string $inputName the form field or data key name used
-         * @param  string $ruleName  the rule name for this validation ("matches")
-         * @param  array  $ruleArgs  the rules argument
-         */
-        protected function _validateMatches($inputName, $ruleName, array $ruleArgs) {
-            $inputVal = $this->post($inputName);
-            if ($inputVal != $this->data[$ruleArgs[1]]) {
-                $this->_setError($inputName, $ruleName, array($this->_getLabel($inputName), $this->_getLabel($ruleArgs[1])));
-            }
-        }
-
-        /**
-         * Peform validation for the rule "valid_email"
-         * @param  string $inputName the form field or data key name used
-         * @param  string $ruleName  the rule name for this validation ("valid_email")
-         * @param  array  $ruleArgs  the rules argument
-         */
-        protected function _validateValidEmail($inputName, $ruleName, array $ruleArgs) {
-            $inputVal = $this->post($inputName);
-            if (! preg_match("/^([\w\!\#$\%\&\'\*\+\-\/\=\?\^\`{\|\}\~]+\.)*[\w\!\#$\%\&\'\*\+\-\/\=\?\^\`{\|\}\~]+@((((([a-z0-9]{1}[a-z0-9\-]{0,62}[a-z0-9]{1})|[a-z])\.)+[a-z]{2,6})|(\d{1,3}\.){3}\d{1,3}(\:\d{1,5})?)$/i", $inputVal)) {
-                if (! $this->_fieldIsRequired($inputName) && empty($this->data[$inputName])) {
-                    return;
-                }
-                $this->_setError($inputName, $ruleName, $this->_getLabel($inputName));
-            }
-        }
-
-        /**
-         * Peform validation for the rule "exact_length"
-         * @param  string $inputName the form field or data key name used
-         * @param  string $ruleName  the rule name for this validation ("exact_length")
-         * @param  array  $ruleArgs  the rules argument
-         */
-        protected function _validateExactLength($inputName, $ruleName, array $ruleArgs) {
-            $inputVal = $this->post($inputName);
-            if (strlen($inputVal) != $ruleArgs[1]) { // $ruleArgs[0] is [length] $rulesArgs[1] is just length
-                if (! $this->_fieldIsRequired($inputName) && empty($this->data[$inputName])) {
-                    return;
-                }
-                $this->_setError($inputName, $ruleName, array($this->_getLabel($inputName), $this->_getLabel($ruleArgs[1])));
-            }
-        }
-
-        /**
-         * Peform validation for the rule "max_length"
-         * @param  string $inputName the form field or data key name used
-         * @param  string $ruleName  the rule name for this validation ("max_length")
-         * @param  array  $ruleArgs  the rules argument
-         */
-        protected function _validateMaxLength($inputName, $ruleName, array $ruleArgs) {
-            $inputVal = $this->post($inputName);
-            if (strlen($inputVal) > $ruleArgs[1]) { // $ruleArgs[0] is [length] $rulesArgs[1] is just length
-                if (! $this->_fieldIsRequired($inputName) && empty($this->data[$inputName])) {
-                    return;
-                }
-                $this->_setError($inputName, $ruleName, array($this->_getLabel($inputName), $this->_getLabel($ruleArgs[1])));
-            }
-        }
-
-        /**
-         * Peform validation for the rule "min_length"
-         * @param  string $inputName the form field or data key name used
-         * @param  string $ruleName  the rule name for this validation ("min_length")
-         * @param  array  $ruleArgs  the rules argument
-         */
-        protected function _validateMinLength($inputName, $ruleName, array $ruleArgs) {
-            $inputVal = $this->post($inputName);
-            if (strlen($inputVal) < $ruleArgs[1]) { // $ruleArgs[0] is [length] $rulesArgs[1] is just length
-                if (! $this->_fieldIsRequired($inputName) && empty($this->data[$inputName])) {
-                    return;
-                }
-                $this->_setError($inputName, $ruleName, array($this->_getLabel($inputName), $this->_getLabel($ruleArgs[1])));
-            }
-        }
+					if ($inputVal == $doNotEqual) {
+						$this->_setError($inputName, $ruleName . ',string', array($this->_getLabel($inputName), $doNotEqual));
+						continue;
+					}
+				}
+			}
+		}
+
+		/**
+		 * Peform validation for the rule "matches"
+		 * @param  string $inputName the form field or data key name used
+		 * @param  string $ruleName  the rule name for this validation ("matches")
+		 * @param  array  $ruleArgs  the rules argument
+		 */
+		protected function _validateMatches($inputName, $ruleName, array $ruleArgs) {
+			$inputVal = $this->post($inputName);
+			if ($inputVal != $this->data[$ruleArgs[1]]) {
+				$this->_setError($inputName, $ruleName, array($this->_getLabel($inputName), $this->_getLabel($ruleArgs[1])));
+			}
+		}
+
+		/**
+		 * Peform validation for the rule "valid_email"
+		 * @param  string $inputName the form field or data key name used
+		 * @param  string $ruleName  the rule name for this validation ("valid_email")
+		 * @param  array  $ruleArgs  the rules argument
+		 */
+		protected function _validateValidEmail($inputName, $ruleName, array $ruleArgs) {
+			$inputVal = $this->post($inputName);
+			if (! preg_match("/^([\w\!\#$\%\&\'\*\+\-\/\=\?\^\`{\|\}\~]+\.)*[\w\!\#$\%\&\'\*\+\-\/\=\?\^\`{\|\}\~]+@((((([a-z0-9]{1}[a-z0-9\-]{0,62}[a-z0-9]{1})|[a-z])\.)+[a-z]{2,6})|(\d{1,3}\.){3}\d{1,3}(\:\d{1,5})?)$/i", $inputVal)) {
+				if (! $this->_fieldIsRequired($inputName) && empty($this->data[$inputName])) {
+					return;
+				}
+				$this->_setError($inputName, $ruleName, $this->_getLabel($inputName));
+			}
+		}
+
+		/**
+		 * Peform validation for the rule "exact_length"
+		 * @param  string $inputName the form field or data key name used
+		 * @param  string $ruleName  the rule name for this validation ("exact_length")
+		 * @param  array  $ruleArgs  the rules argument
+		 */
+		protected function _validateExactLength($inputName, $ruleName, array $ruleArgs) {
+			$inputVal = $this->post($inputName);
+			if (strlen($inputVal) != $ruleArgs[1]) { // $ruleArgs[0] is [length] $rulesArgs[1] is just length
+				if (! $this->_fieldIsRequired($inputName) && empty($this->data[$inputName])) {
+					return;
+				}
+				$this->_setError($inputName, $ruleName, array($this->_getLabel($inputName), $this->_getLabel($ruleArgs[1])));
+			}
+		}
+
+		/**
+		 * Peform validation for the rule "max_length"
+		 * @param  string $inputName the form field or data key name used
+		 * @param  string $ruleName  the rule name for this validation ("max_length")
+		 * @param  array  $ruleArgs  the rules argument
+		 */
+		protected function _validateMaxLength($inputName, $ruleName, array $ruleArgs) {
+			$inputVal = $this->post($inputName);
+			if (strlen($inputVal) > $ruleArgs[1]) { // $ruleArgs[0] is [length] $rulesArgs[1] is just length
+				if (! $this->_fieldIsRequired($inputName) && empty($this->data[$inputName])) {
+					return;
+				}
+				$this->_setError($inputName, $ruleName, array($this->_getLabel($inputName), $this->_getLabel($ruleArgs[1])));
+			}
+		}
+
+		/**
+		 * Peform validation for the rule "min_length"
+		 * @param  string $inputName the form field or data key name used
+		 * @param  string $ruleName  the rule name for this validation ("min_length")
+		 * @param  array  $ruleArgs  the rules argument
+		 */
+		protected function _validateMinLength($inputName, $ruleName, array $ruleArgs) {
+			$inputVal = $this->post($inputName);
+			if (strlen($inputVal) < $ruleArgs[1]) { // $ruleArgs[0] is [length] $rulesArgs[1] is just length
+				if (! $this->_fieldIsRequired($inputName) && empty($this->data[$inputName])) {
+					return;
+				}
+				$this->_setError($inputName, $ruleName, array($this->_getLabel($inputName), $this->_getLabel($ruleArgs[1])));
+			}
+		}
     	
-        /**
-         * Peform validation for the rule "less_than"
-         * @param  string $inputName the form field or data key name used
-         * @param  string $ruleName  the rule name for this validation ("less_than")
-         * @param  array  $ruleArgs  the rules argument
-         */
-    	protected function _validateLessThan($inputName, $ruleName, array $ruleArgs) {
-            $inputVal = $this->post($inputName);
-            if ($inputVal >= $ruleArgs[1]) { 
-                if (! $this->_fieldIsRequired($inputName) && empty($this->data[$inputName])) {
-                    return;
-                }
-                $this->_setError($inputName, $ruleName, array($this->_getLabel($inputName), $this->_getLabel($ruleArgs[1])));
-            }
-        }
+		/**
+		 * Peform validation for the rule "less_than"
+		 * @param  string $inputName the form field or data key name used
+		 * @param  string $ruleName  the rule name for this validation ("less_than")
+		 * @param  array  $ruleArgs  the rules argument
+		 */
+		protected function _validateLessThan($inputName, $ruleName, array $ruleArgs) {
+			$inputVal = $this->post($inputName);
+			if ($inputVal >= $ruleArgs[1]) { 
+				if (! $this->_fieldIsRequired($inputName) && empty($this->data[$inputName])) {
+					return;
+				}
+				$this->_setError($inputName, $ruleName, array($this->_getLabel($inputName), $this->_getLabel($ruleArgs[1])));
+			}
+		}
     	
-        /**
-         * Peform validation for the rule "greater_than"
-         * @param  string $inputName the form field or data key name used
-         * @param  string $ruleName  the rule name for this validation ("greater_than")
-         * @param  array  $ruleArgs  the rules argument
-         */
-    	protected function _validateGreaterThan($inputName, $ruleName, array $ruleArgs) {
-            $inputVal = $this->post($inputName);
-            if ($inputVal <= $ruleArgs[1]) {
-                if (! $this->_fieldIsRequired($inputName) && empty($this->data[$inputName])) {
-                    return;
-                }
-                $this->_setError($inputName, $ruleName, array($this->_getLabel($inputName), $this->_getLabel($ruleArgs[1])));
-            }
-        }
+		/**
+		 * Peform validation for the rule "greater_than"
+		 * @param  string $inputName the form field or data key name used
+		 * @param  string $ruleName  the rule name for this validation ("greater_than")
+		 * @param  array  $ruleArgs  the rules argument
+		 */
+		protected function _validateGreaterThan($inputName, $ruleName, array $ruleArgs) {
+			$inputVal = $this->post($inputName);
+			if ($inputVal <= $ruleArgs[1]) {
+				if (! $this->_fieldIsRequired($inputName) && empty($this->data[$inputName])) {
+					return;
+				}
+				$this->_setError($inputName, $ruleName, array($this->_getLabel($inputName), $this->_getLabel($ruleArgs[1])));
+			}
+		}
     	
-        /**
-         * Peform validation for the rule "numeric"
-         * @param  string $inputName the form field or data key name used
-         * @param  string $ruleName  the rule name for this validation ("numeric")
-         * @param  array  $ruleArgs  the rules argument
-         */
-    	protected function _validateNumeric($inputName, $ruleName, array $ruleArgs) {
-            $inputVal = $this->post($inputName);
-            if (! is_numeric($inputVal)) {
-                if (! $this->_fieldIsRequired($inputName) && empty($this->data[$inputName])) {
-                    return;
-                }
-                $this->_setError($inputName, $ruleName, array($this->_getLabel($inputName)));
-            }
-        }
+		/**
+		 * Peform validation for the rule "numeric"
+		 * @param  string $inputName the form field or data key name used
+		 * @param  string $ruleName  the rule name for this validation ("numeric")
+		 * @param  array  $ruleArgs  the rules argument
+		 */
+		protected function _validateNumeric($inputName, $ruleName, array $ruleArgs) {
+			$inputVal = $this->post($inputName);
+			if (! is_numeric($inputVal)) {
+				if (! $this->_fieldIsRequired($inputName) && empty($this->data[$inputName])) {
+					return;
+				}
+				$this->_setError($inputName, $ruleName, array($this->_getLabel($inputName)));
+			}
+		}
 		
-        /**
-         * Peform validation for the rule "exists"
-         * @param  string $inputName the form field or data key name used
-         * @param  string $ruleName  the rule name for this validation ("exists")
-         * @param  array  $ruleArgs  the rules argument
-         */
+		/**
+		 * Peform validation for the rule "exists"
+		 * @param  string $inputName the form field or data key name used
+		 * @param  string $ruleName  the rule name for this validation ("exists")
+		 * @param  array  $ruleArgs  the rules argument
+		 */
 		protected function _validateExists($inputName, $ruleName, array $ruleArgs) {
-            $inputVal = $this->post($inputName);
-    		$obj = & get_instance();
-    		if(! isset($obj->database)){
-    			return;
-    		}
-    		list($table, $column) = explode('.', $ruleArgs[1]);
-    		$obj->database->from($table)
-    			          ->where($column, $inputVal)
-    			          ->get();
-    		$nb = $obj->database->numRows();
-            if ($nb == 0) {
-                if (! $this->_fieldIsRequired($inputName) && empty($this->data[$inputName])) {
-                    return;
-                }
-                $this->_setError($inputName, $ruleName, array($this->_getLabel($inputName)));
-            }
-        }
-
-        /**
-         * Peform validation for the rule "is_unique"
-         * @param  string $inputName the form field or data key name used
-         * @param  string $ruleName  the rule name for this validation ("is_unique")
-         * @param  array  $ruleArgs  the rules argument
-         */
-    	protected function _validateIsUnique($inputName, $ruleName, array $ruleArgs) {
-            $inputVal = $this->post($inputName);
-    		$obj = & get_instance();
-    		if(! isset($obj->database)){
-    			return;
-    		}
-    		list($table, $column) = explode('.', $ruleArgs[1]);
-    		$obj->database->from($table)
-    			          ->where($column, $inputVal)
-    			          ->get();
-    		$nb = $obj->database->numRows();
-            if ($nb != 0) {
-                if (! $this->_fieldIsRequired($inputName) && empty($this->data[$inputName])) {
-                    return;
-                }
-                $this->_setError($inputName, $ruleName, array($this->_getLabel($inputName)));
-            }
-        }
+			$inputVal = $this->post($inputName);
+			$obj = & get_instance();
+			if(! isset($obj->database)){
+				return;
+			}
+			list($table, $column) = explode('.', $ruleArgs[1]);
+			$obj->database->from($table)
+						  ->where($column, $inputVal)
+						  ->get();
+			$nb = $obj->database->numRows();
+			if ($nb == 0) {
+				if (! $this->_fieldIsRequired($inputName) && empty($this->data[$inputName])) {
+					return;
+				}
+				$this->_setError($inputName, $ruleName, array($this->_getLabel($inputName)));
+			}
+		}
+
+		/**
+		 * Peform validation for the rule "is_unique"
+		 * @param  string $inputName the form field or data key name used
+		 * @param  string $ruleName  the rule name for this validation ("is_unique")
+		 * @param  array  $ruleArgs  the rules argument
+		 */
+		protected function _validateIsUnique($inputName, $ruleName, array $ruleArgs) {
+			$inputVal = $this->post($inputName);
+			$obj = & get_instance();
+			if(! isset($obj->database)){
+				return;
+			}
+			list($table, $column) = explode('.', $ruleArgs[1]);
+			$obj->database->from($table)
+						  ->where($column, $inputVal)
+						  ->get();
+			$nb = $obj->database->numRows();
+			if ($nb != 0) {
+				if (! $this->_fieldIsRequired($inputName) && empty($this->data[$inputName])) {
+					return;
+				}
+				$this->_setError($inputName, $ruleName, array($this->_getLabel($inputName)));
+			}
+		}
     	
-        /**
-         * Peform validation for the rule "is_unique_update"
-         * @param  string $inputName the form field or data key name used
-         * @param  string $ruleName  the rule name for this validation ("is_unique_update")
-         * @param  array  $ruleArgs  the rules argument
-         */
-    	protected function _validateIsUniqueUpdate($inputName, $ruleName, array $ruleArgs) {
-            $inputVal = $this->post($inputName);
-    		$obj = & get_instance();
-    		if(! isset($obj->database)){
-    			return;
-    		}
-    		$data = explode(',', $ruleArgs[1]);
-    		if(count($data) < 2){
-    			return;
-    		}
-    		list($table, $column) = explode('.', $data[0]);
-    		list($field, $val) = explode('=', $data[1]);
-    		$obj->database->from($table)
-    			          ->where($column, $inputVal)
-                		  ->where($field, '!=', trim($val))
-                		  ->get();
-    		$nb = $obj->database->numRows();
-            if ($nb != 0) {
-                if (! $this->_fieldIsRequired($inputName) && empty($this->data[$inputName])) {
-                    return;
-                }
-                $this->_setError($inputName, $ruleName, array($this->_getLabel($inputName)));
-            }
-        }
-
-        /**
-         * Peform validation for the rule "in_list"
-         * @param  string $inputName the form field or data key name used
-         * @param  string $ruleName  the rule name for this validation ("in_list")
-         * @param  array  $ruleArgs  the rules argument
-         */
-        protected function _validateInList($inputName, $ruleName, array $ruleArgs) {
-            $inputVal = $this->post($inputName);
-    		$list = explode(',', $ruleArgs[1]);
-            $list = array_map('trim', $list);
-            if (! in_array($inputVal, $list)) {
-                if (! $this->_fieldIsRequired($inputName) && empty($this->data[$inputName])) {
-                    return;
-                }
-                $this->_setError($inputName, $ruleName, array($this->_getLabel($inputName), $this->_getLabel($ruleArgs[1])));
-            }
-        }
-
-        /**
-         * Peform validation for the rule "regex"
-         * @param  string $inputName the form field or data key name used
-         * @param  string $ruleName  the rule name for this validation ("regex")
-         * @param  array  $ruleArgs  the rules argument
-         */
-        protected function _validateRegex($inputName, $ruleName, array $ruleArgs) {
-            $inputVal = $this->post($inputName);
-    		$regex = $ruleArgs[1];
-            if (! preg_match($regex, $inputVal)) {
-                if (! $this->_fieldIsRequired($inputName) && empty($this->data[$inputName])) {
-                    return;
-                }
-                $this->_setError($inputName, $ruleName, array($this->_getLabel($inputName)));
-            }
-        }
+		/**
+		 * Peform validation for the rule "is_unique_update"
+		 * @param  string $inputName the form field or data key name used
+		 * @param  string $ruleName  the rule name for this validation ("is_unique_update")
+		 * @param  array  $ruleArgs  the rules argument
+		 */
+		protected function _validateIsUniqueUpdate($inputName, $ruleName, array $ruleArgs) {
+			$inputVal = $this->post($inputName);
+			$obj = & get_instance();
+			if(! isset($obj->database)){
+				return;
+			}
+			$data = explode(',', $ruleArgs[1]);
+			if(count($data) < 2){
+				return;
+			}
+			list($table, $column) = explode('.', $data[0]);
+			list($field, $val) = explode('=', $data[1]);
+			$obj->database->from($table)
+						  ->where($column, $inputVal)
+						  ->where($field, '!=', trim($val))
+						  ->get();
+			$nb = $obj->database->numRows();
+			if ($nb != 0) {
+				if (! $this->_fieldIsRequired($inputName) && empty($this->data[$inputName])) {
+					return;
+				}
+				$this->_setError($inputName, $ruleName, array($this->_getLabel($inputName)));
+			}
+		}
+
+		/**
+		 * Peform validation for the rule "in_list"
+		 * @param  string $inputName the form field or data key name used
+		 * @param  string $ruleName  the rule name for this validation ("in_list")
+		 * @param  array  $ruleArgs  the rules argument
+		 */
+		protected function _validateInList($inputName, $ruleName, array $ruleArgs) {
+			$inputVal = $this->post($inputName);
+			$list = explode(',', $ruleArgs[1]);
+			$list = array_map('trim', $list);
+			if (! in_array($inputVal, $list)) {
+				if (! $this->_fieldIsRequired($inputName) && empty($this->data[$inputName])) {
+					return;
+				}
+				$this->_setError($inputName, $ruleName, array($this->_getLabel($inputName), $this->_getLabel($ruleArgs[1])));
+			}
+		}
+
+		/**
+		 * Peform validation for the rule "regex"
+		 * @param  string $inputName the form field or data key name used
+		 * @param  string $ruleName  the rule name for this validation ("regex")
+		 * @param  array  $ruleArgs  the rules argument
+		 */
+		protected function _validateRegex($inputName, $ruleName, array $ruleArgs) {
+			$inputVal = $this->post($inputName);
+			$regex = $ruleArgs[1];
+			if (! preg_match($regex, $inputVal)) {
+				if (! $this->_fieldIsRequired($inputName) && empty($this->data[$inputName])) {
+					return;
+				}
+				$this->_setError($inputName, $ruleName, array($this->_getLabel($inputName)));
+			}
+		}
         
-    }
+	}