final static public function getMappedField($propertyName) {
		
		$binds = static::getBinds();
		return isset($binds[$propertyName]) ? $binds[$propertyName] : NULL;
		
	}
final static public function getMappedField($propertyName) {
		
		$binds = static::getBinds();
		return isset($binds[$propertyName]) ? $binds[$propertyName] : NULL;
		
	}
final static public function getMappedField ( $ propertyName ) { $ binds = static :: getBinds ( ) ; return isset ( $ binds [ $ propertyName ] ) ? $ binds [ $ propertyName ] : NULL ; }
Get the name of db field mapped by a class property. NULL if not found.

@param	string	Property name.

@return	NULL|string
Get the name of db field mapped by a class property . NULL if not found .