PHP code for usage validation class

php-Validation-class-structure-usage

$config = array();
$config['array_to_validate'] 	= $_POST or array_need_to_validate;
$config['email'] 				= "email,forgot_email";
$config['required']				= "date_birth,phone,mobile";
$config['numeric']				= "mobile";
$config['positive_numeric']		= "positive_number";
$config['positive_integer']		= "positive_integer";
$config['url']					= "url";
$config['alpha']				= "name";
$config['alphanumeric']			= "user_password";


Now its some thing different because this validation the database. field_name means provide the textbox name or element that need to validation.

$config['unique_from_table']	= array(
										array(
											'field_name' =>'',
											'table_name' =>'user',
											'table_field'=>'username'
										),
										array(
											'field_name' =>'',
											'table_name' =>'users',
											'table_field'=>'username'
										),
									);
$config['compare']					= array(
										array(
											'field_name' =>'username',
											'compare_field_name' =>'firstname',
										),
										array(
											'field_name' =>'lastname',
											'compare_field_name' =>'firstname'
										)
									);
$config['min_character_limit']		= array(
										array(
											'field_name' =>'username',
											'no_of_character' =>'20',
										),
										array(
											'field_name' =>'lastname',
											'no_of_character' =>'30'
										)
									);
$config['max_character_limit']		= array(
										array(
											'field_name' =>'username',
											'no_of_character' =>'20',
										),
										array(
											'field_name' =>'lastname',
											'no_of_character' =>'30'
										)
									);
$error = $my_validator->process_validation();