# LessThan

`Zend_Validate_LessThan` allows you to validate if a given value is less than a maximum border value. It is the cousine of `Zend_Validate_GreaterThan`.

## Zend_Validate_LessThan supports only number validation

It should be noted that `Zend_Validate_LessThan` supports only the validation of numbers. Strings or dates can not be validated with this validator.

## Supported options for Zend_Validate_LessThan

The following options are supported for `Zend_Validate_LessThan`:

- max: Sets the maximum allowed value.

## Basic usage

To validate if a given value is less than a defined border simply use the following example.

    $valid  = new Zend_Validate_LessThan(array('max' => 10));
    $value  = 10;
    $return = $valid->isValid($value);
    // returns true

The above example returns `TRUE` for all values which are equal to 10 or lower than 10.