src/Service/validateService.php
public function greaterThan($value, $min)
    {
        $this->errorMessage = null;
        require_once 'Zend/Validate/GreaterThan.php';
        $validator = new \Zend_Validate_GreaterThan($min);
        $result = $validator->isValid($value);
        if (!$result) {
            $this->errorMessage = MessageHelper::getMessage("VALIDATESVC_GREATER_THAN", array($this->fieldNameMask, $min));
        }
        return $result;
    }
public function greaterThan($value, $min)
    {
        $this->errorMessage = null;
        require_once 'Zend/Validate/GreaterThan.php';
        $validator = new \Zend_Validate_GreaterThan($min);
        $result = $validator->isValid($value);
        if (!$result) {
            $this->errorMessage = MessageHelper::getMessage("VALIDATESVC_GREATER_THAN", array($this->fieldNameMask, $min));
        }
        return $result;
    }
Built-in \Zend greater than check.  Returns true if and only if $value is greater than the minimum boundary.

@param integer $value
@param integer $min
@return boolean Valid?