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<?php
IncludeModuleLangFile(__FILE__);
class CFormValidatorNumber
{
public static function GetDescription()
{
return array(
"NAME" => "number", // validator string ID
"DESCRIPTION" => GetMessage("FORM_VALIDATOR_VAL_NUM_DESCRIPTION"), // validator description
"TYPES" => array("text", "textarea"), // list of types validator can be applied.
"HANDLER" => array("CFormValidatorNumber", "DoValidate") // main validation method
);
}
public static function DoValidate($arParams, $arQuestion, $arAnswers, $arValues)
{
global $APPLICATION;
$prepared = [];
foreach ($arValues as $value)
{
if (is_int($value))
{
continue;
}
elseif (is_string($value))
{
// empty string is not a number but we won't return error - crossing with "required" mark
if ($value != "")
{
if (!preg_match('/^(-)?[0-9]+$/', $value, $prepared))
{
$APPLICATION->ThrowException(GetMessage("FORM_VALIDATOR_VAL_NUM_ERROR"));
return false;
}
}
}
else
{
$APPLICATION->ThrowException(GetMessage("FORM_VALIDATOR_VAL_NUM_ERROR"));
return false;
}
}
return true;
}
}
AddEventHandler("form", "onFormValidatorBuildList", array("CFormValidatorNumber", "GetDescription"));