<?php
/**
* @see https://github.com/laminas/laminas-validator for the canonical source repository
* @copyright https://github.com/laminas/laminas-validator/blob/master/COPYRIGHT.md
* @license https://github.com/laminas/laminas-validator/blob/master/LICENSE.md New BSD License
*/
namespace Laminas\Validator;
class Hex extends AbstractValidator
{
const INVALID = 'hexInvalid';
const NOT_HEX = 'notHex';
/**
* Validation failure message template definitions
*
* @var array
*/
protected $messageTemplates = [
self::INVALID => "Invalid type given. String expected",
self::NOT_HEX => "The input contains non-hexadecimal characters",
];
/**
* Returns true if and only if $value contains only hexadecimal digit characters
*
* @param string $value
* @return bool
*/
public function isValid($value)
{
if (! is_string($value) && ! is_int($value)) {
$this->error(self::INVALID);
return false;
}
$this->setValue($value);
if (! ctype_xdigit((string) $value)) {
$this->error(self::NOT_HEX);
return false;
}
return true;
}
}