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<?php
/**
* @see https://github.com/laminas/laminas-i18n for the canonical source repository
* @copyright https://github.com/laminas/laminas-i18n/blob/master/COPYRIGHT.md
* @license https://github.com/laminas/laminas-i18n/blob/master/LICENSE.md New BSD License
*/
namespace Laminas\I18n\Validator;
use Laminas\I18n\Filter\Alnum as AlnumFilter;
use Laminas\Validator\AbstractValidator;
class Alnum extends AbstractValidator
{
const INVALID = 'alnumInvalid';
const NOT_ALNUM = 'notAlnum';
const STRING_EMPTY = 'alnumStringEmpty';
/**
* Alphanumeric filter used for validation
*
* @var AlnumFilter
*/
protected static $filter;
/**
* Validation failure message template definitions
*
* @var string[]
*/
protected $messageTemplates = [
self::INVALID => 'Invalid type given. String, integer or float expected',
self::NOT_ALNUM => 'The input contains characters which are non alphabetic and no digits',
self::STRING_EMPTY => 'The input is an empty string',
];
/**
* Options for this validator
*
* @var array
*/
protected $options = [
'allowWhiteSpace' => false, // Whether to allow white space characters; off by default
];
/**
* Sets default option values for this instance
*
* @param array|bool $allowWhiteSpace
*/
public function __construct($allowWhiteSpace = false)
{
$options = is_array($allowWhiteSpace) ? $allowWhiteSpace : null;
parent::__construct($options);
if (is_scalar($allowWhiteSpace)) {
$this->options['allowWhiteSpace'] = (bool) $allowWhiteSpace;
}
}
/**
* Returns the allowWhiteSpace option
*
* @return bool
*/
public function getAllowWhiteSpace()
{
return $this->options['allowWhiteSpace'];
}
/**
* Sets the allowWhiteSpace option
*
* @param bool $allowWhiteSpace
* @return $this
*/
public function setAllowWhiteSpace($allowWhiteSpace)
{
$this->options['allowWhiteSpace'] = (bool) $allowWhiteSpace;
return $this;
}
/**
* Returns true if and only if $value contains only alphabetic and digit characters
*
* @param int|float|string $value
* @return bool
*/
public function isValid($value)
{
if (! is_string($value) && ! is_int($value) && ! is_float($value)) {
$this->error(self::INVALID);
return false;
}
$this->setValue($value);
if ('' === $value) {
$this->error(self::STRING_EMPTY);
return false;
}
if (null === static::$filter) {
static::$filter = new AlnumFilter();
}
static::$filter->setAllowWhiteSpace($this->options['allowWhiteSpace']);
if ($value != static::$filter->filter($value)) {
$this->error(self::NOT_ALNUM);
return false;
}
return true;
}
}