%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
namespace Laminas\I18n\Validator;
use Laminas\I18n\Filter\Alpha as AlphaFilter;
use function is_string;
class Alpha extends Alnum
{
public const INVALID = 'alphaInvalid';
public const NOT_ALPHA = 'notAlpha';
public const STRING_EMPTY = 'alphaStringEmpty';
/**
* Alphabetic filter used for validation
*
* @var AlphaFilter
*/
protected static $filter;
/**
* Validation failure message template definitions
*
* @var string[]
*/
protected $messageTemplates = [
self::INVALID => 'Invalid type given. String expected',
self::NOT_ALPHA => 'The input contains non alphabetic characters',
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
];
/**
* Returns true if and only if $value contains only alphabetic characters
*
* @param string $value
* @return bool
*/
public function isValid($value)
{
if (! is_string($value)) {
$this->error(self::INVALID);
return false;
}
$this->setValue($value);
if ('' === $value) {
$this->error(self::STRING_EMPTY);
return false;
}
if (null === static::$filter) {
static::$filter = new AlphaFilter();
}
//static::$filter->setAllowWhiteSpace($this->allowWhiteSpace);
static::$filter->setAllowWhiteSpace($this->options['allowWhiteSpace']);
if ($value !== static::$filter->filter($value)) {
$this->error(self::NOT_ALPHA);
return false;
}
return true;
}
}
Zerion Mini Shell 1.0