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<?php
/**
* FunctionToken.php
*
* @date 28.03.2015 2:47:36
* @copyright Sklyarov Alexey <[email protected]>
*/
namespace Sufir\Calc\Token;
* FunctionToken
* Description of FunctionToken
* @author Sklyarov Alexey <[email protected]>
* @package Sufir\Calc\Token
final class FunctionToken extends AbstractToken
{
* @param string $value
* @return string
protected function sanitize($value)
return strtolower($value);
}
* @return boolean
public static function validate($value)
return !!preg_match("/^[a-zA-Z]{1}[a-zA-Z0-9\_]*$/i", $value);