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<?php
/**
* provide parser for length
*/
namespace xKerman\Restricted;
* Parser for length, non-negative integer
class LengthParser implements ParserInterface
{
/** @var ParserInterface $parser internal parser for length */
private $parser;
* constructor
public function __construct()
$this->parser = new NumberLiteralParser();
}
* parse given `$source` as length, non-negative integer
*
* @param Source $source parser input
* @return array
* @throws UnserializeFailedException
public function parse(Source $source)
list($length, $source) = $this->parser->parse($source);
if ($length < 0) {
return $source->triggerError();
return array($length, $source);
xKerman /
restricted-unserialize
