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<?php
/**
* parser for regexp match and then substring
*/
namespace xKerman\Restricted;
* Parser that first process regexp match, and then substring the result
class RegexpSubstringParser implements ParserInterface
{
/** @var string $regexp regexp for matching */
private $regexp;
/** @var integer $start start position of substring */
private $start;
/** @var integer $length length of substring (see PHP `substr` manual) */
private $length;
* constructor
*
* @param string $regexp regexp for matching
* @param integer $start start position of substring
* @param integer $length length of substring
public function __construct($regexp, $start, $length)
$this->regexp = $regexp;
$this->start = $start;
$this->length = $length;
}
* parse given `$source` and return substring result
* @param Source $source parser input
* @return array
* @throws UnserializeFailedException
public function parse(Source $source)
$result = $source->match($this->regexp);
return array(substr($result, $this->start, $this->length), $source);
xKerman /
restricted-unserialize
