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4 changes: 2 additions & 2 deletions src/Parser.php
Original file line number Diff line number Diff line change
Expand Up @@ -595,12 +595,12 @@ public function parse()
* Creates a new error log.
*
* @param string $msg the error message
* @param Token $token the token that produced the error
* @param Token|null $token the token that produced the error
* @param int $code the code of the error
*
* @throws ParserException throws the exception, if strict mode is enabled
*/
public function error($msg, Token $token = null, $code = 0)
public function error($msg, ?Token $token = null, $code = 0)
{
$error = new ParserException(
Translator::gettext($msg),
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6 changes: 3 additions & 3 deletions src/Statement.php
Original file line number Diff line number Diff line change
Expand Up @@ -84,10 +84,10 @@ abstract class Statement
/**
* Constructor.
*
* @param Parser $parser the instance that requests parsing
* @param TokensList $list the list of tokens to be parsed
* @param Parser|null $parser the instance that requests parsing
* @param TokensList|null $list the list of tokens to be parsed
*/
public function __construct(Parser $parser = null, TokensList $list = null)
public function __construct(?Parser $parser = null, ?TokensList $list = null)
{
if (($parser !== null) && ($list !== null)) {
$this->parse($parser, $list);
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