<?php
/**
* PHPCompatibility, an external standard for PHP_CodeSniffer.
*
* @package PHPCompatibility
* @copyright 2012-2019 PHPCompatibility Contributors
* @license https://opensource.org/licenses/LGPL-3.0 LGPL3
* @link https://github.com/PHPCompatibility/PHPCompatibility
*/
namespace PHPCompatibility\Sniffs\Syntax;
use PHPCompatibility\Sniff;
use PHP_CodeSniffer_File as File;
use PHP_CodeSniffer_Tokens as Tokens;
/**
* Detect the use of assigning the return value of `new` by reference.
*
* This syntax has been deprecated since PHP 5.3 and removed in PHP 7.0.
*
* PHP version 5.3
* PHP version 7.0
*
* @link https://wiki.php.net/rfc/remove_deprecated_functionality_in_php7
*
* @since 5.5
* @since 9.0.0 Renamed from `DeprecatedNewReferenceSniff` to `RemovedNewReferenceSniff`.
*/
class RemovedNewReferenceSniff extends Sniff
{
/**
* Returns an array of tokens this test wants to listen for.
*
* @since 5.5
*
* @return array
*/
public function register()
{
return array(\T_NEW);
}
/**
* Processes this test, when one of its tokens is encountered.
*
* @since 5.5
*
* @param \PHP_CodeSniffer_File $phpcsFile The file being scanned.
* @param int $stackPtr The position of the current token in the
* stack passed in $tokens.
*
* @return void
*/
public function process(File $phpcsFile, $stackPtr)
{
if ($this->supportsAbove('5.3') === false) {
return;
}
$tokens = $phpcsFile->getTokens();
$prevNonEmpty = $phpcsFile->findPrevious(Tokens::$emptyTokens, ($stackPtr - 1), null, true);
if ($prevNonEmpty === false || $tokens[$prevNonEmpty]['type'] !== 'T_BITWISE_AND') {
return;
}
$error = 'Assigning the return value of new by reference is deprecated in PHP 5.3';
$isError = false;
$errorCode = 'Deprecated';
if ($this->supportsAbove('7.0') === true) {
$error .= ' and has been removed in PHP 7.0';
$isError = true;
$errorCode = 'Removed';
}
$this->addMessage($phpcsFile, $error, $stackPtr, $isError, $errorCode);
}
}