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<?php
/**
* PHPCompatibility_Sniffs_PHP_ForbiddenNegativeBitshift.
*
* PHP version 7.0
* @category PHP
* @package PHPCompatibility
* @author Wim Godden <[email protected]>
*/
* Bitwise shifts by negative number will throw an ArithmeticError in PHP 7.0
class PHPCompatibility_Sniffs_PHP_ForbiddenNegativeBitshiftSniff extends PHPCompatibility_Sniff
{
* If true, an error will be thrown; otherwise a warning.
* @var bool
protected $error = true;
* Returns an array of tokens this test wants to listen for.
* @return array
public function register()
return array(T_SR);
}//end register()
* Processes this test, when one of its tokens is encountered.
* @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(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
if ($this->supportsAbove('7.0')) {
$tokens = $phpcsFile->getTokens();
$nextNumber = $phpcsFile->findNext(T_LNUMBER, $stackPtr, null, false, null, true);
if ($tokens[$nextNumber - 1]['code'] == T_MINUS) {
$error = 'Bitwise shifts by negative number will throw an ArithmeticError in PHP 7.0';
$phpcsFile->addError($error, $nextNumber - 1);
}
}//end process()
}//end class
wimg /
PHPCompatibility
