function AssignmentInConditionSniff::process

Same name in this branch

1. 11.1.x vendor/slevomat/coding-standard/SlevomatCodingStandard/Sniffs/ControlStructures/AssignmentInConditionSniff.php \SlevomatCodingStandard\Sniffs\ControlStructures\AssignmentInConditionSniff::process()

Processes this test, when one of its tokens is encountered.

Parameters

\PHP_CodeSniffer\Files\File $phpcsFile The file being scanned.:

int $stackPtr The position of the current token: in the stack passed in $tokens.

Return value

void

Overrides Sniff::process

File

vendor/squizlabs/php_codesniffer/src/Standards/Generic/Sniffs/CodeAnalysis/AssignmentInConditionSniff.php, line 78

Class

AssignmentInConditionSniff

Namespace

PHP_CodeSniffer\Standards\Generic\Sniffs\CodeAnalysis

Code

public function process(File $phpcsFile, $stackPtr) {
    $tokens = $phpcsFile->getTokens();
    $token = $tokens[$stackPtr];
    // Find the condition opener/closer.
    if ($token['code'] === T_FOR) {
        if (isset($token['parenthesis_opener'], $token['parenthesis_closer']) === false) {
            return;
        }
        $semicolon = $phpcsFile->findNext(T_SEMICOLON, $token['parenthesis_opener'] + 1, $token['parenthesis_closer']);
        if ($semicolon === false) {
            return;
        }
        $opener = $semicolon;
        $semicolon = $phpcsFile->findNext(T_SEMICOLON, $opener + 1, $token['parenthesis_closer']);
        if ($semicolon === false) {
            return;
        }
        $closer = $semicolon;
        unset($semicolon);
    }
    else {
        if ($token['code'] === T_CASE) {
            if (isset($token['scope_opener']) === false) {
                return;
            }
            $opener = $stackPtr;
            $closer = $token['scope_opener'];
        }
        else {
            if (isset($token['parenthesis_opener'], $token['parenthesis_closer']) === false) {
                return;
            }
            $opener = $token['parenthesis_opener'];
            $closer = $token['parenthesis_closer'];
        }
    }
    
    //end if
    $startPos = $opener;
    do {
        $hasAssignment = $phpcsFile->findNext($this->assignmentTokens, $startPos + 1, $closer);
        if ($hasAssignment === false) {
            return;
        }
        // Examine whether the left side is a variable.
        $hasVariable = false;
        $conditionStart = $startPos;
        $altConditionStart = $phpcsFile->findPrevious($this->conditionStartTokens, $hasAssignment - 1, $startPos);
        if ($altConditionStart !== false) {
            $conditionStart = $altConditionStart;
        }
        for ($i = $hasAssignment; $i > $conditionStart; $i--) {
            if (isset(Tokens::$emptyTokens[$tokens[$i]['code']]) === true) {
                continue;
            }
            // If this is a variable or array, we've seen all we need to see.
            if ($tokens[$i]['code'] === T_VARIABLE || $tokens[$i]['code'] === T_CLOSE_SQUARE_BRACKET) {
                $hasVariable = true;
                break;
            }
            // If this is a function call or something, we are OK.
            if ($tokens[$i]['code'] === T_CLOSE_PARENTHESIS) {
                break;
            }
        }
        if ($hasVariable === true) {
            $errorCode = 'Found';
            if ($token['code'] === T_WHILE) {
                $errorCode = 'FoundInWhileCondition';
            }
            $phpcsFile->addWarning('Variable assignment found within a condition. Did you mean to do a comparison ?', $hasAssignment, $errorCode);
        }
        $startPos = $hasAssignment;
    } while ($startPos < $closer);
}