function FunctionDuplicateArgumentSniff::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/Squiz/Sniffs/Functions/FunctionDuplicateArgumentSniff.php, line 40

Class

FunctionDuplicateArgumentSniff

Namespace

PHP_CodeSniffer\Standards\Squiz\Sniffs\Functions

Code

public function process(File $phpcsFile, $stackPtr) {
    $tokens = $phpcsFile->getTokens();
    $openBracket = $tokens[$stackPtr]['parenthesis_opener'];
    $closeBracket = $tokens[$stackPtr]['parenthesis_closer'];
    $foundVariables = [];
    for ($i = $openBracket + 1; $i < $closeBracket; $i++) {
        if ($tokens[$i]['code'] === T_VARIABLE) {
            $variable = $tokens[$i]['content'];
            if (in_array($variable, $foundVariables, true) === true) {
                $error = 'Variable "%s" appears more than once in function declaration';
                $data = [
                    $variable,
                ];
                $phpcsFile->addError($error, $i, 'Found', $data);
            }
            else {
                $foundVariables[] = $variable;
            }
        }
    }
}