snake_case. */ class ValidFieldNameSniff extends AbstractGraphQLSniff { /** * @inheritDoc */ public function register() { return [T_VARIABLE]; } /** * @inheritDoc */ public function process(File $phpcsFile, $stackPtr) { $tokens = $phpcsFile->getTokens(); $name = $tokens[$stackPtr]['content']; if (!$this->isSnakeCase($name)) { $type = 'Field'; $error = '%s name "%s" is not in snake_case format'; $data = [ $type, $name, ]; $phpcsFile->addError($error, $stackPtr, 'NotSnakeCase', $data); $phpcsFile->recordMetric($stackPtr, 'SnakeCase field name', 'no'); } else { $phpcsFile->recordMetric($stackPtr, 'SnakeCase field name', 'yes'); } } }