WordPress/PHPCSHelper.php
public static function get_tab_width( File $phpcsFile ) {
		$tab_width = 4;

		if ( isset( $phpcsFile->config->tabWidth ) && $phpcsFile->config->tabWidth > 0 ) {
			$tab_width = $phpcsFile->config->tabWidth;
		}

		return $tab_width;
	}
public static function get_tab_width( File $phpcsFile ) {
		$tab_width = 4;

		if ( isset( $phpcsFile->config->tabWidth ) && $phpcsFile->config->tabWidth > 0 ) {
			$tab_width = $phpcsFile->config->tabWidth;
		}

		return $tab_width;
	}
Get the tab width as passed to PHPCS from the command-line or the ruleset.

@since 0.13.0

@param \PHP_CodeSniffer\Files\File $phpcsFile The file being processed.

@return int Tab width. Defaults to 4.