Automattic\WooCommerce\Vendor\GraphQL\Language

BlockString::getIndentation │ public static │ WC 1.0

Method of the class: BlockString{}

No Hooks.

Returns

null. Nothing (null).

Usage

$result = BlockString::getIndentation( $value ): int;

$value(string) (required)

.

BlockString::getIndentation() BlockString::getIndentation code ^{WC 10.9.1}

public static function getIndentation(string $value): int
{
    $isFirstLine = true;
    $isEmptyLine = true;
    $indent = 0;
    $commonIndent = null;
    $valueLength = mb_strlen($value);

    for ($i = 0; $i < $valueLength; ++$i) {
        switch (Utils::charCodeAt($value, $i)) {
            case 13: //  \r
                if (Utils::charCodeAt($value, $i + 1) === 10) {
                    ++$i; // skip \r\n as one symbol
                }
                // falls through
                // no break
            case 10: //  \n
                $isFirstLine = false;
                $isEmptyLine = true;
                $indent = 0;
                break;
            case 9: //   \t
            case 32: //  <space>
                ++$indent;
                break;
            default:
                if (
                    $isEmptyLine
                    && ! $isFirstLine
                    && ($commonIndent === null || $indent < $commonIndent)
                ) {
                    $commonIndent = $indent;
                }

                $isEmptyLine = false;
        }
    }

    return $commonIndent ?? 0;
}