BitWasp\Test\Bech32\Util::witnessProgram()

Complexity

Conditions	4
Paths	1

Size

Total Lines	10
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
    public static function witnessProgram($version, $program)
    {
        if ($version < 0 || $version > 16) {
            throw new \RuntimeException("Invalid version for witness program");
        }

        $version = pack("C", ($version > 0 ? (0x50 + $version) : 0));
        $length = pack("C", strlen($program));

        return unpack("H*", "{$version}{$length}{$program}")[1];
    }