pharext\PackageInfo::findPackageName PHP Method

    private function findPackageName($path, &$header = null)
    {
        $grep_res = (new ExecCmd("grep"))->run(array_merge(["-HEo", "phpext_[^ ]+_ptr"], explode("\n", (new ExecCmd("find"))->run([$path, "-type", "f", "-name", "php_*.h"])->getOutput())))->getOutput();
        if (!(list($header, $phpext_ptr) = explode(":", $grep_res))) {
            return [];
        }
        if (!($name = substr($phpext_ptr, 7, -4))) {
            return [];
        }
        return $name;
    }