| private hex_to_base64 ( string $str ) : string | ||
| $str | string | (Required) 要转化的字符串 |
| return | string | Base64-encoded string. |
private function hex_to_base64($str)
{
$result = '';
for ($i = 0; $i < strlen($str); $i += 2) {
$result .= chr(hexdec(substr($str, $i, 2)));
}
return base64_encode($result);
}