- Output for 8.1.0 - 8.1.15, 8.2.0 - 8.2.2
- string(4) "?" bool(false) string(6) "3ff9cb"
- Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.27
- string(4) "" bool(false) string(6) "7ff9cb"
<?php
var_dump(
$conv = mb_convert_encoding(
$bin = hex2bin("fe7ff9cb"),
"UTF-8",
"CP936"
),
mb_check_encoding($bin, "CP936"),
bin2hex(mb_convert_encoding($conv, "CP936", "UTF-8"))
);