(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
bind_textdomain_codeset — Specify or get the character encoding in which the messages from the DOMAIN message catalog will be returned
$domain, ?string $codeset): string|false
   bind_textdomain_codeset() allows to set or get the
   encoding in which messages from domain will be returned by
   gettext() and similar functions.
  
domainThe domain.
codeset
       The code set.
       If null, the currently set encoding is returned.
      
A string on success.
| 版本 | 说明 | 
|---|---|
| 8.0.3 | codesetis nullable now.
       Previously, it was not possible to retrieve the currently set encoding. | 
注意:
The bind_textdomain_codeset() information is maintained per process, not per thread.