(PHP 7 >= 7.1.0, PHP 8)
sapi_windows_cp_get — Get current codepage
$kind = ""): intGets the current codepage.
kind
The kind of operating system codepage to get,
either 'ansi' or 'oem'.
Any other value refers to the current codepage of the process.
If kind is 'ansi',
the current ANSI code page of the operating system is returned.
If kind is 'oem',
the current OEM code page of the operating system is returned.
Otherwise, the current codepage of the process is returned.