stream_encoding(3) php man page | unix.com

STREAM_ENCODING(3)							 1							STREAM_ENCODING(3)

stream_encoding - Set character set for stream encoding

SYNOPSIS
       bool stream_encoding (resource  $stream, [string  $encoding])

DESCRIPTION
       Warning

	      This function is currently not documented; only its argument list is available.

PHP Documentation Group 													STREAM_ENCODING(3)