string pg_client_encoding ([ resource $connection ] )
PostgreSQL supports automatic character set conversion between server and client for certain character sets. pg_client_encoding() returns the client encoding as a string. The returned string will be one of the standard PostgreSQL encoding identifiers. Note: This function requires PHP 4.0.3 or higher and PostgreSQL 7.0 or higher. If libpq is compiled without multibyte encoding support, pg_client_encoding() always returns SQL_ASCII. Supported encoding depends on PostgreSQL version. Refer to the PostgreSQL Documentation supported encodings. The function used to be called pg_clientencoding().
The client encoding, or FALSE on error.