PHP 7.0.0 RC 8 Released


(PHP 4 >= 4.0.3, PHP 5)

pg_client_encoding Gets the client encoding


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.


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().



PostgreSQL database connection resource. When connection is not present, the default connection is used. The default connection is the last connection made by pg_connect() or pg_pconnect().

Return Values

The client encoding, or FALSE on error.


Example #1 pg_client_encoding() example

// Assume $conn is a connection to a ISO-8859-1 database
$encoding pg_client_encoding($conn);

"Client encoding is: "$encoding"\n";

The above example will output:

Client encoding is: ISO-8859-1

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