(PHP 4 >= 4.0.3, PHP 5, PHP 7)
pg_set_client_encoding — Set the client encoding
pg_set_client_encoding ([ resource $connection ], string $encoding ) : int
pg_set_client_encoding() sets the client encoding and returns 0 if success or -1 if error.
PostgreSQL will automatically convert data in the backend database encoding into the frontend encoding.
Note:
The function used to be called pg_setclientencoding().
connection
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().
encoding
The required client encoding. One of SQL_ASCII, EUC_JP, EUC_CN, EUC_KR, EUC_TW, UNICODE, MULE_INTERNAL, LATINX (X=1...9), KOI8, WIN, ALT, SJIS, BIG5 or WIN1250.
The exact list of available encodings depends on your PostgreSQL version, so check your PostgreSQL manual for a more specific list.
Returns 0 on success or -1 on error.
Example #1 pg_set_client_encoding() example
<?php
$conn = pg_pconnect("dbname=publisher");
if (!$conn) {
echo "An error occurred.\n";
exit;
}
// Set the client encoding to UNICODE. Data will be automatically
// converted from the backend encoding to the frontend.
pg_set_client_encoding($conn, "UNICODE");
$result = pg_query($conn, "SELECT author, email FROM authors");
if (!$result) {
echo "An error occurred.\n";
exit;
}
// Write out UTF-8 data
while ($row = pg_fetch_row($result)) {
echo "Author: $row[0] E-mail: $row[1]";
echo "<br />\n";
}
?>
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https://www.php.net/manual/en/function.pg-set-client-encoding.php