array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'en', ), 'this' => array ( 0 => 'function.pg-port.php', 1 => 'pg_port', ), 'up' => array ( 0 => 'ref.pgsql.php', 1 => 'PostgreSQL Functions', ), 'prev' => array ( 0 => 'function.pg-ping.php', 1 => 'pg_ping', ), 'next' => array ( 0 => 'function.pg-prepare.php', 1 => 'pg_prepare', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'en', 'path' => 'reference/pgsql/functions/pg-port.xml', ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); ?>
(PHP 4, PHP 5, PHP 7, PHP 8)
pg_port — Return the port number associated with the connection
pg_port() returns the port number that the
given PostgreSQL connection
instance is
connected to.
connection
An PgSql\Connection instance.
When connection
is null
, the default connection is used.
The default connection is the last connection made by pg_connect()
or pg_pconnect().
As of PHP 8.1.0, using the default connection is deprecated.
A string containing the port number of the database
server the connection
is to,
or empty string on error.
Version | Description |
---|---|
8.1.0 |
The connection parameter expects an PgSql\Connection
instance now; previously, a resource was expected.
|
8.0.0 |
connection is now nullable.
|
Example #1 pg_port() example
<?php
$pgsql_conn = pg_connect("dbname=mark host=localhost");
if ($pgsql_conn) {
print "Successfully connected to port: " . pg_port($pgsql_conn) . "<br/>\n";
} else {
print pg_last_error($pgsql_conn);
exit;
}
?>