(PHP 4, PHP 5, PHP 7)
pg_port — Return the port number associated with the connection
pg_port ([ resource $connection ] ) : int
pg_port() returns the port number that the given PostgreSQL connection
resource is connected to.
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().
An int containing the port number of the database server the connection
is to, or false
on error.
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; } ?>
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https://www.php.net/manual/en/function.pg-port.php