(PHP 4, PHP 5, PHP 7)
Open persistent Sybase connection
resource sybase_pconnect ([ string $servername [, string $username [, string $password [, string $charset [, string $appname ]]]]] )
sybase_pconnect() acts very much like sybase_connect() with two major differences.
First, when connecting, the function would first try to find a (persistent) link that's already open with the same host, username and password. If one is