PHP ʖ²ἯTH º󍋼/A pg_connect =ד 1. ʹӃ pg_connect ?php $dbconn = pg_connect ("dbname=mary"); //connect to a database named "mary" $dbconn2 = pg_connect ("host=localhost port=5432 dbname=mary"); // connect to a database named "mary" on "localhost" at port "5432" $dbconn3 = pg_connect ("host=sheep port=5432 dbname=mary user=lamb password=foo"); //connect to a database named "mary" on the host "sheep" with a username and password $conn_string = "host=sheep port=5432 dbname=test user=lamb password=bar"; $dbconn4 = pg_connect ($conn_string); //connect to a database named "test" on the host "sheep" with a username and password? ¾ɵĶಎʽӯ·¨ $conn = pg_connect ("host", "port", "options", "tty", "dbname") ґ¾­²»̡³«ʹӃ¡£ º󍋼/A ưµ㼯A pg_close ɏһ¼¶ pg_connection_busy