conn.php

'<' ' ?' 'php '
# FileName="Connection_php_mysql.htm"
# Type="MYSQL"
# HTTP="true"
$hostname_conn = "127.0.0.1";
$database_conn = "joomla";
$username_conn = "root";
$password_conn = "root";
$conn = mysql_pconnect($hostname_conn, $username_conn, $password_conn) or trigger_error(mysql_error(),E_USER_ERROR); ?>

1
通常會放係file Connections 入面 ex: Connections/conn.php

2
只要你係每個 php 個 line 1 , 頭個 2行 打呢2句 就可以 call 返個 db

require_once('../Connections/conn.php'); ../ 係上一個層

mysql_select_db($database_conn, $conn);

../ 係上一個層
呢條path 改返正確就ok