PHP怎样连接Oracle-PHP教程,网络相关

$orauser="username";

$orapass="password";

$oradb="(description=(address_list=(address=(protocol=tcp)(host=数据库ip)(port=1521)))(connect_data=(sid=数据库sid)))";

$conn = ocilogon($orauser,$orapass,$oradb) or die( "oracle server未启动,请与系统管理员联系.");