PHP & MySQL Warning: mysqli_connect() [function.mysqli-connect]: (HY000/2005): Unknown MySQL server host -


okay when go web page following error below when reload page okay , displayed fine. problem , how can fix it?

error.

warning: mysqli_connect() [function.mysqli-connect]: (hy000/2005): unknown mysql server host

mysql code.

$mysqli = mysqli_connect("example.com", "avd", "password", "avd");

server/port combination invalid, can't resolved, or port bad.


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