close
<?php
$con=mysqli_connect("localhost","my_user","my_password","my_db");
// 檢查連接
if (mysqli_connect_errno())
{
echo "Failed to connect to MySQL: " . mysqli_connect_error();
}
//全部重置,並選擇一個新的數據庫
mysqli_change_user($con, "my_user", "my_password", "my_test");
mysqli_close($con);
?>
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