Warning: mysqli_select_db() expects parameter 1 to be mysqli, bool given

Asked Mar 12 '21 at 19:36

Active Mar 12 '21 at 19:48

Viewed 26 times

When trying to connect to my DB in localhost I receive these errors:

Warning: mysqli_select_db() expects parameter 1 to be mysqli, bool given in C:\xampp\htdocs\A-14\01.php on line 10

Warning: mysqli_error() expects parameter 1 to be mysqli, bool given in C:\xampp\htdocs\A-14\01.php on line 10

And these are connection steps, it's get problematic in the second step when I put my DB's name in:

$dblink = mysqli_connect('localhost','root','') || die(mysqli_connect_error());

mysqli_select_db($dblink , "tst") or die(mysqli_error($dblink));

mysqli_query($dblink , "SET NAMES 'UTF8'");

What should I do?

edited Mar 12 '21 at 19:48

Dharman

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asked Mar 12 '21 at 19:36

Masoud Mirmohammadi

Kindly, share the php code that you have done so far – dev_mustafa Mar 12 '21 at 19:39
Remove `|| die(mysqli_connect_error())` – Dharman Mar 12 '21 at 19:48
PHP manual doesn't bite: https://www.php.net/manual/en/mysqli.construct.php – Dharman Mar 12 '21 at 19:49
Thank evryone the answer was writng: 'or' istet of '||' in first line $dblink = mysqli_connect('localhost','root','') || die(mysqli_connect_error()); – Masoud Mirmohammadi May 04 '21 at 10:31

Warning: mysqli_select_db() expects parameter 1 to be mysqli, bool given

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