Warning mysqli error expects exactly 1 parameter 0 given error

Question

I get the following error       Warning  mysqli error   expects exactly 1 parameter  0 given    The problem is with this line of the code    query   mysqli query  myConnection   sqlCommand  or die  mysqli error        The whole code is  session start     require once  scripts connect to mysql2 php      Build Main Navigation menu and gather page data here   sqlCommand    SELECT id  linklabel FROM pages ORDER BY pageorder ASC     query   mysqli query  myConnection   sqlCommand  or die  mysqli error        menuDisplay       while   row   mysqli fetch array  query           pid    row  id         linklabel    row  linklabel          menuDisplay      lt a href  index php pid      pid      gt      linklabel     lt  a gt  lt br   gt        mysqli free result  query      The included file has the following line   myConnection   mysqli connect   db host    db username    db pass    db name   or die   could not connect to mysql    with reference to  myConnection  why do I get this error

User · Answer

Change  die  mysqli error        to  die  Error      mysqli error  myConnection      in the query   query   mysqli query  myConnection   sqlCommand  or die  mysqli error

User · Answer

mysqli error function requires  myConnection as parameters  that s why you get the warning

User · Answer

mysqli error   needs you to pass the connection to the database as a parameter  Documentation here has some helpful examples   http   php net manual en mysqli error php  Try altering your problem line like so and you should be in good shape    query   mysqli query  myConnection   sqlCommand  or die  mysqli error  myConnection

User · Answer

At first  the problem is because you did t put any parameter for mysqli error  I can see that  it has been solved based on the post here  Most probably  the next problem is cause by wrong file path for  the included file      Are you sure this code   myConnection   mysqli connect   db host    db username    db pass    db name   or die   could not connect to mysql      is in the  scripts  folder and your main code file is on the same level as the script folder

[php] Warning: mysqli_error() expects exactly 1 parameter, 0 given error

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