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SQL AND and OR operators

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  • L Offline
    L Offline
    Lucky01
    wrote on 9 Sept 2022, 12:21 last edited by
    #1

    Simply put, I want to know if you can utilize both of them in a PHP code. I had the following idea:

    $sql2 = mysql_query("SELECT * FROM forum WHERE id='$topicsnumber' AND main='0' OR main='1' OR main='2'");   
    while($row=mysql_fetch_array($sql2)) {code in here}
    

    Where id='$topicsnumber' AND (main='0' OR main='1' OR main='2') is the condition under which it is checked. Can this be done? I have referred to this article

    J J 2 Replies Last reply 9 Sept 2022, 12:36
    0
    • L Lucky01
      9 Sept 2022, 12:21

      Simply put, I want to know if you can utilize both of them in a PHP code. I had the following idea:

      $sql2 = mysql_query("SELECT * FROM forum WHERE id='$topicsnumber' AND main='0' OR main='1' OR main='2'");   
      while($row=mysql_fetch_array($sql2)) {code in here}
      

      Where id='$topicsnumber' AND (main='0' OR main='1' OR main='2') is the condition under which it is checked. Can this be done? I have referred to this article

      J Online
      J Online
      jsulm
      Lifetime Qt Champion
      wrote on 9 Sept 2022, 12:36 last edited by
      #2

      @Lucky01 This is Qt forum, not PHP

      https://forum.qt.io/topic/113070/qt-code-of-conduct

      1 Reply Last reply
      1
      • L Lucky01
        9 Sept 2022, 12:21

        Simply put, I want to know if you can utilize both of them in a PHP code. I had the following idea:

        $sql2 = mysql_query("SELECT * FROM forum WHERE id='$topicsnumber' AND main='0' OR main='1' OR main='2'");   
        while($row=mysql_fetch_array($sql2)) {code in here}
        

        Where id='$topicsnumber' AND (main='0' OR main='1' OR main='2') is the condition under which it is checked. Can this be done? I have referred to this article

        J Offline
        J Offline
        JonB
        wrote on 9 Sept 2022, 13:00 last edited by
        #3

        @Lucky01
        So far you have asked about Laravel and SQL in PHP. Why do you want to use this forum if you are using them and not Qt? Beats me.

        1 Reply Last reply
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        9 Sept 2022, 12:21

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