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Found 2 results

  1. Hey friends, I just started learning php. I want to know the difference between == and === I exactly want to know the comment section of the given code below. Thanks. <?php $mystring = 'abc'; $findme = 'a'; $pos = strpos($mystring, $findme); // The !== operator can also be used. Using != would not work as expected // because the position of 'a' is 0. The statement (0 != false) evaluates // to false. if ($pos !== false) { echo "The string '$findme' was found in the string '$mystring'"; echo " and exists at position $pos"; } else { echo "The string '$findme' was not found in the string '$mystring'"; } ?>
  2. I want to compare two columns, essentially this: $query = "SELECT * FROM table WHERE column3 < column4;"; Is this even possible? Or have I just got the syntax badly wrong? I've tried writing out a complicated php code breaking my task into three MySQL lookups instead but that's proving more trouble than its worth.. Everything I've found on Google hasn't been related to my problem... Is anyone able to help me in the right direction? Thanks
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