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phparraysfetchall

PHP function for changing values in array from database


I have array with values from database

$values = $sql->fetchAll();

Which looks like this:

var_dump($values);

array (size=4)
  0 => 
    array (size=4)
      'id' => string '1' (length=1)
      0 => string '1' (length=1)
      'level' => string '0' (length=1)
      1 => string '0' (length=1)
  1 => 
    array (size=4)
      'id' => string '2' (length=1)
      0 => string '2' (length=1)
      'level' => string '3' (length=1)
      1 => string '3' (length=1)
  2 => 
    array (size=4)
      'id' => string '3' (length=1)
      0 => string '3' (length=1)
      'level' => string '0' (length=1)
      1 => string '0' (length=1)

What I am trying to do is to change level to for example 5, where player id = 3. I need to change both level related values. Number or array keys and their position may vary depending on SQL query. I need function which would take following arguments: $playerID, $keyName, $value and then it would change appropriate values.

For example:

function($playerID, $keyName, $value);
function(3, "level", 5);

Array after changes would look like this:

array (size=4)
  0 => 
    array (size=4)
      'id' => string '1' (length=1)
      0 => string '1' (length=1)
      'level' => string '0' (length=1)
      1 => string '0' (length=1)
  1 => 
    array (size=4)
      'id' => string '2' (length=1)
      0 => string '2' (length=1)
      'level' => string '3' (length=1)
      1 => string '3' (length=1)
  2 => 
    array (size=4)
      'id' => string '3' (length=1)
      0 => string '3' (length=1)
      'level' => string '5' (length=1)
      1 => string '5' (length=1)

Solution

  • Try something like this:

        function changeVal($values, $playerID, $keyName, $value)
        {
            foreach($values as $key => $val)
           {
               if ($val['id'] == $playerID)
               {
                 $values[$key][$keyName] = $value;
                 $index = array_search($keyName, array_keys($values))+1;
                 $values[$key][$index] = $value;
               }
            }
        }
    
     changeVal($values , 3, "level", 5);