Something like this:
$factor = count($inArray); foreach($inArray as &$value) { if($value != "x") { $value *= $factor; } else { $value = $factor.'*'.$value; } $factor--; } unset($value);
Value of $inArray
would be:
0,9,72,56,30,5*x,32,0,6,0
1
solved Selecting array elements in PHP