Question

How to calculate the sum of all the odd numbers in one-dimensional int array in PHP

Answer 1

$arr = array(1, 2, 3, 4, 5, 6, 7);
$sum = 0;

for ($i = 0; $i < count($arr); $i++) 
    if ($arr[$i] % 2 != 0)
        $sum += $arr[$i];
 
echo "\$sum = $sum";

  
/*
run:
   
$sum = 16 
   
*/

 

70+ SQL courses for beginners and professionals