Reply To: How to Randomize This?

• John Huebner

• August 4, 2021 at 6:46 pm

$rows = get_field('books', 34);
if (!empty($rows)) {
  $max_to_show = 2;
  $row_count = count($rows);
  $shown_rows = array();
  $i = 0;
  for ($loop=0; $loop<$max_to_show; $loop++) {
    // show 2 images
    if ($row_count > $max_to_show) {
      // only randomize if more than max to show
      $i = rand(0, $row_count - 1);
      while (in_array($i, $shown_rows)) {
        // make sure it's not duplicate
        $i = rand(0, $row_count - 1);
      }
      
    } // end if > max to show
      
    // ********************************
    // output row $i here
    // ********************************
      
    $shown_rows[] = $i;
    
    if ($row_count <= $max_to_show) {
      // increment value in cases rows is <= max to show
      $i++;
      if ($i >= $row_count) {
        // make sure that we don't exceed number of rows that exist
        break;
      }
    }
    
  } // end for
} // end if rows