Used to display loader progress to the user

Related topics

File

tripal_bulk_loader/includes/tripal_bulk_loader.loader.inc, line 1051

@todo Add file header description

Code

function tripal_bulk_loader_progress_bar($current = 0, $total = 100, $size = 50) {
  $new_bar = FALSE;
  $mem = memory_get_usage();

  // First iteration
  if ($current == 0) {
    $new_bar = TRUE;
    fputs(STDOUT, "Progress:\n");
  }

  // Percentage round off for a more clean, consistent look
  $percent = sprintf("%.02f", round(($current / $total) * 100, 2));
  // percent indicator must be four characters, if shorter, add some spaces
  for ($i = strlen($percent); $i <= 4; $i++) {
    $percent = ' ' . $percent;
  }


  $total_size = $size + $i + 3 + 2;
  $place = 0;
  // if it's not first go, remove the previous bar
  if (!$new_bar) {
    for ($place = $total_size; $place > 0; $place--) {
      // echo a backspace (hex:08) to remove the previous character
      //echo "\x08";
    }
  }

  // output the progess bar as it should be
  // Start with a border
  echo '[';
  for ($place = 0; $place <= $size; $place++) {
    // output "full" spaces if this portion is completed
    if ($place <= ($current / $total * $size)) {
      echo '|';
    }
    else {
      // Otherwise empty space
      echo '-';
    }
  }
  // End with a border
  echo ']';

  // end a bar with a percent indicator
  echo " $percent%. ($current of $total) Memory: $mem\r";

  // if it's the end, add a new line
  if ($current == $total) {
    echo "\n";
  }

}