Percentage progress bar on cmd line in php

progress-cmd-line.php

$data = getData();

$step = 100 / count($data);
$percent = 0;

echo 'Doing stuff with data:        '; //padding at the end for the number

foreach($data as $row)
{
  // do stuff
  
  //then
	$percent += $step;

	if($percent < 10) // for single digit output
	{
		echo "\033[5D";
	}
	else if($percent > 10 && $percent < 100) // two digits
	{
		echo "\033[6D";
	}
	else
	{
		echo "\033[7D"; // and finally, three
	}

  // nice format with stuff and padding
	echo str_pad( number_format($percent, 2), 3, ' ', STR_PAD_LEFT) . "%";
  
  // flush the output
  // use ob_flush() or flush(), depending on your situation
	ob_flush();
}