Progress indicator (percent) in command-line PHP script

progress-command-line.php

<?php

/**
 * Progress indicator (percent) in command-line PHP script (cmd)
 * It only works in command line!
 * Run: php ./progress-command-line.php
 * @author Cadu Espindola <[email protected]>
 */

$data = array('foo', 'bar', 'baz', 'foo', 'bar', 'baz');
// or $data = array_fill(0, 90, 'foo');

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

print "Loading:   0.00%";
//              ^-----^ place to print percent (7D)

foreach ($data as $subdata) {
  
    // do stuff with data
    sleep(1);
  
    // progress indicator
    print "\033[7D"; // return to replace percent (7D)
    print str_pad(number_format(($percent += $step), 2), 6, ' ', STR_PAD_LEFT) . '%';
    flush();
  
}

print PHP_EOL;

// That's it! :)
// Have a nice day!