Cli Progress Bar Loop

progress.php

#!/usr/bin/php
<?php
$iloop = "0";

while (true){
  $warn = "Program running hold on!!\r";
  if (strlen($warn) === $iloop+1){
    $iloop = "0";
  }
  $warn = str_split($warn);
  $iloop++;
  $warn[$iloop] = "\033[35;2m\e[0m".$warn[$iloop];
  echo " \033[7m".implode($warn);
  usleep(90000);
}

// for i in {30..49};do echo -e "\033[$i;7mReversed color code $i\e[0m Hello world";done