Metasploit PHP Progress Bar

loading.php

#!/usr/bin/env php
<?php
if(strtolower(substr(PHP_OS, 0, 3)) == 'win') { // windows < 10 does not support color on terminal :'(
	$R  = "";
	$G  = "";
	$B  = "";
	$X  = "";
} else {
	$R  = "\e[91m";
	$G  = "\e[92m";
	$B  = "\e[36m";
	$X  = "\e[0m";
	system("clear");
}

function loading($time) {
	global $R, $G, $B, $X;
	echo $R."\rLoading |\r".$X;
	usleep($time);
	echo $G."\rlOading /\r".$X;
	usleep($time);
	echo $B."\rloAding -\r".$X;
	usleep($time);
	echo $R."\rloaDing \\"."\r".$X;
	usleep($time);
	echo $G."\rloadIng |\r".$X;
	usleep($time);
	echo $B."\rloadiNg /\r".$X;
	usleep($time);
	echo $R."\rloadinG -\r".$X;
	usleep($time);
	echo $G."\rloading \\"."\r".$X;
}

while(1) {
loading(100000);
}