backspace-cli.php

<?php

writeln();

writeln('starting...');

write('Progress: [   0 % ]');
for ( $i=1; $i<=100; $i++ ) {
	usleep(rand(100, 100000));

	backspace(7);
	$white = str_repeat(' ', 3 - strlen($i));
	write($white . $i . ' % ]');
}
writeln();

writeln('Whatever... Done!');



writeln();
exit(0);



function backspace( $num = 1 ) {
	while ( $num-- ) echo chr(8);
}

function write( $txt ) {
	echo $txt;
}

function writeln( $txt = '' ) {
	echo $txt . "\n";
}