a base64 encode cli script

base64.php

<?php
$who = exec('whoami');
echo ' |--------welcome to Protectsoft---------|'."$who"."\n";
fwrite(STDOUT, "enter your passphrase: "); //STDOUT basic input write method
$input = trim(fgets(STDIN)); //trim removes string spaces at beggining andend,fgets get first line to read,STDIN read input from STDOUT
base64_encode($input); //basic encode function
$str = $input;
base64_decode($str);
echo 'your encoded passphrase is: ',base64_encode($input)."\n";
echo ' |--------Protectron Protectsoft---------|';
echo "\n";
?>