Binary To String & String To Binary conversion 8bit

bin2chr.php

<?php

if(empty($argv[1])) {
    die;
}

if($argc > 2) {

  for ($i = 1; $i < $argc; $i++) {
        echo chr(bindec($argv[$i]));
  }
echo "\n";
die;
}

$dec=bindec($argv[1]);
echo chr($dec) . "\n";

str2bin.php

<?php

if(empty($argv[1])) {
    die;
}

$str=null;
for ($i = 1; $i < $argc; $i++) {
    $str .= $argv[$i]." ";
}

$str = str_split($str);

//print_r($str);

if ($str[count($str) - 1] == " ") {
   unset($str[count($str) - 1]);
}

foreach ($str as $val) {
 echo decbin(ord($val)) . " ";
}
echo "\n";
die;