<?php

$data = "\x08\x00\x19\x2f\x00\x00\x00\x00\x70\x69\x6e\x67";

/*
 8 bits in a byte
 strlen() returns length of a string in bytes.
*/

//$data = "\x08\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00";

echo 'String $data is ' . strlen($data) . ' bytes in size, or ' . (strlen($data) * 8) . ' bits in size' . "\n";

var_dump($data);

var_dump(unpack('C/C/C/n/n/N', $data));

var_dump(unpack("Ctype/Ccode/Cchecksum/nidentifier/nsequenceNumber/Ndata", $data));

print_r(unpack("Ctype/Ccode/Cchecksum/nidentifier/nsequenceNumber/Ndata", $data));

echo implode(' ', unpack('C*', $data)) . "\n";

foreach (unpack("Ctype/Ccode/Cchecksum/nidentifier/nsequenceNumber/@8/c*data", $data) as $key => $string) {
  echo $key . ' => '. str_pad(dechex($string), 2, '0', STR_PAD_LEFT) . "\n";
}

?>