Online PHP editor | refs for IvWaf

<?php function hex_dump($data, $newline="\n") { static $from = ''; static $to = ''; static $width = 16; # number of bytes per line static $pad = '.'; # padding for non-visible characters if ($from==='') { for ($i=0; $i<=0xFF; $i++) { $from .= chr($i); $to .= ($i >= 0x20 && $i <= 0x7E) ? chr($i) : $pad; } } $hex = str_split(bin2hex($data), $width*2); $chars = str_split(strtr($data, $from, $to), $width); $offset = 0; foreach ($hex as $i => $line) { echo sprintf('%6X',$offset).' : '.implode(' ', str_split($line,2)) . ' [' . $chars[$i] . ']' . $newline; $offset += $width; } } $str = "\xC2\xA1Hola!"; // 7 bytes (6 characters in UTF-8) hex_dump($str); echo"\n"; hex_dump(mb_convert_encoding($str, 'UTF-32', 'UTF-8'));