Created
February 7, 2018 12:38
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PHP Hex Dump
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| <?php | |
| /** | |
| * Print binary data as hex string | |
| * @param string $data | |
| * @param string $newline | |
| * @param int $width | |
| */ | |
| function hexdump($data, $newline = "\n", $width = 16) { | |
| static $from = ''; | |
| static $to = ''; | |
| 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('%06X', $offset) . ' : ' . str_pad(implode(' ', str_split($line, 2)), $width * 3) . ' ' . $chars[$i] . $newline; | |
| $offset += $width; | |
| } | |
| } |
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