40 lines
1014 B
PHP
40 lines
1014 B
PHP
<?php
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/**
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* Function to dump the hex version of a string.
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*
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* @param $what What to dump.
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*/
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function hex_dump(...$what)
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{
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foreach ($what as $w) {
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var_dump(bin2hex($w));
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}
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}
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/**
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* Function to visualize byte streams. Split into bytes, print to console.
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* :param bs: BYTE STRING.
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*/
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function vis($bs)
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{
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$bs = str_split($bs);
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$symbols_in_one_line = 8;
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$n = floor(len($bs) / $symbols_in_one_line);
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$i = 0;
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foreach (pyjslib_range($n) as $i) {
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echo $i * $symbols_in_one_line.' | '.implode(' ',
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array_map(function ($el) {
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return bin2hex($el);
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}, array_slice($bs, $i * $symbols_in_one_line, ($i + 1) * $symbols_in_one_line))
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).PHP_EOL;
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}
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if (len($bs) % $symbols_in_one_line != 0) {
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echo($i + 1) * $symbols_in_one_line.' | '.implode(' ',
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array_map(function ($el) {
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return bin2hex($el);
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}, array_slice($bs, ($i + 1) * $symbols_in_one_line))
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).PHP_EOL;
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}
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}
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