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138.01 ms | 1390 KiB | 7 Q<?php
function XXhex2bin($h)
{
if (!is_string($h)) return null;
$r='';
for ($a=0; $a<strlen($h); $a+=2) { $r.=chr(hexdec($h{$a}.$h{($a+1)})); }
return $r;
}
$encoded = bin2hex(' ');
echo "0x".$encoded;
?>