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$file1 = 'F:/46.gif';
$file2 = 'F:/test.txt';
$file3 = 'F:/47.gif';
$size = filesize($file1);
echo 'Îļþ´óСΪ£º'.$size;
echo "\n<br>ת»¯Îª¶þ½øÖÆ ...";
$content = file_get_contents($file1);
$content = bstr2bin($content);
$fp = fopen($file2, 'w');
fwrite($fp, $content);
fclose($fp);
$size2 = filesize($file2);
echo 'ת»¯³É¶þ½øÖƺóÎļþ´óСΪ£º'.$size2;
$content = bin2bstr($content);
$fp = fopen($file3, 'w');
fwrite($fp, $content);
fclose($fp);
function bin2bstr($input)
// Convert a binary expression (e.g., "100111") into a binary-string
{
  if (!is_string($input)) return null; // Sanity check
  // Pack into a string
  $input = str_split($input, 4);
  $str = '';
  foreach ($input as $v)
  {
   $str .= base_convert($v, 2, 16);
  }
 
  $str =  pack('H*', $str);
 
  return $str;
}
function bstr2bin($input)
// Binary representation of a binary-string
{
  if (!is_string($input)) return null; // Sanity check
  // Unpack as a hexadecimal string
  $value = unpack('H*', $input);
 
  // Output binary representation
  $value = str_split($value[1], 1);
  $bin = '';
  foreach ($value as $v)
  {
   $b = str_pad(base_convert($v, 16, 2), 4, '0', STR_PAD_LEFT);
   
   $bin .= $b;
  }
 
  return $bin;
}


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PHP µ÷ÓÃ C# dll

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how to install apache, PHP and MySQL on Linux

how to install apache, PHP and MySQL on Linux
This tutorial explains the installation of Apache web server, bundled with PHP and MySQL server on a Linux machine. The tutorial is primarily for SuSE 9.2, 9.3, 10.0 & 10.1 operating systems, but most of the steps ought to be valid for all Linux-lik ......

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