/usr/share/php/PHP/Compat/Function/convert_uuencode.php is in php-compat 1.6.0a3-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/**
* Replace convert_uuencode()
*
* @category PHP
* @package PHP_Compat
* @license LGPL - http://www.gnu.org/licenses/lgpl.html
* @copyright 2004-2007 Aidan Lister <aidan@php.net>, Arpad Ray <arpad@php.net>
* @link http://php.net/function.convert_uuencode
* @author Michael Wallner <mike@php.net>
* @author Aidan Lister <aidan@php.net>
* @version $Revision: 269597 $
* @since PHP 5
* @require PHP 4.0.0 (user_error)
*/
function php_compat_convert_uuencode($string)
{
// Sanity check
if (!is_scalar($string)) {
user_error('convert_uuencode() expects parameter 1 to be string, ' .
gettype($string) . ' given', E_USER_WARNING);
return false;
}
$u = 0;
$encoded = '';
while ($c = count($bytes = unpack('c*', substr($string, $u, 45)))) {
$u += 45;
$encoded .= pack('c', $c + 0x20);
while ($c % 3) {
$bytes[++$c] = 0;
}
foreach (array_chunk($bytes, 3) as $b) {
$b0 = ($b[0] & 0xFC) >> 2;
$b1 = (($b[0] & 0x03) << 4) + (($b[1] & 0xF0) >> 4);
$b2 = (($b[1] & 0x0F) << 2) + (($b[2] & 0xC0) >> 6);
$b3 = $b[2] & 0x3F;
$b0 = $b0 ? $b0 + 0x20 : 0x60;
$b1 = $b1 ? $b1 + 0x20 : 0x60;
$b2 = $b2 ? $b2 + 0x20 : 0x60;
$b3 = $b3 ? $b3 + 0x20 : 0x60;
$encoded .= pack('c*', $b0, $b1, $b2, $b3);
}
$encoded .= "\n";
}
// Add termination characters
$encoded .= "\x60\n";
return $encoded;
}
// Define
if (!function_exists('convert_uuencode')) {
function convert_uuencode($string)
{
return php_compat_convert_uuencode($string);
}
}
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