[Bug 732306] [NEW] php escapeshellarg removes £ incorrectly

[PeterJCLaw]

Public bug reported:

Binary package hint: php5

escapeshellarg unexpectedly removes £ symbols from input strings.

I was going to report this as a bug to php, but I can't reproduce this bug under PHP 5.3.5 on windows 7.
Additionally there is discrepancy between the command-line runner and the apache module.

$ php --version
PHP 5.3.3-1ubuntu9.3 with Suhosin-Patch (cli) (built: Jan 12 2011 16:07:38)
Copyright (c) 1997-2009 The PHP Group
Zend Engine v2.3.0, Copyright (c) 1998-2010 Zend Technologies

<?php
// test script
$before = '!+_£@#&;`|*?~<>^()[]{}$\,';

var_dump($before);

$escaped = escapeshellarg($before);

var_dump($escaped);

for ($i=0; $i < 10; $i++)
{
	var_dump($escaped[$i]);
}

?>

Expected:
string(26) "!+_£@#&;`|*?~<>^()[]{}$\,"
string(26) "'!+_£@#&;`|*?~<>^()[]{}$\,'"
string(1) "'"
string(1) "!"
string(1) "+"
string(1) "_"
string(1) "£"
string(1) "@"
string(1) "#"
string(1) "&"
string(1) ";"
string(1) "`"

Actual (via apache):
string(26) "!+_£@#&;`|*?~<>^()[]{}$\,"
string(26) "'!+_@#&;`|*?~<>^()[]{}$\,'"
string(1) "'"
string(1) "!"
string(1) "+"
string(1) "_"
string(1) "@"
string(1) "#"
string(1) "&"
string(1) ";"
string(1) "`"
string(1) "|"

Actual (command-line: $ php -f test.php)
string(26) "!+_£@#&;`|*?~<>^()[]{}$\,"
string(28) "'!+_£@#&;`|*?~<>^()[]{}$\,'"
string(1) "'"
string(1) "!"
string(1) "+"
string(1) "_"
string(1) "�"
string(1) "�"
string(1) "@"
string(1) "#"
string(1) "&"
string(1) ";"

** Affects: php5 (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/732306

Title:
  php escapeshellarg removes £ incorrectly