Description:
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I'm using PHP 5.0.2, MySQL 4.1.6gamma and Apache 2.0.49-27.16 on SuSE Linux Professional 9.1. PHP has been compiled by me, MySQL is a binary distribution from MySQL, Apache is the SuSE default.

When I submit a query containing a UTF-8 representation (hex
value 0xC48D) of the Unicode character &#x010D (lowercase c with caron) to the MySQL server using mysql_query, sniffing the network traffic reveals that the character is sent as 0xC43F, which is not a valid UTF-8 character. 

It's important to note that this happens BEFORE the data reaches the MySQL server, so I believe it must be a PHP problem.

Some other Unicode characters are also problematic, including &#x0110 and &#x00C1, but they are both sent as 0xC33F.

The MySQL table has been created with CHARACTER SET utf8.


I don't think this bug is possible to reproduce without running mysql_query, so the code below requires a connection to a MySQL database.

This _may_ be a duplicate of Bug #28231, but I'm not entirely sure.

Reproduce code:
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header("Content-Type: text/html; charset=UTF-8");
// connect to a mysql database which supports UTF-8 here
$testStr = chr(196) . chr(141); // Unicode character &#x010D (c caron)
echo '$testStr before query: ' . $testStr . '<br />'; // will output the correct UTF-8 character (c caron)
echo 'hex of $testStr before query: ' . bin2hex($testStr) . '<br />'; // will output c48d

$updateResult = mysql_query("update klara_test set klara_text = '$testStr' where klara_id = 1", $conn);
$fetchResult = mysql_query("select klara_text from klara_test", $conn);

while ($myrow = mysql_fetch_array($fetchResult)) {
  echo '$testStr from database: ' . $myrow['klara_text'] . '<br />'; // will output gibberish
  echo 'hex of $testStr from database: ' . bin2hex($myrow['klara_text']) . '<br />'; // will output c43f
}


Expected result:
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I would expect the UTF-8 characters to remain unchanged.

Actual result:
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Certain Unicode characters are altered by mysql_query, as far as I can tell.