function al2gt($gettextlangs, $mime)
{
/* default to "everything is acceptable", as RFC2616 specifies */
$acceptLang = $_SERVER["HTTP_ACCEPT_LANGUAGE"] == '' ? '*' : $_SERVER["HTTP_ACCEPT_LANGUAGE"];
$acceptChar = $_SERVER["HTTP_ACCEPT_CHARSET"] == '' ? '*' : $_SERVER["HTTP_ACCEPT_CHARSET"];
$alparts = @preg_split("/,/", $acceptLang);
$acparts = @preg_split("/,/", $acceptChar);
/* Parse the contents of the Accept-Language header.*/
foreach ($alparts as $part) {
$part = trim($part);
if (preg_match("/;/", $part)) {
$lang = @preg_split("/;/", $part);
$score = @preg_split("/=/", $lang[1]);
$alscores[$lang[0]] = $score[1];
} else {
$alscores[$part] = 1;
}
}
/* Do the same for the Accept-Charset header. */
/* RFC2616: ``If no "*" is present in an Accept-Charset field, then
* all character sets not explicitly mentioned get a quality value of
* 0, except for ISO-8859-1, which gets a quality value of 1 if not
* explicitly mentioned.''
*
* Making it 2 for the time being, so that we
* can distinguish between "not specified" and "specified as 1" later
* on. */
$acscores["ISO-8859-1"] = 2;
foreach ($acparts as $part) {
$part = trim($part);
if (preg_match("/;/", $part)) {
$cs = @preg_split("/;/", $part);
$score = @preg_split("/=/", $cs[1]);
$acscores[strtoupper($cs[0])] = $score[1];
} else {
$acscores[strtoupper($part)] = 1;
}
}
if ($acscores["ISO-8859-1"] == 2) {
$acscores["ISO-8859-1"] = isset($acscores["*"]) ? $acscores["*"] : 1;
}
/*
* Loop through the available languages/encodings, and pick the one
* with the highest score, excluding the ones with a charset the user
* did not include.
*/
$curlscore = 0;
$curcscore = 0;
$curgtlang = NULL;
foreach ($gettextlangs as $gtlang) {
$tmp1 = preg_replace("/\\_/", "-", $gtlang);
$tmp2 = @preg_split("/\\./", $tmp1);
$allang = strtolower($tmp2[0]);
$gtcs = strtoupper($tmp2[1]);
$noct = @preg_split("/-/", $allang);
$testvals = array(array($alscores[$allang], $acscores[$gtcs]), array($alscores[$noct[0]], $acscores[$gtcs]), array($alscores[$allang], $acscores["*"]), array($alscores[$noct[0]], $acscores["*"]), array($alscores["*"], $acscores[$gtcs]), array($alscores["*"], $acscores["*"]));
$found = FALSE;
foreach ($testvals as $tval) {
if (!$found && isset($tval[0]) && isset($tval[1])) {
$arr = find_match($curlscore, $curcscore, $curgtlang, $tval[0], $tval[1], $gtlang);
$curlscore = $arr[0];
$curcscore = $arr[1];
$curgtlang = $arr[2];
$found = TRUE;
}
}
}
/* We must re-parse the gettext-string now, since we may have found it
* through a "*" qualifier.*/
$gtparts = @preg_split("/\\./", $curgtlang);
$tmp = strtolower($gtparts[0]);
$lang = preg_replace("/\\_/", "-", $tmp);
$charset = $gtparts[1];
header("Content-Language: {$lang}");
header("Content-Type: {$mime}; charset={$charset}");
return $curgtlang;
}
<?php
$request_id = addslashes($_REQUEST[request_id]);
$matches = find_match($request_id);
$request_info = request_info($request_id);
$student_info = student_info($request_info['student_id']);
?>
<div class=title>Make a Match</div>
<table>
<tr>
<td>
<table>
<tr>
<td align='right'>Name:</td>
<td><?php
echo $student_info['name'];
?>
</td>
</tr>
<tr>
<td align='right'>Subject:</td>
<td><?php
echo $request_info['subject_name'];
?>
</td>
</tr>
<tr>
<td align='right'>Teacher:</td>
<td><?php
