function textpattern()
{
global $pretext, $microstart, $prefs, $qcount, $qtime, $production_status, $txptrace, $siteurl, $has_article_tag;
$has_article_tag = false;
callback_event('textpattern');
if ($pretext['status'] == '404') {
txp_die(gTxt('404_not_found'), '404');
}
if ($pretext['status'] == '410') {
txp_die(gTxt('410_gone'), '410');
}
$html = fetch_page_template($pretext['page']);
if (!$html) {
txp_die(gTxt('unknown_section'), '404');
}
// useful for clean urls with error-handlers
txp_status_header('200 OK');
trace_add('[' . gTxt('page') . ': ' . $pretext['page'] . ']');
set_error_handler("tagErrorHandler");
$pretext['secondpass'] = false;
$html = parse($html);
$pretext['secondpass'] = true;
trace_add('[ ~~~ ' . gTxt('secondpass') . ' ~~~ ]');
$html = parse($html);
// the function so nice, he ran it twice
$html = $prefs['allow_page_php_scripting'] ? evalString($html) : $html;
// make sure the page has an article tag if necessary
if (!$has_article_tag and $production_status != 'live' and (!empty($pretext['id']) or !empty($pretext['c']) or !empty($pretext['q']) or !empty($pretext['pg']))) {
trigger_error(gTxt('missing_article_tag', array('{page}' => $pretext['page'])));
}
restore_error_handler();
header("Content-type: text/html; charset=utf-8");
echo $html;
if (in_array($production_status, array('debug', 'testing'))) {
$microdiff = getmicrotime() - $microstart;
echo n, comment('Runtime: ' . substr($microdiff, 0, 6));
echo n, comment('Query time: ' . $qtime);
echo n, comment('Queries: ' . $qcount);
echo maxMemUsage('end of textpattern()', 1);
if (!empty($txptrace) and is_array($txptrace)) {
echo n, comment('txp tag trace: ' . n . join(n, $txptrace) . n);
}
}
callback_event('textpattern_end');
}
function txp_die($msg, $status = '503')
{
// 503 status might discourage search engines from indexing or caching the error message
//Make it possible to call this function as a tag, e.g. in an article <txp:txp_die status="410" />
if (is_array($msg)) {
extract(lAtts(array('msg' => '', 'status' => '503'), $msg));
}
// Intentionally incomplete - just the ones we're likely to use
$codes = array('200' => 'OK', '301' => 'Moved Permanently', '302' => 'Found', '304' => 'Not Modified', '307' => 'Temporary Redirect', '401' => 'Unauthorized', '403' => 'Forbidden', '404' => 'Not Found', '410' => 'Gone', '414' => 'Request-URI Too Long', '500' => 'Internal Server Error', '501' => 'Not Implemented', '503' => 'Service Unavailable');
if ($status) {
if (isset($codes[strval($status)])) {
$status = strval($status) . ' ' . $codes[$status];
}
txp_status_header($status);
}
$code = '';
if ($status and $parts = @explode(' ', $status, 2)) {
$code = @$parts[0];
}
global $DB;
if ($DB and $DB->selected) {
$out = fetch_page_template('error_' . $code);
if (empty($out)) {
$out = fetch_page_template('error_default');
}
}
if (empty($out)) {
$out = <<<eod
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<title>Textpattern Error: <txp:error_status /></title>
</head>
<body>
<p align="center" style="margin-top:4em"><txp:error_message /></p>
</body>
</html>
eod;
}
header("Content-type: text/html; charset=utf-8");
if (is_callable('parse')) {
$GLOBALS['txp_error_message'] = $msg;
$GLOBALS['txp_error_status'] = $status;
$GLOBALS['txp_error_code'] = $code;
set_error_handler("tagErrorHandler");
die(parse($out));
} else {
$out = preg_replace(array('@<txp:error_status[^>]*/>@', '@<txp:error_message[^>]*/>@'), array($status, $msg), $out);
die($out);
}
}