mirror of https://github.com/BOINC/boinc.git
474 lines
12 KiB
PHP
474 lines
12 KiB
PHP
<?php
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require_once("../project/project.inc");
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require_once("../inc/countries.inc");
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require_once("../inc/db.inc");
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function db_init() {
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if (project_is_stopped()) {
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echo "Project is shut down for maintenance - please try again later\n";
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exit();
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}
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$retval = db_init_aux();
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if ($retval == 1) {
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echo "Unable to connect to database - please try again later\n";
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echo "Error: ", mysql_errno(), mysql_error();
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exit();
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}
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if ($retval == 2) {
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echo "Unable to select database - please try again later";
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echo mysql_error();
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exit();
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}
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}
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// Initializes the session and returns the authenticator
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// for the session (if any)
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//
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function init_session() {
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$url = parse_url(MASTER_URL);
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$path = $url['path'];
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if (strlen($path)) {
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session_set_cookie_params(0, $path);
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}
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session_start();
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// NOTE: in PHP 4.1+, s/key_exists/array_key_exists/
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if (array_key_exists('authenticator', $_SESSION)) {
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return $_SESSION["authenticator"];
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} else {
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return NULL;
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}
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}
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// if not logged in, put up login form and exit
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//
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function require_login($user) {
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if (!$user) {
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print_login_form();
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exit();
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}
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}
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function get_user_from_auth($auth) {
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if ($auth) return lookup_user_auth($auth);
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return NULL;
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}
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function get_user_from_id($id) {
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if ($id) return lookup_user_id($id);
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return NULL;
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}
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function get_logged_in_user($must_be_logged_in=true) {
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$authenticator = init_session();
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if (!$authenticator) {
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$authenticator = $_COOKIE['auth'];
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}
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$user = get_user_from_auth($authenticator);
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if ($must_be_logged_in) {
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require_login($user);
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}
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return $user;
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}
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function show_login($user) {
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if ($user) {
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echo "Logged in as %s.\n", $user->name;
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echo "<br><a href=login_form.php>Log in as someone else.</a>\n";
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} else {
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echo "Not logged in";
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}
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}
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// output a select form item with the given name,
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// from a list of newline-delineated items from the text file.
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// If $selection is provided, and if it matches one of the entries in the file,
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// it will be selected by default.
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//
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function show_combo_box($name, $filename, $selection=null) {
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if (!file_exists($filename)) {
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echo "ERROR: $filename does not exist! Cannot create combo box.<br>";
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exit();
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}
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echo "<select name=\"$name\">\n";
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$file = fopen($filename, "r");
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while ($line = trim(fgets($file, 1024))) {
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if ($line == $selection) {
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echo "<option SELECTED value=\"$line\">$line\n";
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} else {
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echo "<option value=\"$line\">$line\n";
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}
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}
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echo "</select>\n";
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fclose($file);
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}
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function page_head($title, $java_onload="") {
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$styleSheet = URL_BASE . STYLESHEET;
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$rssname = PROJECT . " RSS 2.0";
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$rsslink = URL_BASE . "rss_main.php";
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echo "<html><head><title>".strip_tags($title)."</title>
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<link rel=stylesheet type=text/css href=\"$styleSheet\">
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<link rel='alternate' type='text/xml' title=\"$rssname\" href=\"$rsslink\" />
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</head>";
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if ($java_onload!=""){echo "<body bgcolor=ffffff onload=\"".$java_onload."\">"; } else { echo "<body bgcolor=ffffff>";}
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project_banner($title);
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}
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function page_tail_aux($show_return, $show_date) {
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echo "<br><hr noshade size=1><center>";
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if ($show_return) {
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echo "<a href=".URL_BASE.">Return to ".PROJECT." main page</a><br>\n";
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}
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echo "<br><br>Copyright © 2004 ".COPYRIGHT_HOLDER."</center>\n";
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if ($show_date) {
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echo "<font size=-2 color=bbbbbb>Generated ",time_str(time()),"</font>\n";
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}
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echo "</body>\n</html>";
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}
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function page_tail_main($show_date=false) {
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page_tail_aux(false, $show_date);
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}
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function page_tail($show_date=false) {
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page_tail_aux(true, $show_date);
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}
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function db_error_page() {
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page_head("Database error");
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echo "A database error occurred while handling your request.
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<br>Please try again later.
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<br>If the error persists, please submit a
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<a href=bug_report_form.php>problem report</a>.
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";
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page_tail();
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}
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function profile_error_page($str) {
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page_head("Profile error");
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echo "$str<br>\n";
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echo "<p>Click your browser's <b>Back</b> button to try again.\n<p>\n";
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page_tail();
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}
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function error_page($msg) {
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page_head("Unable to handle request");
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echo $msg;
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page_tail();
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exit();
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}
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// takes argument in second and returns a human formatted time string
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// in the form D days + h Hours + m Min + s sec.
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function time_diff($x) {
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$days = (int)($x/86400);
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$hours = (int)(($x-$days*86400)/3600);
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$minutes = (int)(($x-$days*86400-$hours*3600)/60);
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$seconds = (int)($x % 60);
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$datestring = "";
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if ($days)
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$datestring .= "$days days ";
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if ($hours || strlen($datestring))
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$datestring .= "$hours hours ";
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if ($min || strlen($datestring))
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$datestring .= "$minutes min ";
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if ($seconds)
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$datestring .= "$seconds sec";
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return $datestring;
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}
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function date_str($x) {
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if ($x == 0) return "---";
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// return date("g:i A, l M j", $when);
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return strftime("%Y-%m-%d", $x);
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}
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function time_str($x) {
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if ($x == 0) return "---";
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//return strftime("%j %m-%d %H:%M:%S", $x)";
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return gmdate('j M Y G:i:s', $x) . " UTC";
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}
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function pretty_time_str($x) {
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return time_str($x);
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}
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function start_table($extra="width=100%") {
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echo "<table border=0 cellpadding=5 $extra>";
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}
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function start_table_noborder($width="100%") {
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echo "<table border=0 cellpadding=5 width=$width>";
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}
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function end_table() {
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echo "</table>\n";
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}
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function row1($x, $ncols=2, $class="heading") {
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echo "<tr><td class=$class colspan=$ncols><b>$x</b></td></tr>\n";
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}
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function row2($x, $y) {
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if ($x=="") $x="<br>";
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if ($y=="") $y="<br>";
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echo "<tr><td class=fieldname bgcolor=eeeeee align=right valign=top>$x</td><td valign=top><b>$y</b></td></tr>\n";
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}
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function row2_init($x, $y) {
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echo "<tr><td class=fieldname bgcolor=eeeeee width=40% align=right valign=top>$x</td><td valign=top><b>$y\n";
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}
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function row2_plain($x, $y) {
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echo "<tr><td>$x</td><td>$y</td></tr>\n";
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}
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function row3($x, $y, $z) {
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echo "<tr><td width=30% valign=top align=right>$x</td><td>$y</td><td>$z</td></tr>\n";
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}
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function row4($xx, $xy, $yx, $yy) {
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echo "<tr><td width=25% valign=top>$xx</td><td width=25%>$xy</td>"
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. "<td width=25% >$yx</td><td width=%25>$yy</td></tr>\n";
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}
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function rowify($string) {
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echo "<tr><td>$string</td></tr>";
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}
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function random_string() {
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return md5(uniqid(rand(), true));
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}
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function print_login_form_aux($next_url, $user) {
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echo "
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<form name=f method=post action=login_action.php>
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<input type=hidden name=next_url value='$next_url'>
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";
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start_table();
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row1("Log in");
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row2("Your account key:
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<br><font size=-2>
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If you don't know your account key,
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<a href=get_passwd.php>click here</a>.
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</font>",
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"<input name=authenticator size=40>"
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);
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row2("Remember account key on this computer",
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"<input type=checkbox name=send_cookie>"
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);
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row2("",
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"<input type=submit value='Log in'>"
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);
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if ($user) {
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row1("Log out");
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row2("You are logged in as $user->name",
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"<a href=logout.php>Log out</a>"
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);
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}
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end_table();
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echo "
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</form>
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<script>
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document.f.authenticator.focus();
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</script>
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";
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}
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function print_login_form() {
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page_head("Please log in");
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echo "
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This function requires that you log in.
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";
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$next_url = $_SERVER['REQUEST_URI'];
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print_login_form_aux($next_url, null);
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page_tail();
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}
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// Look for an element in a line of XML text
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// If it's a single-tag element, and it's present, just return the tag
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//
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function parse_element($xml, $tag) {
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$element = null;
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$x = strstr($xml, $tag);
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if ($x) {
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if (strstr($tag, "/>")) return $tag;
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$y = substr($x, strlen($tag));
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$n = strpos($y, "<");
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if ($n) {
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$element = substr($y, 0, $n);
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}
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}
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return $element;
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}
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if (!function_exists("file_get_contents")) {
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function file_get_contents($path) {
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$x = "";
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$f = fopen($path, "r");
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if ($f) {
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while (!feof($f)) $x .= fread($f, 4096);
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fclose($f);
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}
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return $x;
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}
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}
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$g_config = null;
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function get_config() {
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global $g_config;
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if ($g_config == null) {
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$g_config = file_get_contents("../../config.xml");
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}
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return $g_config;
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}
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// look for a particular element in the ../../config.xml file
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//
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function parse_config($config, $tag) {
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$element = parse_element($config, $tag);
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return trim($element);
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}
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// return true if XML contains either <tag/> or <tag>1</tag>
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//
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function parse_bool($xml, $tag) {
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$x = "<$tag/>";
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if (strstr($xml, $x)) return true;
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$x = "<$tag>";
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$y = (int)parse_element($xml, $x);
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if ($y != 0) return true;
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return false;
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}
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// Call this if for dynamic pages
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//
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function no_cache() {
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header ("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); // Date in the past
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header ("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
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header ("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1
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header ("Pragma: no-cache"); // HTTP/1.0
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}
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// Generates a standard set of links between associated multi-page documents.
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// All linked files must be of the form "$filename_<page number>.html".
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function write_page_links($filename, $currPageNum, $numPages) {
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echo "<p>Page $currPageNum of $numPages</p>";
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$nextPageNum = $currPageNum + 1;
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$prevPageNum = $currPageNum - 1;
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// Make the 'previous' and 'next' page links as appropriate.
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if ($currPageNum > 1) {
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echo "<a href={$filename}_{$prevPageNum}.html>Previous Page</a>";
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if ($currPageNum != $numPages) {
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echo " | ";
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}
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}
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if ($currPageNum != $numPages) {
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//fwrite($descriptor, "<a href=$filename" . "_" . $nextPageNum . ".html>Next Page</a>");
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echo "<a href={$filename}_{$nextPageNum}.html>Next Page</a>";
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}
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//fwrite($descriptor, "<p>Jump to Page:\n");
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echo "<p>Jump to Page:\n";
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// Make the individual page links (or a bold non-link for the current page).
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//
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for ($i = 1; $i <= $numPages; $i++) {
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if ($i != $currPageNum) {
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//fwrite($descriptor, "<a href=$filename" . "_" . $i . ".html>$i</a>\n");
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echo "<a href={$filename}_{$i}.html>$i</a>\n";
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} else {
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//fwrite($descriptor, "<b>$i</b>\n");
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echo "<b>$i</b>\n";
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}
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}
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}
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// Generates a legal filename from a parameter string.
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function get_legal_filename($name) {
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$name = ereg_replace(',', '', $name);
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return ereg_replace(' ', '_', $name);
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}
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// Returns a string containing as many words
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// (being collections of characters separated by the character $delimiter)
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// as possible such that the total string length is <= $chars characters long.
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// If $ellipsis is true, then an ellipsis is added to any sentence which
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// is cut short.
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function sub_sentence($sentence, $delimiter, $max_chars, $ellipsis=false) {
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$words = explode($delimiter, $sentence);
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$total_chars = 0;
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$count = 0;
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$result = '';
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do {
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if ($count > 0) {
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$result = $result . ' ' . $words[$count];
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} else {
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$result = $result . $words[$count];
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}
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$total_chars += strlen($words[$count]) + 1;
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$count++;
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} while ($count < count($words) && ($total_chars + strlen($words[$count])) <= $max_chars);
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if ($ellipsis && ($count < count($words))) {
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$result = $result . '...';
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}
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return $result;
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}
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function format_credit($x) {
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return number_format($x, 2);
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}
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function project_is_stopped() {
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if (file_exists("../../stop_web")) return true;
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return false;
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}
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function user_links($user) {
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$x = "<a href=show_user.php?userid=$user->id>$user->name</a>";
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if ($user->has_profile) {
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$x .= " <a href=view_profile.php?userid=$user->id><img border=0 src=head_20.png></a>";
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}
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return $x;
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}
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function host_link($hostid) {
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if ($hostid) {
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return "<a href=show_host_detail.php?hostid=$hostid>$hostid</a>";
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} else {
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return "---";
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}
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}
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function open_output_buffer() {
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ob_start();
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ob_implicit_flush(0);
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}
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function close_output_buffer($filename) {
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$fh = fopen($filename, "w");
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$page = ob_get_contents();
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ob_end_clean();
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fwrite($fh, $page);
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fclose($fh);
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}
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?>
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