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* Copyright (c) 2002-2006 The SquirrelMail Project Team
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* Licensed under the GNU GPL. For full terms see the file COPYING.
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* Originally contrubuted by Michal Szczotka <michal@tuxy.org>
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* functions to operate on calendar data files.
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* $Id: calendar_data.php,v 1.7.2.10 2006/02/03 22:27:52 jervfors Exp $
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* @copyright © 2002-2006 The SquirrelMail Project Team
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License
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* @version $Id: calendar_data.php,v 1.7.2.11 2006/05/06 07:52:18 tokul Exp $
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* @subpackage calendar
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// this is array that contains all events
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// it is three dimensional array with fallowing structure
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// $calendardata[date][time] = array(length,priority,title,message);
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* this is array that contains all events
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* it is three dimensional array with fallowing structure
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* $calendardata[date][time] = array(length,priority,title,message,reminder);
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$calendardata = array();
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//read events into array
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//data is | delimited, just like addresbook
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//files are structured like this:
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//date|time|length|priority|title|message);
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//files are divide by year for performance increase
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* Reads multilined calendar data
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* Plugin stores multiline texts converted to single line with PHP nl2br().
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* Function undoes nl2br() conversion and html encoding of ASCII vertical bar.
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* Older plugin versions sanitized data with htmlspecialchars. Since 1.5.1 calendar
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* data is not sanitized. Output functions must make sure that data is correctly
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* encoded and sanitized.
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* @param string $string calendar string
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* @return string calendar string converted to multiline text
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* @since 1.5.1 and 1.4.7
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function calendar_readmultiline($string) {
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* replace html line breaks with ASCII line feeds
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* replace htmlencoded | with ASCII vertical bar
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$string = str_replace(array('<br />','<br>','|'),array("\n","\n",'|'),$string);
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* Callback function used to sanitize calendar data before saving it to file
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* @param string $sValue array value
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* @param string $sKey array key
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* @since 1.5.1 and 1.4.7
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function calendar_encodedata(&$sValue, $sKey) {
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* add html line breaks
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* remove original ASCII line feeds and carriage returns
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* replace ASCII vertical bar with html code in order to sanitize field delimiter
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$sValue = str_replace(array("\n","\r",'|'),array('','','|'),nl2br($sValue));
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* read events into array
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* data is | delimited, just like addressbook
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* files are structured like this:
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* date|time|length|priority|title|message
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* files are divided by year for performance increase
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function readcalendardata() {
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global $calendardata, $username, $data_dir, $year;
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while ($fdata = fgetcsv ($fp, 4096, '|')) {
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$calendardata[$fdata[0]][$fdata[1]] = array( 'length' => $fdata[2],
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'priority' => $fdata[3],
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'title' => htmlspecialchars($fdata[4],ENT_NOQUOTES),
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'message' => htmlspecialchars($fdata[5],ENT_NOQUOTES),
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'reminder' => $fdata[6] );
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$calendardata[$fdata[0]][$fdata[1]] = array( 'length' => $fdata[2],
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'priority' => $fdata[3],
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'title' => str_replace("\n",' ',calendar_readmultiline($fdata[4])),
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'message' => calendar_readmultiline($fdata[5]),
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'reminder' => $fdata[6] );
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// this is to sort the events within a day on starttime
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while ( $calfoo = each ($calendardata)) {
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while ( $calbar = each ($calfoo['value'])) {
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$calfoobar = $calendardata[$calfoo['key']][$calbar['key']];
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array_walk($calfoobar,'calendar_encodedata');
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* Make sure that reminder field is set. Calendar forms don't implement it,
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* but it is still used for calendar data. Backwards compatibility.
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if (!isset($calfoobar['reminder'])) $calfoobar['reminder']='';
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$calstr = "$calfoo[key]|$calbar[key]|$calfoobar[length]|$calfoobar[priority]|$calfoobar[title]|$calfoobar[message]|$calfoobar[reminder]\n";
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if(sq_fwrite($fp, $calstr, 4096) === FALSE) {
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error_box(_("Could not write calendar file %s", "$username.$year.cal.tmp"), $color);
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error_box(_("Could not write calendar file %s", "$username.$year.cal.tmp"), $color);
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while ($fdata = fgetcsv ($fp, 4096, "|")) {
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if (($fdata[0]==$date) && ($fdata[1]==$time)){
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$calendardata[$fdata[0]][$fdata[1]] = array( 'length' => $fdata[2],
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$calendardata[$fdata[0]][$fdata[1]] = array( 'length' => $fdata[2],
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'priority' => $fdata[3],
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'message' => $fdata[5],
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'title' => $fdata[4],
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'message' => $fdata[5],
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'reminder' => $fdata[6] );
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writecalendardata();
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// same as delete but not saves calendar
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// saving is done inside event_edit.php
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* same as delete but does not save calendar
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* saving is done inside event_edit.php
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function update_event($date, $time) {
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global $calendardata, $username, $data_dir, $year;
added
removed
plugins/calendar/calendar_data.php
