','
','|'),array("\n","\n",'|'),$string); return $string; } /** * Callback function used to sanitize calendar data before saving it to file * @param string $sValue array value * @param string $sKey array key * @access private * @since 1.5.1 */ function calendar_encodedata(&$sValue, $sKey) { /** * add html line breaks * remove original ASCII line feeds and carriage returns * replace ASCII vertical bar with html code in order to sanitize field delimiter */ $sValue = str_replace(array("\n","\r",'|'),array('','','|'),nl2br($sValue)); } /** * read events into array * * data is | delimited, just like addressbook * files are structured like this: * date|time|length|priority|title|message * files are divided by year for performance increase */ function readcalendardata() { global $calendardata, $username, $data_dir, $year; $filename = getHashedFile($username, $data_dir, "$username.$year.cal"); if (file_exists($filename)){ $fp = fopen ($filename,'r'); if ($fp){ while ($fdata = fgetcsv ($fp, 4096, '|')) { $calendardata[$fdata[0]][$fdata[1]] = array( 'length' => $fdata[2], 'priority' => $fdata[3], 'title' => str_replace("\n",' ',calendar_readmultiline($fdata[4])), 'message' => calendar_readmultiline($fdata[5]), 'reminder' => $fdata[6] ); } fclose ($fp); // this is to sort the events within a day on starttime $new_calendardata = array(); foreach($calendardata as $day => $data) { ksort($data, SORT_NUMERIC); $new_calendardata[$day] = $data; } $calendardata = $new_calendardata; } } } /** * Saves calendar data * @return void * @access private */ function writecalendardata() { global $calendardata, $username, $data_dir, $year, $color; $filetmp = getHashedFile($username, $data_dir, "$username.$year.cal.tmp"); $filename = getHashedFile($username, $data_dir, "$username.$year.cal"); $fp = fopen ($filetmp,"w"); if ($fp) { while ( $calfoo = each ($calendardata)) { while ( $calbar = each ($calfoo['value'])) { $calfoobar = $calendardata[$calfoo['key']][$calbar['key']]; array_walk($calfoobar,'calendar_encodedata'); /** * Make sure that reminder field is set. Calendar forms don't implement it, * but it is still used for calendar data. Backwards compatibility. */ if (!isset($calfoobar['reminder'])) $calfoobar['reminder']=''; $calstr = "$calfoo[key]|$calbar[key]|$calfoobar[length]|$calfoobar[priority]|$calfoobar[title]|$calfoobar[message]|$calfoobar[reminder]\n"; if(sq_fwrite($fp, $calstr, 4096) === FALSE) { error_box(_("Could not write calendar file %s", "$username.$year.cal.tmp")); } } } fclose ($fp); @unlink($filename); rename($filetmp,$filename); } } /** * deletes event from file * @return void * @access private */ function delete_event($date, $time) { global $calendardata, $username, $data_dir, $year; $filename = getHashedFile($username, $data_dir, "$username.$year.cal"); $fp = fopen ($filename,'r'); if ($fp){ while ($fdata = fgetcsv ($fp, 4096, "|")) { if (($fdata[0]==$date) && ($fdata[1]==$time)){ // do nothing } else { $calendardata[$fdata[0]][$fdata[1]] = array( 'length' => $fdata[2], 'priority' => $fdata[3], 'title' => $fdata[4], 'message' => $fdata[5], 'reminder' => $fdata[6] ); } } fclose ($fp); } writecalendardata(); } /** * same as delete but does not save calendar * saving is done inside event_edit.php * @return void * @access private * @todo code reuse */ function update_event($date, $time) { global $calendardata, $username, $data_dir, $year; $filename = getHashedFile($username, $data_dir, "$username.$year.cal"); $fp = fopen ($filename,'r'); if ($fp){ while ($fdata = fgetcsv ($fp, 4096, '|')) { if (($fdata[0]==$date) && ($fdata[1]==$time)){ // do nothing } else { $calendardata[$fdata[0]][$fdata[1]] = array( 'length' => $fdata[2], 'priority' => $fdata[3], 'title' => $fdata[4], 'message' => $fdata[5], 'reminder' => $fdata[6] ); } } fclose ($fp); } }