deal with various unset variable warning situations

6 files changed, 13 insertions, 3 deletions

diff --git a/functions/calendar_functions.php b/functions/calendar_functions.php
index 23d23ec..d48713d 100644
--- a/functions/calendar_functions.php
+++ b/functions/calendar_functions.php
@@ -207,6 +207,7 @@ function getCalendarName($cal_path) {
 function display_ical_list($cals, $pick=FALSE) {
 	global $cal, $ALL_CALENDARS_COMBINED, $current_view, $getdate, $calendar_lang, $all_cal_comb_lang, $cal_filelist, $cal_displaynames;
 	// Print each calendar option.
+	$return = '';
 	foreach ($cals as $cal_tmp) {
 		// Format the calendar path for display.
 		//
diff --git a/functions/date_functions.php b/functions/date_functions.php
index 83e51af..0e2dca4 100644
--- a/functions/date_functions.php
+++ b/functions/date_functions.php
@@ -236,6 +236,7 @@ function extractDateTime($data, $property, $field) {
 		// Set the values.
 		$unixtime = strtotime($data);
 		$date = date('Ymd', $unixtime);
+		$time = '';
 		$allday = $data;
 	}
 	
diff --git a/functions/ical_parser.php b/functions/ical_parser.php
index 008ab86..6defc11 100644
--- a/functions/ical_parser.php
+++ b/functions/ical_parser.php
@@ -134,7 +134,7 @@ foreach ($cal_filelist as $cal_key=>$filename) {
 			$nextline = fgets($ifile, 1024);
 			$nextline = ereg_replace("[\r\n]", "", $nextline);
 			#handle continuation lines that start with either a space or a tab (MS Outlook)
-			while ($nextline{0} == " " || $nextline{0} == "\t") { 
+			while (isset($nextline{0}) && ($nextline{0} == " " || $nextline{0} == "\t")) { 
 				$line = $line . substr($nextline, 1);
 				$nextline = fgets($ifile, 1024);
 				$nextline = ereg_replace("[\r\n]", "", $nextline);
diff --git a/functions/init.inc.php b/functions/init.inc.php
index b6c99ee..1a0007f 100644
--- a/functions/init.inc.php
+++ b/functions/init.inc.php
@@ -50,7 +50,7 @@ if (isset($user_template["$cpath"])){
   $template = $user_template["$cpath"]; 
 }
 #set up specific webcals for a particular cpath
-if (is_array($more_webcals[$cpath])){
+if (isset($more_webcals) && is_array($more_webcals[$cpath])){
 	$list_webcals = array_merge($list_webcals, $more_webcals["$cpath"]);
 }
 include_once(BASE.'error.php');
diff --git a/functions/list_functions.php b/functions/list_functions.php
index 875a44b..7f6d817 100644
--- a/functions/list_functions.php
+++ b/functions/list_functions.php
@@ -14,6 +14,7 @@ function list_jumps() {
 
 function list_calcolors() {
 	global $template, $master_array, $unique_colors;
+	$return = '';
 	$i = 1;
 	if (is_array($master_array['-3'])) {
 		foreach ($master_array['-3'] as $key => $val) {
@@ -30,6 +31,7 @@ function list_months() {
 	global $getdate, $this_year, $cal, $dateFormat_month;
 	$month_time 	= strtotime("$this_year-01-01");
 	$getdate_month 	= date("m", strtotime($getdate));
+	$return = '';
 	for ($i=0; $i<12; $i++) {
 		$monthdate 		= date ("Ymd", $month_time);
 		$month_month 	= date("m", $month_time);
@@ -48,6 +50,7 @@ function list_months() {
 function list_years() {
 	global $getdate, $this_year, $cal, $num_years;
 	$year_time = strtotime($getdate);
+	$return = '';
 	for ($i=0; $i < $num_years; $i++) {
 		$offset = $num_years - $i;
 		$prev_time = strtotime("-$offset year", $year_time);
@@ -81,6 +84,7 @@ function list_weeks() {
 	$check_week 		= strtotime($getdate);
 	$start_week_time 	= strtotime(dateOfWeek(date("Ymd", strtotime("$this_year-01-01")), $week_start_day));
 	$end_week_time 		= $start_week_time + (6 * 25 * 60 * 60);
+	$return = '';
 		
 	do {
 		$weekdate 		= date ("Ymd", $start_week_time);
@@ -101,6 +105,7 @@ function list_weeks() {
 
 function list_languages() {
 	global $getdate, $cal, $current_view;
+	$return = '';
 	$dir_handle = @opendir(BASE.'languages/');
 	$tmp_pref_language = urlencode(ucfirst($language));
 	while ($file = readdir($dir_handle)) {
diff --git a/functions/template.php b/functions/template.php
index 9efd8ce..e5aab05 100644
--- a/functions/template.php
+++ b/functions/template.php
@@ -900,6 +900,8 @@ class Page {
 			$langtype = $daysofweek_lang;	
 		}
 		
+		$weekday_loop = '';
+		$middle = '';
 		for ($i=0; $i<7; $i++) {
 			$day_num 		= date("w", $start_day);
 			$weekday 		= $langtype[$day_num];
@@ -1006,6 +1008,7 @@ class Page {
 		$u_start = strtotime($m_start);
 		$i=0;
 		$seen_events = array();
+		$middle = '';
 		do {
 			if (isset($master_array[$m_start])) {
 				foreach ($master_array[$m_start] as $cal_time => $event_times) {
@@ -1020,7 +1023,7 @@ class Page {
 						$switch['CALNAME'] 	= $val['calname'];
 						if (!isset($val['event_start'])) {
 							$switch['START_TIME'] 	= $lang['l_all_day'];
-							$switch['EVENT_TEXT'] 	= openevent($m_start, $cal_time, $uid, $val, $month_event_lines, 15, 'psf');
+							$switch['EVENT_TEXT'] 	= openevent($m_start, $cal_time, $uid, $val, @$month_event_lines, 15, 'psf');
 							$switch['DESCRIPTION'] 	= urldecode($val['description']);
 						} else {
 							$event_start = $val['start_unixtime'];