Merge pull request #1 from temistokles/patch-1

Fix PHP notice in case tags are not present
thecsea · Jan 10, 2018 · 561c07e · 561c07e
2 parents b8f62de + c559780
commit 561c07e
Showing 1 changed file with 12 additions and 6 deletions.
diff --git a/src/CalDAVClient.php b/src/CalDAVClient.php
@@ -602,6 +602,10 @@ function CalendarUrls( $urls = null ) {
    * @param string $tagname The tag name to find the href inside of
    */
   function HrefValueInside( $tagname ) {
+      if (!isset($this->xmltags[$tagname])) {
+      	  return null;
+      }
+
       foreach( $this->xmltags[$tagname] AS $k => $v ) {
           $j = $v + 1;
           if ( $this->xmlnodes[$j]['tag'] == 'DAV::href' ) {
@@ -729,12 +733,14 @@ function FindCalendarHome( $recursed=false ) {
       }
 
       $calendar_home = array();
-      foreach( $this->xmltags['urn:ietf:params:xml:ns:caldav:calendar-home-set'] AS $k => $v ) {
-          if ( $this->xmlnodes[$v]['type'] != 'open' ) continue;
-          while( $this->xmlnodes[++$v]['type'] != 'close' && $this->xmlnodes[$v]['tag'] != 'urn:ietf:params:xml:ns:caldav:calendar-home-set' ) {
-              //        printf( "Tag: '%s' = '%s'\n", $this->xmlnodes[$v]['tag'], $this->xmlnodes[$v]['value']);
-              if ( $this->xmlnodes[$v]['tag'] == 'DAV::href' && isset($this->xmlnodes[$v]['value']) )
-                  $calendar_home[] = rawurldecode($this->xmlnodes[$v]['value']);
+      if (isset($this->xamltags['urn:ietf:params:xml:ns:caldav:calendar-home-set'])) {
+          foreach( $this->xmltags['urn:ietf:params:xml:ns:caldav:calendar-home-set'] AS $k => $v ) {
+              if ( $this->xmlnodes[$v]['type'] != 'open' ) continue;
+              while( $this->xmlnodes[++$v]['type'] != 'close' && $this->xmlnodes[$v]['tag'] != 'urn:ietf:params:xml:ns:caldav:calendar-home-set' ) {
+                  //        printf( "Tag: '%s' = '%s'\n", $this->xmlnodes[$v]['tag'], $this->xmlnodes[$v]['value']);
+                  if ( $this->xmlnodes[$v]['tag'] == 'DAV::href' && isset($this->xmlnodes[$v]['value']) )
+                      $calendar_home[] = rawurldecode($this->xmlnodes[$v]['value']);
+              }
           }
       }