Various little fixes to remove warnings (usually about empty variables)

when error_reporting is turned up to 15 or so ... more of these to come ...

admin/config.php

@@ -75,13 +75,16 @@
     if (!isset($config)) {
         $config = $CFG;
     }
+    if (!isset($focus)) {
+        $focus = "";
+    }
 
     $stradmin = get_string("administration");
     $strconfigvariables = get_string("configvariables");
 
     if ($site) {
-        print_header("$site->shortname: $strconfigvariables", "$site->fullname",
+        print_header("$site->shortname: $strconfigvariables", $site->fullname,
-                      "<A HREF=\"index.php\">$stradmin</A> -> $strconfigvariables", "$focus");
+                      "<A HREF=\"index.php\">$stradmin</A> -> $strconfigvariables", $focus);
         print_heading($strconfigvariables);
     } else {
         print_header();

admin/index.php

@@ -132,7 +132,7 @@
         }
         print_continue("index.php");
         print_simple_box_start("CENTER");
-        include("$CFG->dirroot/doc/release.html");
+        include("$CFG->dirroot/lang/en/docs/release.html");
         print_simple_box_end();
         print_continue("index.php");
         exit;
@@ -192,7 +192,7 @@
             }
     
         } else {    // module not installed yet, so install it
-            if (!$updated_modules) {
+            if (!empty($updated_modules)) {
                 $strmodulesetup    = get_string("modulesetup");
                 print_header($strmodulesetup, $strmodulesetup, $strmodulesetup);
             }
@@ -214,7 +214,7 @@
         }
     }
 
-    if ($updated_modules) {
+    if (!empty($updated_modules)) {
         print_continue("index.php");
         die;
     }
@@ -235,7 +235,7 @@
 
 /// If any new configurations were found then send to the config page to check
 
-    if ($configchange) {
+    if (!empty($configchange)) {
         redirect("config.php");
     }
 

admin/lang.php

@@ -261,7 +261,7 @@ function lang_save_file($path, $file, $strings) {
         $value = str_replace("\\","",$value);               // Delete all slashes
         $value = str_replace("$"."a", "\\$"."a", $value);   // Add slashes for $a
         $value = str_replace("\"", "\\\"", $value);         // Add slashes for "
-        if ($id == "string"){
+        if ($id == "string" and $value != ""){
             fwrite($f,"\$string['$stringname'] = \"$value\";\n");
         }
     }

course/grades.php

@@ -43,7 +43,7 @@
 
 
 /// Collect modules data
-    get_all_mods($course->id, $mods, $modnames, $modnamesplural, $modnamesused, $modsectioncounts);
+    get_all_mods($course->id, $mods, $modnames, $modnamesplural, $modnamesused);
 
 
 /// Search through all the modules, pulling out grade data

course/lib.php

@@ -342,7 +342,7 @@ function print_recent_activity($course) {
         }
     }
 
-    if ($changelist) {
+    if (!empty($changelist)) {
         foreach ($changelist as $changeinfo => $change) {
             if ($change) {
                 $changes[$changeinfo] = $change;
@@ -473,7 +473,7 @@ function print_section_block($heading, $course, $section, $mods, $modnames, $mod
             $moddata[] = "<a title=\"$mod->modfullname\" href=\"$CFG->wwwroot/mod/$mod->modname/view.php?id=$mod->id\">$instancename</a><BR>$editbuttons";
         }
     }
-    if (isediting($site->id)) {
+    if (isediting($course->id)) {
         $editmenu = popup_form("$CFG->wwwroot/course/mod.php?id=$course->id&section=0&add=", 
                    $modnames, "section0", "", get_string("add")."...", "mods", get_string("activities"), true);
         $editmenu = "<DIV ALIGN=right>$editmenu</DIV>";

course/user.php

@@ -61,7 +61,7 @@
     }
     echo "</TR></TABLE>";
 
-    get_all_mods($course->id, $mods, $modnames, $modnamesplural, $modnamesused, $modsectioncounts);
+    get_all_mods($course->id, $mods, $modnames, $modnamesplural, $modnamesused);
 
     switch ($mode) {
         case "todaylogs" :

course/view.php

@@ -26,19 +26,25 @@
 
     add_to_log($course->id, "course", "view", "view.php?id=$course->id", "$course->id");
 
+    if (isset($edit)) {
         if (isteacher($course->id)) {
             if ($edit == "on") {
                 $USER->editing = true;
             } else if ($edit == "off") {
                 $USER->editing = false;
             }
+            save_session("USER");
         }
+    }
+
+    if (isset($help)) {
         if ($help == "on") {
             $USER->help = true;
         } else if ($help == "off") {
             $USER->help = false;
         } 
         save_session("USER");
+    }
 
     $SESSION->fromdiscussion = "$CFG->wwwroot/course/view.php?id=$course->id";
     save_session("SESSION");
@@ -53,7 +59,7 @@
     print_header("$courseword: $course->fullname", "$course->fullname", "$course->shortname", "search.search", "", true,
                   update_course_icon($course->id));
 
-    get_all_mods($course->id, $mods, $modnames, $modnamesplural, $modnamesused, $modsectioncounts);
+    get_all_mods($course->id, $mods, $modnames, $modnamesplural, $modnamesused);
 
     if (! $sections = get_all_sections($course->id)) {
         $section->course = $course->id;   // Create a default section.

course/weeks.php

@@ -168,7 +168,7 @@
         if (isediting($course->id)) {
             echo "<DIV ALIGN=right>";
             popup_form("$CFG->wwwroot/course/mod.php?id=$course->id&section=$week&add=", 
-                        $modnames, "section$week", "", "$stradd...", "mods", $stractivities);
+                        $modnames, "section$week", "", "$stradd...");
             echo "</DIV>";
         }
 

index.php

@@ -26,6 +26,7 @@
                  "<META NAME=\"Description\" CONTENT=\"".stripslashes(strip_tags($site->summary))."\">",
                  true, "", $headerbutton);
 
+    $firstcolumn = false;  // for now
     $side = 175;
 
 ?>
@@ -38,7 +39,8 @@
   
      if ($site->newsitems > 0 or $sections[0]->sequence or isediting($site->id)) {
 
-         echo "<TD WIDTH=\"$side\" VALIGN=TOP NOWRAP>"; $firstcolumn=true;
+         echo "<TD WIDTH=\"$side\" VALIGN=TOP NOWRAP>"; 
+         $firstcolumn=true;
   
          if ($sections[0]->sequence or isediting($site->id)) {
              get_all_mods($site->id, $mods, $modnames, $modnamesplural, $modnamesused);

lang/en/docs/README.txt

@@ -13,6 +13,7 @@ I would suggest that you:
     MOST IMPORTANT
     |-------------------
     |
+    |   - files.php
     |   - install.html
     |   - upgrade.html
     |

lang/en/docs/release.html

@@ -26,7 +26,9 @@
      Arabic (from Ahmed Nabil), Turkish (from M. Cüneyt Birkök) and Swedish (from Set Lonnert).  Many thanks 
      to these guys!  All other languages have also had updates and fixes since 1.0.7.
      The language editor has been improved slightly, making it easier to see
-     new strings and empty strings that need translating.</DD>
+     new strings and empty strings that need translating.  All documentation is 
+     now able to be localised and will appear in the current language if 
+     translated versions exist.</DD>
 
 <DT> Themes </DT>
 <DD> Theme support of CSS has been extended to give theme makers more control 

lib/defaults.php

@@ -21,6 +21,7 @@
        "proxyhost"        => "",
        "proxyport"        => "",
        "maxeditingtime"   =>  1800,
+       "changepassword"   =>  true,
        "country"          => "",
        "guestloginbutton" =>  1
     );

lib/moodlelib.php

@@ -102,6 +102,11 @@ function format_time($totalsecs, $str=NULL) {
     $sh = ($hours == 1) ? $str->hour : $str->hours;
     $sd = ($days == 1)  ? $str->day  : $str->days;
 
+    $odays = "";
+    $ohours = "";
+    $omins = "";
+    $osecs = "";
+
     if ($days)  $odays  = "$days $sd";
     if ($hours) $ohours = "$hours $sh";
     if ($mins)  $omins  = "$mins $sm";
@@ -268,7 +273,7 @@ function require_login($courseid=0) {
     
     // Next, check if the user can be in a particular course
     if ($courseid) {
-        if ($USER->student[$courseid] || $USER->teacher[$courseid] || $USER->admin) {
+        if (!empty($USER->student[$courseid]) or !empty($USER->teacher[$courseid]) or !empty($USER->admin)) {
             if (isset($USER->realuser)) {   // Make sure the REAL person can also access this course
                 if (!isteacher($courseid, $USER->realuser)) {
                     print_header();
@@ -416,6 +421,9 @@ function isediting($courseid, $user=NULL) {
     if (!$user){
         $user = $USER;
     }
+    if (empty($user->editing)) {
+        return false;
+    }
     return ($user->editing and isteacher($courseid, $user->id));
 }
 
@@ -770,6 +778,9 @@ function make_mod_upload_directory($courseid) {
 
 function valid_uploaded_file($newfile) {
 /// Returns current name of file on disk if true
+    if (empty($newfile)) {
+        return "";
+    }
     if (is_uploaded_file($newfile['tmp_name']) and $newfile['size'] > 0) {
         return $newfile['tmp_name'];
     } else {

lib/setup.php

@@ -127,9 +127,9 @@
 /// then use the one from the default language.  Otherwise (and this is the 
 /// majority of cases), use the stored locale specified by admin.
 
-    if ($USER->lang and ($USER->lang != $CFG->lang) ) {
+    if (!empty($USER->lang) and ($USER->lang != $CFG->lang) ) {
         $CFG->locale = get_string("locale");
-    } else if (!$CFG->locale) {
+    } else if (empty($CFG->locale)) {
         $CFG->locale = get_string("locale");
         set_config("locale", $CFG->locale);   // cache it to save lookups in future
     }

lib/weblib.php

@@ -272,7 +272,10 @@ function choose_from_menu ($options, $name, $selected="", $nothing="choose", $sc
 
     if ($script) {
         $javascript = "onChange=\"$script\"";
+    } else {
+        $javascript = "";
     }
+
     $output = "<SELECT NAME=$name $javascript>\n";
     if ($nothing) {
         $output .= "   <OPTION VALUE=\"$nothingvalue\"\n";
@@ -338,14 +341,14 @@ function popup_form ($common, $options, $formname, $selected="", $nothing="choos
         }
     }
     $output .= "</SELECT>";
-    if (!$return and $help) {
-        helpbutton($help, $helptext);
-    }
     $output .= "</FORM>\n";
 
     if ($return) {
         return $output;
     } else {
+        if ($help) {
+            helpbutton($help, $helptext);
+        }
         echo $output;
     }
 }
@@ -612,7 +615,7 @@ function print_footer ($course=NULL) {
         $realuserinfo = "";
     }
 
-    if ($USER->id) {
+    if (isset($USER->id) and $USER->id) {
         $username = "<A HREF=\"$CFG->wwwroot/user/view.php?id=$USER->id&course=$course->id\">$USER->firstname $USER->lastname</A>";
         $loggedinas = $realuserinfo.get_string("loggedinas", "moodle", "$username").
                       " (<A HREF=\"$CFG->wwwroot/login/logout.php\">".get_string("logout")."</A>)";
@@ -889,7 +892,7 @@ function update_course_icon($courseid) {
     global $CFG, $USER;
 
     if (isteacher($courseid)) {
-        if ($USER->editing) {
+        if (!empty($USER->editing)) {
             $string = get_string("turneditingoff");
             $edit = "off";
         } else {

login/index.php

@@ -71,15 +71,21 @@
     }
 
     
+    if (empty($errormsg)) {
+        $errormsg = "";
+    }
+
     if (empty($SESSION->wantsurl)) {
 	    $SESSION->wantsurl = $HTTP_REFERER;
         save_session("SESSION");
     }
     
-    if (!$frm->username) 
+    if (empty($frm->username)) {
         $frm->username = get_moodle_cookie();
+        $frm->password = "";
+    }
     
-    if ($frm->username) {
+    if (!empty($frm->username)) {
         $focus = "form.password";
     } else {
         $focus = "form.username";

mod/assignment/index.php

@@ -57,9 +57,14 @@
         }
         $due = userdate($assignment->timedue);
         $link = "<A HREF=\"view.php?id=$assignment->coursemodule\">$assignment->name</A>";
+        if ($assignment->section) {
+            $section = "$assignment->section";
+        } else {
+            $section = "";
+        }
 
         if ($course->format == "weeks" or $course->format == "topics") {
-            $table->data[] = array ($assignment->section, $link, $due, $submitted);
+            $table->data[] = array ($section, $link, $due, $submitted);
         } else {
             $table->data[] = array ($link, $due, $submitted);
         }

mod/forum/discuss.php

@@ -58,7 +58,7 @@
 
     $navmiddle = "<A HREF=\"../forum/index.php?id=$course->id\">".get_string("forums", "forum")."</A> -> <A HREF=\"../forum/view.php?f=$forum->id\">$forum->name</A>";
 
-    $searchform = forum_print_search_form($course, $search, true, "plain");
+    $searchform = forum_print_search_form($course, "", true, "plain");
 
     if ($course->category) {
         print_header("$course->shortname: $discussion->name", "$course->fullname",

mod/forum/lib.php

@@ -1071,7 +1071,7 @@ function forum_set_return() {
 function forum_go_back_to($default) {
     global $SESSION;
 
-    if ($SESSION->fromdiscussion) {
+    if (!empty($SESSION->fromdiscussion)) {
         $returnto = $SESSION->fromdiscussion;
         unset($SESSION->fromdiscussion);
         save_session("SESSION");
@@ -1467,7 +1467,7 @@ function forum_print_latest_discussions($forum_id=0, $forum_numdiscussions=5, $f
             echo get_string("olderdiscussions", "forum")."</A> ...</P>";
             break;
         }
-        if ($replies[$discussion->discussion]) {
+        if (!empty($replies[$discussion->discussion])) {
             $discussion->replies = $replies[$discussion->discussion]->replies;
         } else {
             $discussion->replies = 0;
@@ -1624,7 +1624,7 @@ function forum_set_display_mode($mode=0) {
     if ($mode) {
         $USER->mode = $mode;
         save_session("USER");
-    } else if (!$USER->mode) {
+    } else if (empty($USER->mode)) {
         $USER->mode = $FORUM_DEFAULT_DISPLAY_MODE;
         save_session("USER");
     }

mod/forum/post.php

@@ -68,6 +68,7 @@
         $onsubmit = "onsubmit=\"copyrichtext(theform.message);\"";
     } else {
         $defaultformat = FORMAT_MOODLE;
+        $onsubmit = "";
     }
 
 
@@ -271,6 +272,10 @@
         $navtail = "$toppost->subject";
     }
 
+    if (empty($post->edit)) {
+        $post->edit = "";
+    }
+
     $strforums = get_string("modulenameplural", "forum");
 
 
@@ -278,13 +283,17 @@
 
     $cm = get_coursemodule_from_instance("forum", $forum->id, $course->id);
 
+    if (empty($discussion->name)) {
+        $discussion->name = $forum->name;
+    }
+
     if ($course->category) {
         print_header("$course->shortname: $discussion->name: $toppost->subject", "$course->fullname",
                  "<A HREF=../../course/view.php?id=$course->id>$course->shortname</A> ->
-                  $navmiddle -> $navtail", "$forumstart", "", true, "", navmenu($course, $cm));
+                  $navmiddle -> $navtail", "$formstart", "", true, "", navmenu($course, $cm));
     } else {
         print_header("$course->shortname: $discussion->name: $toppost->subject", "$course->fullname",
-                 "$navmiddle -> $navtail", "");
+                 "$navmiddle -> $navtail", "$formstart", "", true, "", navmenu($course, $cm));
 
     }
 

mod/journal/index.php

@@ -49,7 +49,7 @@
 
     foreach ($journals as $journal) {
 
-        $entrytext = get_field("journal_entries", "text", "userid", $USER->id, "journal", $journal->id");
+        $entrytext = get_field("journal_entries", "text", "userid", $USER->id, "journal", $journal->id);
 
         $journal->timestart  = $course->startdate + (($journal->section - 1) * 608400);
         if ($journal->daysopen) {
@@ -66,8 +66,13 @@
         } else {
             $text .= "$strview</A></P>";
         }
+        if ($journal->section) {
+            $section = "$journal->section";
+        } else {
+            $section = "";
+        }
         if ($course->format == "weeks" or $course->format == "topics") {
-            $table->data[] = array ("$journal->section",
+            $table->data[] = array ($section,
                                     text_to_html($journal->intro),
                                     $text);
         } else {

mod/quiz/index.php

@@ -62,8 +62,14 @@
 
         $bestgrade = quiz_get_best_grade($quiz->id, $USER->id);
 
+        if ($quiz->section) {
+            $section = "$quiz->section";
+        } else {
+            $section = "";
+        }
+
         if ($course->format == "weeks" or $course->format == "topics") {
-            $table->data[] = array ($quiz->section, $link, "$bestgrade / $quiz->grade");
+            $table->data[] = array ($section, $link, "$bestgrade / $quiz->grade");
         } else {
             $table->data[] = array ($link, "$bestgrade / $quiz->grade");
         }

mod/quiz/lib.php

@@ -182,6 +182,8 @@ function quiz_print_recent_activity(&$logs, $isteacher=false) {
 
     global $CFG, $COURSE_TEACHER_COLOR;
 
+    $content = "";
+
     return $content;  // True if anything was printed, otherwise false
 }
 

mod/survey/index.php

@@ -49,8 +49,13 @@
         } else {
             $ss = $strnotdone;
         }
+        if ($survey->section) {
+            $section = "$survey->section";
+        } else {
+            $section = "";
+        }
         if ($course->format == "weeks" or $course->format == "topics") {
-            $table->data[] = array ("$survey->section", 
+            $table->data[] = array ($section, 
                                     "<A HREF=\"view.php?id=$survey->coursemodule\">$survey->name</A>",
                                     "<A HREF=\"view.php?id=$survey->coursemodule\">$ss</A>");
         } else {

user/edit.html

@@ -7,14 +7,14 @@ if (isadmin()) {
 	echo "<td><input type=text name=username size=20 value=\"";
     p($user->username);
     echo "\">";
-	echo formerr($err["username"]);
+	if (isset($err["username"])) formerr($err["username"]);
 	echo "</td>";
     echo "</tr>";
 
     echo "<tr valign=top>";
 	echo "<td><P>".get_string("newpassword").":</td>";
 	echo "<td><input type=text name=newpassword size=20 value=\"";
-    p($user->newpassword);
+    if (isset($user->newpassword)) p($user->newpassword);
     echo "\">";
 	if (isset($err["newpassword"])) {
         formerr($err["newpassword"]);
@@ -29,19 +29,19 @@ if (isadmin()) {
 <tr valign=top>
 	<td><P><? print_string("firstname") ?>:</td>
 	<td><input type="text" name="firstname" size=30 value="<? p($user->firstname) ?>">
-	<? formerr($err["firstname"]) ?>
+	<? if (isset($err["firstname"])) formerr($err["firstname"]); ?>
 	</td>
 </tr>
 <tr valign=top>
 	<td><P><? print_string("lastname") ?>:</td>
 	<td><input type="text" name="lastname" size=30 value="<? p($user->lastname) ?>">
-	<? formerr($err["lastname"]) ?>
+	<? if (isset($err["lastname"])) formerr($err["lastname"]); ?>
 	</td>
 </tr>
 <tr valign=top>
 	<td><P><? print_string("email") ?>:</td>
 	<td><input type="text" name="email" size=30 value="<? p($user->email) ?>">
-	<? formerr($err["email"]) ?>
+	<? if (isset($err["email"])) formerr($err["email"]); ?>
 	</td>
 </tr>
 <tr valign=top>
@@ -76,7 +76,7 @@ if (isadmin()) {
 <tr valign=top>
 	<td><P><? print_string("city") ?>:</td>
 	<td><input type="text" name="city" size=25 value="<? p($user->city) ?>">
-	<? formerr($err["city"]) ?>
+	<? if (isset($err["city"])) formerr($err["city"]); ?>
 	</td>
 </tr>
 <tr valign=top>
@@ -88,7 +88,7 @@ if (isadmin()) {
     }
     
     choose_from_menu ($COUNTRIES, "country", $user->country, get_string("selectacountry")."...", "", "") ?>
-	<? formerr($err["country"]) ?>
+	<? if (isset($err["country"])) formerr($err["country"]); ?>
 	</td>
 </tr>
 <tr valign=top>
@@ -99,7 +99,7 @@ if (isadmin()) {
                }
                choose_from_menu ($languages, "lang", $user->lang, "", "", "");
            }
-	       formerr($err["lang"]);
+	       if (isset($err["lang"])) formerr($err["lang"]);
         ?>
 	</td>
 </tr>
@@ -125,13 +125,13 @@ if (isadmin()) {
 
        choose_from_menu ($timezones, "timezone", $user->timezone, get_string("serverlocaltime"), "", "99");
 
-       echo "(".get_string(currentlocaltime).")";
+       echo "(".get_string("currentlocaltime").")";
 	?>
     </td>
 </tr>
 <tr valign=top>
 	<td><P><? print_string("userdescription") ?>:</td>
-	<td><? if ($err["description"]) {
+	<td><? if (isset($err["description"])) {
                formerr($err["description"]);
                echo "<BR>";
            } ?>
@@ -149,44 +149,44 @@ if (isadmin()) {
     <input type="file" name="imagefile" size=40>
     <? helpbutton("picture", get_string("helppicture"));
        print_string("maxsize", "", display_size(get_max_upload_file_size())); 
-	   formerr($err["imagefile"]);
+	   if (isset($err["imagefile"])) formerr($err["imagefile"]);
     ?>
 	</td>
 </tr>
 <tr valign=top>
 	<td><P><? print_string("webpage") ?>:</td>
 	<td><input type="text" name="url" size=50 value="<? p($user->url) ?>">
-	<? formerr($err["url"]) ?>
+	<? if (isset($err["url"])) formerr($err["url"]); ?>
 	</td>
 </tr>
 <tr valign=top>
 	<td><P><? print_string("icqnumber") ?>:</td>
 	<td><input type="text" name="icq" size=25 value="<? p($user->icq) ?>">
-	<? formerr($err["icq"]) ?>
+	<? if (isset($err["icq"])) formerr($err["icq"]); ?>
 	</td>
 </tr>
 <tr valign=top>
 	<td><P><? print_string("idnumber") ?>:</td>
 	<td><input type="text" name="idnumber" size=25 value="<? p($user->idnumber) ?>"> <? p($teacheronly) ?>
-	<? formerr($err["idnumber"]) ?>
+	<? if (isset($err["idnumber"])) formerr($err["idnumber"]); ?>
 	</td>
 </tr>
 <tr valign=top>
 	<td><P><? print_string("phone") ?> 1:</td>
 	<td><input type="text" name="phone1" size=25 value="<? p($user->phone1) ?>"> <? p($teacheronly) ?>
-	<? formerr($err["phone1"]) ?>
+	<? if (isset($err["phone1"])) formerr($err["phone1"]); ?>
 	</td>
 </tr>
 <tr valign=top>
 	<td><P><? print_string("phone") ?> 2:</td>
 	<td><input type="text" name="phone2" size=25 value="<? p($user->phone2) ?>"> <? p($teacheronly) ?>
-	<? formerr($err["phone2"]) ?>
+	<? if (isset($err["phone2"])) formerr($err["phone2"]); ?>
 	</td>
 </tr>
 <tr valign=top>
 	<td><P><? print_string("address") ?>:</td>
 	<td><input type="text" name="address" size=25 value="<? p($user->address) ?>"> <? p($teacheronly) ?>
-	<? formerr($err["address"]) ?>
+	<? if (isset($err["address"])) formerr($err["address"]); ?>
 	</td>
 </tr>
 <tr>

user/edit.php

@@ -136,11 +136,13 @@
     $teacher = strtolower($course->teacher);
     if (!isadmin()) {
         $teacheronly = "(".get_string("teacheronly", "", $teacher).")";
+    } else {
+        $teacheronly = "";
     }
 
     print_heading( get_string("userprofilefor", "", "$userfullname") );
     print_simple_box_start("center", "", "$THEME->cellheading");
-    if ($err) {
+    if (!empty($err)) {
        echo "<CENTER>";
        notify(get_string("someerrorswerefound"));
        echo "</CENTER>";

version.php

@@ -5,7 +5,7 @@
 // database to determine whether upgrades should
 // be performed (see lib/db/*.php)
 
-$version = 2002122301;   // The current version is a date (YYYYMMDDXX)
+$version = 2002122700;   // The current version is a date (YYYYMMDDXX)
 
 $release = "1.0.8 dev";  // User-friendly version number