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Form usage in PHP


huck

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Hi Folks

 

There is a bit of code I am struggling to grasp. It is used to print a range of data based on a custom date range.

function print_log_selector_form_range($selectedfromdate='today', $selectedtodate='today', $logformat='showashtml') {

    global $USER, $CFG;

    $strftimedate = get_string("strftimedate");

    $strftimedaydate = get_string("strftimedaydate");

    // Prepare the list of action options.

    $actions = array(

        'view' => get_string('view'),

        'add' => get_string('add'),

        'update' => get_string('update'),

        'delete' => get_string('delete'),

        '-view' => get_string('allchanges')

    );


    // Get all the possible dates

    // Note that we are keeping track of real (GMT) time and user time

    // User time is only used in displays - all calcs and passing is GMT

    $timenow = time(); // GMT

    //echo "<br />";    

    // What day is it now for the user, and when is midnight that day (in GMT).

    $timemidnight = $today = usergetmidnight($timenow);

    //echo "<br />";    

    // Put today up the top of the list

    $dates = array("$timemidnight" => get_string("today").", ".userdate($timenow, $strftimedate) );

    $numdates = 1;

    while ($timemidnight > $COURSE->startdate and $numdates < 365) {

        $timemidnight = $timemidnight - 86400;

        $timenow = $timenow - 86400;

        $dates["$timemidnight"] = userdate($timenow, $strftimedaydate);

        $numdates++;

    }

    if ($selecteddate == "today") {

        $selecteddate = $today;

    }

    echo "<form class=\"logselectform\" action=\"$CFG->wwwroot/admin/report/mentorprogress/index.php\" method=\"get\">\n";

    echo "<div>\n";

    echo "<input type=\"hidden\" name=\"chooselog\" value=\"1\" />\n";
    

  // echo html_writer::select($options, $name, $selected, array($nothingvalue=>$nothing), $attributes);

//choose_from_menu ($dates, "fromdate", $selectedfromdate, get_string("alldays"));

//~ print "<pre>";

//~ print_r($dates);

//~ print "</pre>";

    echo $selectedfromdate;

    echo "<br />";    

    echo $selectedtodate;

    echo "<br />";    

  echo  html_writer::select($dates, "fromdate",$selectedfromdate, get_string("alldays"));

   // choose_from_menu ($dates, "todate", $selectedtodate, get_string("alldays"));

   echo html_writer::select($dates,"todate",$selectedtodate, get_string("alldays"));

    $logformats = array('showashtml' => get_string('displayonpage'),

                        'downloadasexcel' => get_string('downloadexcel'));

    //choose_from_menu ($logformats, 'logformat', $logformat, false);

   echo html_writer::select($logformats, 'logformat', $logformat, false);

    echo '<input type="submit" value="'.get_string('gettheselogs').'" />';

    echo '</div>';

    echo '</form>';

}

This function above is in lib.php, and is called from index.php via this function:

//echo $fromdate;
//echo $todate;
 
print_log_selector_form_range($fromdate, $todate, $logformat);
 
//echo $fromdate;
//echo $todate; 

if($logformat == 'showashtml'){
            
        print_overview_table($users, $fromdate, $todate);
        
    } 

I check the dates before and after this function is called and the dates remain at zero, even after selecting valid date ranges. By printing the array to screen I can see that the $dates array has valid entries.

 

The function "print_overview_table" below "print_log_selector_form_range" is supposed to print the valid range to the screen.

function print_overview_table($users, $fromdate, $todate){

    //check data

    if(!$users){

        die('No Records To Display.');

    }   

    //$users = get_mentor_users($DB, $fromdate, $todate, $sumpcat);

    //~ print "<pre>";

    //~ print_r($users);

    //~ print "</pre>";
     

    //start table

    echo '<br><br><table class="logtable generalbox boxaligncenter" width="95%" border="1" cellspacing="0" cellpadding="5" style="padding:2px;">';

    //add report name

    echo '<tr><td colspan="5">Admin Report - Mentor Marking Progress</td></tr>';

    //add report headings

    echo '<tr>

    <th>Mentor</th>

    <th>Total Summative marked</th>

    <th>Competent</th>

    <th>Not Yet Competent</th>

      </tr>';
  
    //populate
   
    //foreach($users as $user){

    foreach($users as $key => $user)

    {
       
/*[id] => 2

            [totalmarked] => 1

            [totalcommarked] => 1

            [totalsummarked] => 0

            [markedcompetent] => 1

            [markedincompetent] => 0

 *

 */
      

        echo '<tr>';
      
        //echo "<td><a href=\"viewdash.php?mentor=$user->id&todate=$todate&fromdate=$fromdate\">", get_mentor_name($DB, $users[$key]->id),"</a></td>";

        echo "<td><a href=\"viewdash.php?mentor=$user->id&todate=$todate&fromdate=$fromdate\">", $users[$key]->firstname ,' ',$users[$key]->lastname,"</a></td>";
       
        echo "<td>",$users[$key]->totalsummarked,"</td>";

        echo "<td>",$users[$key]->markedcompetent,"</td>";

        echo "<td>",$users[$key]->markedincompetent,"</td>";

        echo '</tr>';
       
    }
   
    //end table

    echo '</table><br><br>';

}

When a user submits the date ranges the page goes blank.

 

Can anyone give me some pointers to fix this.

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Right off the top, I don't see where you're declaring $selecteddate. You've got $selectedfromdate and $selectedtodate as parameters of print_log_selector_form_range(), but there's a content check on $selecteddate that doesn't exist. I don't see where else it's used in the function either, but I haven't had my third cup of coffee yet this morning.

 

Add error_reporting(-1); to the top of your index page and see what it has to say.

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Inserted the following at the top of both index.php and lib.php.

error_reporting(E_ALL | E_STRICT);

  ini_set("display_errors", 1);

No errors pop up when submitting values but page still goes blank.

 

SIDE NOTE: If no values are input, the report shows all mentors and how far they have marked, but as soon as date ranges are set, and submitted, the page goes blank.

 

NOTE: $selecteddate can safely be ignored, since it is not used in index.php or lib.php.

 

After selecting date range and clicking "Get these logs", the page url shows:

http://"something.com"/admin/report/mentorprogress/index.php?chooselog=1&fromdate=1394748000&todate=1396216800&logformat=showashtml 

Then on the page


	Not Found
The requested URL /admin/report/mentorprogress/index.php was not found on this server.


	Apache Server at "something.com" Port 80

Only thing is that index.php does exist. Full code for both files included.

 

mentor.zip

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Only manually while testing. I have printed the entire date array to screen, and I get valid results as below. If there is a better way to check, would appreciate some pointers.

Array
(
    [1396735200] => Today, 6 April 2014
    [1396648800] => Saturday, 5 April 2014
    [1396562400] => Friday, 4 April 2014
    [1396476000] => Thursday, 3 April 2014
    [1396389600] => Wednesday, 2 April 2014
    [1396303200] => Tuesday, 1 April 2014
    [1396216800] => Monday, 31 March 2014
    [1396130400] => Sunday, 30 March 2014
    [1396044000] => Saturday, 29 March 2014
    [1395957600] => Friday, 28 March 2014
    [1395871200] => Thursday, 27 March 2014
    [1395784800] => Wednesday, 26 March 2014
    [1395698400] => Tuesday, 25 March 2014
    [1395612000] => Monday, 24 March 2014
    [1395525600] => Sunday, 23 March 2014
    [1395439200] => Saturday, 22 March 2014
    [1395352800] => Friday, 21 March 2014
    [1395266400] => Thursday, 20 March 2014
    [1395180000] => Wednesday, 19 March 2014
    [1395093600] => Tuesday, 18 March 2014
    [1395007200] => Monday, 17 March 2014
    [1394920800] => Sunday, 16 March 2014
    [1394834400] => Saturday, 15 March 2014
    [1394748000] => Friday, 14 March 2014
    [1394661600] => Thursday, 13 March 2014
    [1394575200] => Wednesday, 12 March 2014
    [1394488800] => Tuesday, 11 March 2014
    [1394402400] => Monday, 10 March 2014
    [1394316000] => Sunday, 9 March 2014
    [1394229600] => Saturday, 8 March 2014
    [1394143200] => Friday, 7 March 2014
    [1394056800] => Thursday, 6 March 2014
    [1393970400] => Wednesday, 5 March 2014
    [1393884000] => Tuesday, 4 March 2014
    [1393797600] => Monday, 3 March 2014
    [1393711200] => Sunday, 2 March 2014
    [1393624800] => Saturday, 1 March 2014
    [1393538400] => Friday, 28 February 2014
    [1393452000] => Thursday, 27 February 2014
    [1393365600] => Wednesday, 26 February 2014
    [1393279200] => Tuesday, 25 February 2014
    [1393192800] => Monday, 24 February 2014
    [1393106400] => Sunday, 23 February 2014
    [1393020000] => Saturday, 22 February 2014
    [1392933600] => Friday, 21 February 2014
    [1392847200] => Thursday, 20 February 2014
    [1392760800] => Wednesday, 19 February 2014
    [1392674400] => Tuesday, 18 February 2014
    [1392588000] => Monday, 17 February 2014
    [1392501600] => Sunday, 16 February 2014
    [1392415200] => Saturday, 15 February 2014
    [1392328800] => Friday, 14 February 2014
    [1392242400] => Thursday, 13 February 2014
    [1392156000] => Wednesday, 12 February 2014
    [1392069600] => Tuesday, 11 February 2014
    [1391983200] => Monday, 10 February 2014
    [1391896800] => Sunday, 9 February 2014
    [1391810400] => Saturday, 8 February 2014
    [1391724000] => Friday, 7 February 2014
    [1391637600] => Thursday, 6 February 2014
    [1391551200] => Wednesday, 5 February 2014
    [1391464800] => Tuesday, 4 February 2014
    [1391378400] => Monday, 3 February 2014
    [1391292000] => Sunday, 2 February 2014
    [1391205600] => Saturday, 1 February 2014
    [1391119200] => Friday, 31 January 2014
    [1391032800] => Thursday, 30 January 2014
    [1390946400] => Wednesday, 29 January 2014
    [1390860000] => Tuesday, 28 January 2014
    [1390773600] => Monday, 27 January 2014
    [1390687200] => Sunday, 26 January 2014
    [1390600800] => Saturday, 25 January 2014
    [1390514400] => Friday, 24 January 2014
    [1390428000] => Thursday, 23 January 2014
    [1390341600] => Wednesday, 22 January 2014
    [1390255200] => Tuesday, 21 January 2014
    [1390168800] => Monday, 20 January 2014
    [1390082400] => Sunday, 19 January 2014
    [1389996000] => Saturday, 18 January 2014
    [1389909600] => Friday, 17 January 2014
    [1389823200] => Thursday, 16 January 2014
    [1389736800] => Wednesday, 15 January 2014
    [1389650400] => Tuesday, 14 January 2014
    [1389564000] => Monday, 13 January 2014
    [1389477600] => Sunday, 12 January 2014
    [1389391200] => Saturday, 11 January 2014
    [1389304800] => Friday, 10 January 2014
    [1389218400] => Thursday, 9 January 2014
    [1389132000] => Wednesday, 8 January 2014
    [1389045600] => Tuesday, 7 January 2014
    [1388959200] => Monday, 6 January 2014
    [1388872800] => Sunday, 5 January 2014
    [1388786400] => Saturday, 4 January 2014
    [1388700000] => Friday, 3 January 2014
    [1388613600] => Thursday, 2 January 2014
    [1388527200] => Wednesday, 1 January 2014
    [1388440800] => Tuesday, 31 December 2013
    [1388354400] => Monday, 30 December 2013
    [1388268000] => Sunday, 29 December 2013
    [1388181600] => Saturday, 28 December 2013
    [1388095200] => Friday, 27 December 2013
    [1388008800] => Thursday, 26 December 2013
    [1387922400] => Wednesday, 25 December 2013
    [1387836000] => Tuesday, 24 December 2013
    [1387749600] => Monday, 23 December 2013
    [1387663200] => Sunday, 22 December 2013
    [1387576800] => Saturday, 21 December 2013
    [1387490400] => Friday, 20 December 2013
    [1387404000] => Thursday, 19 December 2013
    [1387317600] => Wednesday, 18 December 2013
    [1387231200] => Tuesday, 17 December 2013
    [1387144800] => Monday, 16 December 2013
    [1387058400] => Sunday, 15 December 2013
    [1386972000] => Saturday, 14 December 2013
    [1386885600] => Friday, 13 December 2013
    [1386799200] => Thursday, 12 December 2013
    [1386712800] => Wednesday, 11 December 2013
    [1386626400] => Tuesday, 10 December 2013
    [1386540000] => Monday, 9 December 2013
    [1386453600] => Sunday, 8 December 2013
    [1386367200] => Saturday, 7 December 2013
    [1386280800] => Friday, 6 December 2013
    [1386194400] => Thursday, 5 December 2013
    [1386108000] => Wednesday, 4 December 2013
    [1386021600] => Tuesday, 3 December 2013
    [1385935200] => Monday, 2 December 2013
    [1385848800] => Sunday, 1 December 2013
    [1385762400] => Saturday, 30 November 2013
    [1385676000] => Friday, 29 November 2013
    [1385589600] => Thursday, 28 November 2013
    [1385503200] => Wednesday, 27 November 2013
    [1385416800] => Tuesday, 26 November 2013
    [1385330400] => Monday, 25 November 2013
    [1385244000] => Sunday, 24 November 2013
    [1385157600] => Saturday, 23 November 2013
    [1385071200] => Friday, 22 November 2013
    [1384984800] => Thursday, 21 November 2013
    [1384898400] => Wednesday, 20 November 2013
    [1384812000] => Tuesday, 19 November 2013
    [1384725600] => Monday, 18 November 2013
    [1384639200] => Sunday, 17 November 2013
    [1384552800] => Saturday, 16 November 2013
    [1384466400] => Friday, 15 November 2013
    [1384380000] => Thursday, 14 November 2013
    [1384293600] => Wednesday, 13 November 2013
    [1384207200] => Tuesday, 12 November 2013
    [1384120800] => Monday, 11 November 2013
    [1384034400] => Sunday, 10 November 2013
    [1383948000] => Saturday, 9 November 2013
    [1383861600] => Friday, 8 November 2013
    [1383775200] => Thursday, 7 November 2013
    [1383688800] => Wednesday, 6 November 2013
    [1383602400] => Tuesday, 5 November 2013
    [1383516000] => Monday, 4 November 2013
    [1383429600] => Sunday, 3 November 2013
    [1383343200] => Saturday, 2 November 2013
    [1383256800] => Friday, 1 November 2013
    [1383170400] => Thursday, 31 October 2013
    [1383084000] => Wednesday, 30 October 2013
    [1382997600] => Tuesday, 29 October 2013
    [1382911200] => Monday, 28 October 2013
    [1382824800] => Sunday, 27 October 2013
    [1382738400] => Saturday, 26 October 2013
    [1382652000] => Friday, 25 October 2013
    [1382565600] => Thursday, 24 October 2013
    [1382479200] => Wednesday, 23 October 2013
    [1382392800] => Tuesday, 22 October 2013
    [1382306400] => Monday, 21 October 2013
    [1382220000] => Sunday, 20 October 2013
    [1382133600] => Saturday, 19 October 2013
    [1382047200] => Friday, 18 October 2013
    [1381960800] => Thursday, 17 October 2013
    [1381874400] => Wednesday, 16 October 2013
    [1381788000] => Tuesday, 15 October 2013
    [1381701600] => Monday, 14 October 2013
    [1381615200] => Sunday, 13 October 2013
    [1381528800] => Saturday, 12 October 2013
    [1381442400] => Friday, 11 October 2013
    [1381356000] => Thursday, 10 October 2013
    [1381269600] => Wednesday, 9 October 2013
    [1381183200] => Tuesday, 8 October 2013
    [1381096800] => Monday, 7 October 2013
    [1381010400] => Sunday, 6 October 2013
    [1380924000] => Saturday, 5 October 2013
    [1380837600] => Friday, 4 October 2013
    [1380751200] => Thursday, 3 October 2013
    [1380664800] => Wednesday, 2 October 2013
    [1380578400] => Tuesday, 1 October 2013
    [1380492000] => Monday, 30 September 2013
    [1380405600] => Sunday, 29 September 2013
    [1380319200] => Saturday, 28 September 2013
    [1380232800] => Friday, 27 September 2013
    [1380146400] => Thursday, 26 September 2013
    [1380060000] => Wednesday, 25 September 2013
    [1379973600] => Tuesday, 24 September 2013
    [1379887200] => Monday, 23 September 2013
    [1379800800] => Sunday, 22 September 2013
    [1379714400] => Saturday, 21 September 2013
    [1379628000] => Friday, 20 September 2013
    [1379541600] => Thursday, 19 September 2013
    [1379455200] => Wednesday, 18 September 2013
    [1379368800] => Tuesday, 17 September 2013
    [1379282400] => Monday, 16 September 2013
    [1379196000] => Sunday, 15 September 2013
    [1379109600] => Saturday, 14 September 2013
    [1379023200] => Friday, 13 September 2013
    [1378936800] => Thursday, 12 September 2013
    [1378850400] => Wednesday, 11 September 2013
    [1378764000] => Tuesday, 10 September 2013
    [1378677600] => Monday, 9 September 2013
    [1378591200] => Sunday, 8 September 2013
    [1378504800] => Saturday, 7 September 2013
    [1378418400] => Friday, 6 September 2013
    [1378332000] => Thursday, 5 September 2013
    [1378245600] => Wednesday, 4 September 2013
    [1378159200] => Tuesday, 3 September 2013
    [1378072800] => Monday, 2 September 2013
    [1377986400] => Sunday, 1 September 2013
    [1377900000] => Saturday, 31 August 2013
    [1377813600] => Friday, 30 August 2013
    [1377727200] => Thursday, 29 August 2013
    [1377640800] => Wednesday, 28 August 2013
    [1377554400] => Tuesday, 27 August 2013
    [1377468000] => Monday, 26 August 2013
    [1377381600] => Sunday, 25 August 2013
    [1377295200] => Saturday, 24 August 2013
    [1377208800] => Friday, 23 August 2013
    [1377122400] => Thursday, 22 August 2013
    [1377036000] => Wednesday, 21 August 2013
    [1376949600] => Tuesday, 20 August 2013
    [1376863200] => Monday, 19 August 2013
    [1376776800] => Sunday, 18 August 2013
    [1376690400] => Saturday, 17 August 2013
    [1376604000] => Friday, 16 August 2013
    [1376517600] => Thursday, 15 August 2013
    [1376431200] => Wednesday, 14 August 2013
    [1376344800] => Tuesday, 13 August 2013
    [1376258400] => Monday, 12 August 2013
    [1376172000] => Sunday, 11 August 2013
    [1376085600] => Saturday, 10 August 2013
    [1375999200] => Friday, 9 August 2013
    [1375912800] => Thursday, 8 August 2013
    [1375826400] => Wednesday, 7 August 2013
    [1375740000] => Tuesday, 6 August 2013
    [1375653600] => Monday, 5 August 2013
    [1375567200] => Sunday, 4 August 2013
    [1375480800] => Saturday, 3 August 2013
    [1375394400] => Friday, 2 August 2013
    [1375308000] => Thursday, 1 August 2013
    [1375221600] => Wednesday, 31 July 2013
    [1375135200] => Tuesday, 30 July 2013
    [1375048800] => Monday, 29 July 2013
    [1374962400] => Sunday, 28 July 2013
    [1374876000] => Saturday, 27 July 2013
    [1374789600] => Friday, 26 July 2013
    [1374703200] => Thursday, 25 July 2013
    [1374616800] => Wednesday, 24 July 2013
    [1374530400] => Tuesday, 23 July 2013
)
Edited by huck
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