/
statistics.php
771 lines (738 loc) · 32.5 KB
/
statistics.php
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<?php
/*
#############################################################
# >>> PHP Surveyor #
#############################################################
# > Author: Jason Cleeland #
# > E-mail: jason@cleeland.org #
# > Mail: Box 99, Trades Hall, 54 Victoria St, #
# > CARLTON SOUTH 3053, AUSTRALIA
# > Date: 20 February 2003 #
# #
# This set of scripts allows you to develop, publish and #
# perform data-entry on surveys. #
#############################################################
# #
# Copyright (C) 2003 Jason Cleeland #
# #
# This program is free software; you can redistribute #
# it and/or modify it under the terms of the GNU General #
# Public License as published by the Free Software #
# Foundation; either version 2 of the License, or (at your #
# option) any later version. #
# #
# This program is distributed in the hope that it will be #
# useful, but WITHOUT ANY WARRANTY; without even the #
# implied warranty of MERCHANTABILITY or FITNESS FOR A #
# PARTICULAR PURPOSE. See the GNU General Public License #
# for more details. #
# #
# You should have received a copy of the GNU General #
# Public License along with this program; if not, write to #
# the Free Software Foundation, Inc., 59 Temple Place - #
# Suite 330, Boston, MA 02111-1307, USA. #
#############################################################
*/
$sid = $_GET['sid']; if (!$sid) {$sid = $_POST['sid'];}
include("config.php");
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); // Date in the past
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
// always modified
header("Cache-Control: no-store, no-cache, must-revalidate"); // HTTP/1.1
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache"); // HTTP/1.0
//Send ("Expires: " & Format$(Date - 30, "ddd, d mmm yyyy") & " " & Format$(Time, "hh:mm:ss") & " GMT ")
$slstyle2 = "style='background-color: #EEEFFF; font-family: verdana; font-size: 10; color: #000080; width: 150'";
echo $htmlheader;
if (!$sid)
{
//need to have a survey id
echo "<center>You have not selected a survey!</center>";
exit;
}
echo "<table width='100%' border='0' bgcolor='#555555'><tr><td align='center'><font color='white'><b>Quick Statistics</b></td></tr></table>\n";
echo $surveyoptions;
echo "<br />\n";
echo "<table width='95%' align='center' border='1' cellpadding='0' cellspacing='0' bordercolor='#555555'>\n";
echo "<tr><td align='center' bgcolor='#555555'>$setfont<font color='orange'><b>Filter Settings</b></td></tr>\n";
echo "\t<form method='post'>\n";
// 1: Get list of questions from survey
$query = "SELECT qid, questions.gid, type, title, group_name, question FROM questions, groups WHERE questions.gid=groups.gid AND questions.sid='$sid' ORDER BY group_name, title";
$result = mysql_query($query) or die("Couldn't do it!<br />$query<br />".mysql_error());
while ($row=mysql_fetch_row($result))
{
//filters='qid','gid','type','title','group_name','question'
$filters[]=array("$row[0]", "$row[1]", "$row[2]", "$row[3]", "$row[4]", strip_tags($row[5]));
}
// 2: Get answers for each question
foreach ($filters as $flt)
{
if ($flt[1] != $currentgroup)
{ //If the groupname has changed, start a new row
if ($currentgroup)
{
//if we've already drawn a table for a group, and we're changing - close off table
echo "\n\t\t\t\t</td></tr>\n\t\t\t</table>\n";
}
echo "\t\t<tr><td bgcolor='#CCCCCC' align='center'>\n";
echo "\t\t<b>Group $flt[1]: $flt[4]</b></td></tr>\n\t\t<tr><td align='center'>\n";
echo "\t\t\t<table><tr>\n";
$counter=0;
}
//echo $flt[2]; //debugging line
if ($counter == 4) {echo "\t\t\t\t</tr>\n\t\t\t\t<tr>"; $counter=0;}
$myfield = "{$sid}X{$flt[1]}X{$flt[0]}";
//headings
if ($flt[2] != "A" && $flt[2] != "B" && $flt[2] != "C" && $flt[2] != "T" && $flt[2] != "S" && $flt[2] != "D" && $flt[2] != "R") //Have to make an exception for these types!
{
echo "\t\t\t\t<td align='center'>";
echo "$setfont<b>$flt[3] "; //Heading (Question No)
if ($flt[2] == "M" || $flt[2] == "P" || $flt[2] == "R") {$myfield = "M$myfield";}
if ($flt[2] == "N") {$myfield = "N$myfield";}
echo "<input type='radio' name='summary' value='$myfield'";
if ($_POST['summary'] == "{$sid}X{$flt[1]}X{$flt[0]}" || $_POST['summary'] == "M{$sid}X{$flt[1]}X{$flt[0]}" || $_POST['summary'] == "N{$sid}X{$flt[1]}X{$flt[0]}") {echo " CHECKED";}
echo "> ";
echo "<img src='speaker.jpg' align='bottom' alt=\"$flt[5]\" onClick=\"alert('QUESTION: ".str_replace("'", "`", $flt[5])."')\"></b>";
echo "<br />\n";
if ($flt[2] != "N") {echo "\t\t\t\t<select name='";}
if ($flt[2] == "M" || $flt[2] == "P" || $flt[2] == "R") {echo "M";}
if ($flt[2] != "N") {echo "{$sid}X{$flt[1]}X{$flt[0]}[]' multiple $slstyle2>\n";}
}
echo "\t\t\t\t\t<!-- QUESTION TYPE = $flt[2] -->\n";
switch ($flt[2])
{
case "T": // Long free text
$myfield2="T$myfield";
echo "\t\t\t\t<td align='center' valign='top'>$setfont<b>$flt[3]</b>"; //heading
echo " <img src='speaker.jpg' align='bottom' alt=\"$flt[5]\" [$row[1]]' onClick=\"alert('QUESTION: $flt[5] [$row[1]]')\">";
echo "<br />\n";
echo "\t\t\t\t\t<font size='1'>Responses containing:</font><br />\n";
echo "\t\t\t\t\t<textarea $slstyle2 name='$myfield2' rows='3'>".$_POST[$myfield2]."</textarea>";
break;
case "S": // Short free text
$myfield2="T$myfield";
echo "\t\t\t\t<td align='center' valign='top'>$setfont<b>$flt[3]</b>"; //heading
echo " <img src='speaker.jpg' align='bottom' alt=\"$flt[5] [$row[1]]\" onClick=\"alert('QUESTION: $flt[5] [$row[1]]')\">";
echo "<br />\n";
echo "\t\t\t\t\t<font size='1'>Responses containing:</font><br />\n";
echo "\t\t\t\t\t<input type='text' $slstyle2 name='$myfield2' value='".$_POST[$myfield2]."'>";
break;
case "N": // Numerical
$myfield2="{$myfield}G";
echo "\t\t\t\t\t<font size='1'>Number greater than:<br />\n";
echo "\t\t\t\t\t<input type='text' $slstyle2 name='$myfield2' value='".$_POST[$myfield2]."'><br />\n";
$myfield3="{$myfield}L";
echo "\t\t\t\t\tNumber less than:<br />\n";
echo "\t\t\t\t\t<input type='text' $slstyle2 name='$myfield3' value='".$_POST[$myfield3]."'><br />\n";
break;
case "D": // Date
$myfield2="D$myfield";
echo "\t\t\t\t<td align='center' valign='top'>$setfont<b>$flt[3]</b>"; //heading
echo " <img src='speaker.jpg' align='bottom' alt=\"$flt[5] [$row[1]]\" onClick=\"alert('QUESTION: $flt[5] [$row[1]]')\">";
echo "<br />\n";
echo "\t\t\t\t\t<font size='1'>Date (YYYY-MM-DD) equals:<br />\n";
$myfield3="$myfield2=";
echo "\t\t\t\t\t<input name='$myfield3' type='text' value='$_POST[$myfield3]' ".substr($slstyle2, 0, -13) ."; width:80'><br />\n";
echo "\t\t\t\t\t OR between:<br />\n";
$myfield4="$myfield2<"; $myfield5="$myfield2>";
echo "\t\t\t\t\t<input name='$myfield4' value='$_POST[$myfield4]' type='text' ".substr($slstyle2, 0, -13) ."; width:65'> & <input name='$myfield5' value='$_POST[$myfield5]' type='text' ".substr($slstyle2, 0, -13) ."; width:65'>\n";
break;
case "5": // 5 point choice
for ($i=1; $i<=5; $i++)
{
echo "\t\t\t\t\t<option value='$i'";
if (is_array($_POST[$myfield]) && in_array($i, $_POST[$myfield])) {echo " selected";}
echo ">$i</option>\n";
}
break;
case "G": // Gender
echo "\t\t\t\t\t<option value='F'";
if (is_array($_POST[$myfield]) && in_array("F", $_POST[$myfield])) {echo " selected";}
echo ">Female</option>\n";
echo "\t\t\t\t\t<option value='M'";
if (is_array($_POST[$myfield]) && in_array("M", $_POST[$myfield])) {echo " selected";}
echo ">Male</option>\n";
break;
case "Y": // Yes\No
echo "\t\t\t\t\t<option value='Y'";
if (is_array($_POST[$myfield]) && in_array("Y", $_POST[$myfield])) {echo " selected";}
echo ">Yes</option>\n";
echo "\t\t\t\t\t<option value='N'";
if (is_array($_POST[$myfield]) && in_array("N", $_POST[$myfield])) {echo " selected";}
echo ">No</option>\n";
break;
// ARRAYS
case "A": // ARRAY OF 5 POINT CHOICE QUESTIONS
echo "\t\t\t\t</tr>\n\t\t\t\t<tr>\n";
$query = "SELECT code, answer FROM answers WHERE qid='$flt[0]'";
$result = mysql_query($query) or die ("Couldn't get answers!<br />$query<br />".mysql_error());
$counter2=0;
while ($row=mysql_fetch_row($result))
{
$myfield2 = $myfield."$row[0]";
echo "<!-- $myfield2 -- $_POST[$myfield2] -->\n";
if ($counter2 == 4) {echo "\t\t\t\t</tr>\n\t\t\t\t<tr>\n"; $counter=0;}
echo "\t\t\t\t<td align='center'>$setfont<B>$flt[3] ($row[0])"; //heading
echo "<input type='radio' name='summary' value='$myfield2'";
if ($_POST['summary'] == "$myfield2") {echo " CHECKED";}
echo "> ";
echo "<img src='speaker.jpg' align='bottom' alt=\"$flt[5] [$row[1]]\" onClick=\"alert('QUESTION: $flt[5][$row[1]]')\">";
echo "<br />\n";
echo "\t\t\t\t<select name='{$sid}X{$flt[1]}X{$flt[0]}{$row[0]}[]' multiple $slstyle2>\n";
for ($i=1; $i<=5; $i++)
{
echo "\t\t\t\t\t<option value='$i'";
if (is_array($_POST[$myfield2]) && in_array($i, $_POST[$myfield2])) {echo " selected";}
if ($_POST[$myfield2] == $i) {echo " selected";}
echo ">$i</option>\n";
}
echo "\t\t\t\t</select>\n\t\t\t\t</td>\n";
$counter2++;
}
echo "\t\t\t\t</tr>\n\t\t\t\t<tr>\n";
$counter=0;
break;
case "B": // ARRAY OF 10 POINT CHOICE QUESTIONS
echo "\t\t\t\t</tr>\n\t\t\t\t<tr>\n";
$query = "SELECT code, answer FROM answers WHERE qid='$flt[0]'";
$result = mysql_query($query) or die ("Couldn't get answers!<br />$query<br />".mysql_error());
$counter2=0;
while ($row=mysql_fetch_row($result))
{
$myfield2 = $myfield . "$row[0]";
echo "<!-- $myfield2 -- $_POST[$myfield2] -->\n";
if ($counter2 == 4) {echo "\t\t\t\t</tr>\n\t\t\t\t<tr>\n"; $counter=0;}
echo "\t\t\t\t<td align='center'>$setfont<B>$flt[3] ($row[0])"; //heading
echo "<input type='radio' name='summary' value='$myfield2'";
if ($_POST['summary'] == "$myfield2") {echo " CHECKED";}
echo "> ";
echo "<img src='speaker.jpg' align='bottom' alt=\"$flt[5] [$row[1]]\" onClick=\"alert('QUESTION: $flt[5] [$row[1]]')\">";
echo "<br />\n";
echo "\t\t\t\t<select name='{$sid}X{$flt[1]}X{$flt[0]}{$row[0]}[]' multiple $slstyle2>\n";
for ($i=1; $i<=10; $i++)
{
echo "\t\t\t\t\t<option value='$i'";
if (is_array($_POST[$myfield2]) && in_array($i, $_POST[$myfield2])) {echo " selected";}
if ($_POST[$myfield2] == $i) {echo " selected";}
echo ">$i</option>\n";
}
echo "\t\t\t\t</select>\n\t\t\t\t</td>\n";
$count2++;
}
echo "\t\t\t\t</tr>\n\t\t\t\t<tr>\n";
$counter=0;
break;
case "C": // ARRAY OF YES\No\Uncertain QUESTIONS
echo "\t\t\t\t</tr>\n\t\t\t\t<tr>\n";
$query = "SELECT code, answer FROM answers WHERE qid='$flt[0][]'";
$result = mysql_query($query) or die ("Couldn't get answers!<br />$query<br />".mysql_error());
$counter2=0;
while ($row=mysql_fetch_row($result))
{
$myfield2 = $myfield . "$row[0]";
echo "<!-- $myfield2 -- $_POST[$myfield2] -->\n";
if ($counter2 == 4) {echo "\t\t\t\t</tr>\n\t\t\t\t<tr>\n"; $counter=0;}
echo "\t\t\t\t<td align='center'>$setfont<B>$flt[3] ($row[0])"; //heading
echo "<input type='radio' name='summary' value='$myfield2'";
if ($_POST['summary'] == "$myfield2") {echo " CHECKED";}
echo "> ";
echo "<img src='speaker.jpg' align='bottom' alt=\"$flt[5] [$row[1]]\" onClick=\"alert('QUESTION: $flt[5] [$row[1]]')\">";
echo "<br />\n";
echo "\t\t\t\t<select name='{$sid}X{$flt[1]}X{$flt[0]}{$row[0]}[]' multiple $slstyle2>\n";
echo "\t\t\t\t\t<option value='Y'";
if (is_array($_POST[$myfield2]) && in_array("Y", $_POST[$myfield2])) {echo " selected";}
echo ">Yes</option>\n";
echo "\t\t\t\t\t<option value='U'";
if (is_array($_POST[$myfield2]) && in_array("U", $_POST[$myfield2])) {echo " selected";}
echo ">Uncertain</option>\n";
echo "\t\t\t\t\t<option value='N'";
if (is_array($_POST[$myfield2]) && in_array("N", $_POST[$myfield2])) {echo " selected";}
echo ">No</option>\n";
echo "\t\t\t\t</select>\n\t\t\t\t</td>\n";
$counter2++;
}
echo "\t\t\t\t</tr>\n\t\t\t\t<tr>\n";
$counter=0;
break;
case "R": //RANKING
echo "\t\t\t\t</tr>\n\t\t\t\t<tr>\n";
$query = "SELECT code, answer FROM answers WHERE qid='$flt[0]' ORDER BY code";
$result = mysql_query($query) or die ("Couldn't get answers!<br />$query<br />".mysql_error());
$count = mysql_num_rows($result);
while ($row = mysql_fetch_array($result, MYSQL_ASSOC))
{
$answers[]=array($row['code'], $row['answer']);
}
$counter2=0;
for ($i=1; $i<=$count; $i++)
{
if ($counter2 == 4) {echo "\t\t\t\t</tr>\n\t\t\t\t<tr>\n"; $counter=0;}
$myfield2 = "R" . $myfield . $i . "-" . strlen($i);
$myfield3 = $myfield . $i;
echo "<!-- $myfield3 -- $_POST[$myfield3] -->\n";
echo "\t\t\t\t<td align='center'>$setfont<B>$flt[3] ($i)"; //heading
echo "<input type='radio' name='summary' value='$myfield2'";
if ($_POST['summary'] == "$myfield2") {echo " CHECKED";}
echo "> ";
echo "<img src='speaker.jpg' align='bottom' alt=\"$flt[5] [$row[1]]\" onClick=\"alert('QUESTION: {$flt[5]} [Rank $i]')\">";
echo "<br />\n";
echo "\t\t\t\t<select name='{$sid}X{$flt[1]}X{$flt[0]}{$i}[]' multiple $slstyle2>\n";
foreach ($answers as $ans)
{
echo "\t\t\t\t\t<option value='$ans[0]'";
if (is_array($_POST[$myfield3]) && in_array("$ans[0]", $_POST[$myfield3])) {echo " selected";}
echo ">$ans[1]</option>\n";
}
echo "\t\t\t\t</select>\n\t\t\t\t</td>\n";
$counter2++;
}
echo "\t\t\t\t</tr>\n\t\t\t\t<tr>\n";
$counter=0;
break;
default:
$query = "SELECT code, answer FROM answers WHERE qid='$flt[0]'";
$result = mysql_query($query) or die("Couldn't get answers!<br />$query<br />".mysql_error());
while ($row=mysql_fetch_row($result))
{
echo "\t\t\t\t\t\t<option value='$row[0]'";
if (is_array($_POST[$myfield]) && in_array($row[0], $_POST[$myfield])) {echo " selected";}
echo ">$row[1]</option>\n";
}
break;
}
if ($flt[2] != "A" && $flt[2] != "B" && $flt[2] != "C" && $flt[2] != "T" && $flt[2] != "S" && $flt[2] != "D" && $flt[2] != "R") //Have to make an exception for these types!
{
echo "\n\t\t\t\t</td>\n";
}
$currentgroup=$flt[1];
$counter++;
}
echo "\n\t\t\t\t</td></tr>\n\t\t\t</table>\n";
echo "\t\t</td></tr>\n";
echo "\t\t<tr><td align='center' bgcolor='#CCCCCC'>\n\t\t\t<br />\n";
echo "\t\t\t<input $btstyle type='submit' value='View Stats'>\n";
echo "\t\t\t<input $btstyle type='button' value='Clear' onClick=\"window.open('statistics.php?sid=$sid', '_top')\">\n";
echo "\t\t<br /> \n\t\t</td></tr>\n";
echo "\t<input type='hidden' name='sid' value='$sid'>\n";
echo "\t<input type='hidden' name='display' value='stats'>\n";
echo "\t</form>\n";
echo "</table>\n";
// DISPLAY RESULTS
if ($_POST['display'])
{
// 1: Get list of questions with answers chosen
for (reset($_POST); $key=key($_POST); next($_POST)) { $postvars[]=$key;} // creates array of post variable names
foreach ($postvars as $pv)
{
$firstletter=substr($pv,0,1);
if ($pv != "sid" && $pv != "display" && $firstletter != "M" && $firstletter != "T" && $firstletter != "D" && $firstletter != "N" && $pv != "summary") //pull out just the fieldnames
{
$thisquestion = "$pv IN (";
foreach ($$pv as $condition)
{
$thisquestion .= "'$condition', ";
}
$thisquestion = substr($thisquestion, 0, -2);
$thisquestion .= ")";
$selects[]=$thisquestion;
}
elseif (substr($pv, 0, 1) == "M")
{
list($lsid, $lgid, $lqid) = explode("X", $pv);
$aquery="SELECT code FROM answers WHERE qid=$lqid";
$aresult=mysql_query($aquery) or die ("Couldn't get answers<br />$aquery<br />".mysql_error());
while ($arow=mysql_fetch_row($aresult)) // go through every possible answer
{
if (in_array($arow[0], $$pv)) // only add condition if answer has been chosen
{
$mselects[]=substr($pv, 1, strlen($pv))."$arow[0] = 'Y'";
}
}
if ($mselects)
{
$thismulti=implode(" OR ", $mselects);
$selects[]="($thismulti)";
}
}
elseif (substr($pv, 0, 1) == "N")
{
if (substr($pv, strlen($pv)-1, 1) == "G" && $_POST[$pv] != "")
{
$selects[]=substr($pv, 1, -1)." > '".$_POST[$pv]."'";
}
if (substr($pv, strlen($pv)-1, 1) == "L" && $_POST[$pv] != "")
{
$selects[]=substr($pv, 1, -1)." < '".$_POST[$pv]."'";
}
}
elseif (substr($pv, 0, 1) == "T" && $_POST[$pv] != "")
{
$selects[]=substr($pv, 1, strlen($pv))." like '%".$_POST[$pv]."%'";
}
elseif (substr($pv, 0, 1) == "D" && $_POST[$pv] != "")
{
if (substr($pv, -1, 1) == "=")
{
$selects[] = substr($pv, 1, strlen($pv)-2)." = '".$_POST[$pv]."'";
}
else
{
if (substr($pv, -1, 1) == "<")
{
$selects[]=substr($pv, 1, strlen($pv)-2) . " > '".$_POST[$pv]."'";
}
if (substr($pv, -1, 1) == ">")
{
$selects[]=substr($pv, 1, strlen($pv)-2) . " < '".$_POST[$pv]."'";
}
}
}
}
// 2: Do SQL query
$query = "SELECT count(*) FROM survey_$sid";
$result = mysql_query($query) or die ("Couldn't get total<br />$query<br />".mysql_error());
while ($row=mysql_fetch_row($result)) {$total=$row[0];}
if ($selects)
{
$query .= " WHERE ";
$query .= implode(" AND ", $selects);
}
$result=mysql_query($query) or die("Couldn't get results<br />$query<br />".mysql_error());
while ($row=mysql_fetch_row($result)) {$results=$row[0];}
// 3: Present results including option to view those rows
echo "<br />\n<table align='center' width='95%' border='1' bgcolor='#444444' cellpadding='2' cellspacing='0' bordercolor='black'>\n";
echo "\t<tr><td colspan='2' align='center'><b>$setfont<font color='orange'>Results</b></td></tr>\n";
echo "\t<tr><td colspan='2' align='center' bgcolor='#666666'>$setfont<font color='#EEEEEE'>";
echo "<B>Your query returns $results record(s)!</b><br />\n\t\t";
echo "There are $total records in your survey.";
if ($total)
{
echo " This query represents ";
$percent=sprintf("%01.2f", ($results/$total)*100);
echo "$percent% of your total results<br />";
}
echo "\n\t\t<br />\n";
echo "\t\t<font size='1'><b>SQL:</b> $query\n";
echo "\t</td></tr>\n";
if ($selects) {$sql=implode(" AND ", $selects);}
if (!$sql) {$sql="NULL";}
if ($results > 0)
{
echo "\t<tr>";
echo "\t\t<form action='browse.php' method='post' target='_blank'><td align='right' width='50%'>\n";
echo "\t\t<input type='submit' value='Browse' $btstyle>\n";
echo "\t\t\t<input type='hidden' name='sid' value='$sid'>\n";
echo "\t\t\t<input type='hidden' name='sql' value=\"$sql\">\n";
echo "\t\t\t<input type='hidden' name='action' value='all'>\n";
echo "\t\t</td></form>\n";
echo "\t\t<form action='export.php' method='post' target='_blank'><td width='50%'>\n";
echo "\t\t<input type='submit' value='Export' $btstyle>\n";
echo "\t\t\t<input type='hidden' name='sid' value='$sid'>\n";
echo "\t\t\t<input type='hidden' name='sql' value=\"$sql\">\n";
echo "\t\t</td></form>\n\t</tr>\n";
}
echo "</table>\n";
}
if ($_POST['summary'])
{
// 1. Get answers for question
if (substr($_POST['summary'], 0, 1) == "M") //MULTIPLE OPTION, THEREFORE MULTIPLE FIELDS. HOW THE HELL DO WE DO THIS ONE?
{
list($qsid, $qgid, $qqid) = explode("X", substr($_POST['summary'], 1, strlen($_POST['summary'])));
$nquery = "SELECT title, type, question FROM questions WHERE qid='$qqid'";
$nresult = mysql_query($nquery) or die ("Couldn't get question<br />$nquery<br />".mysql_error());
while ($nrow=mysql_fetch_row($nresult)) {$qtitle=$nrow[0]; $qtype=$nrow[1]; $qquestion=strip_tags($nrow[2]);}
//1. Get list of answers
$query="SELECT code, answer FROM answers WHERE qid='$qqid'";
$result=mysql_query($query) or die("Couldn't get list of answers for multitype<br />$query<br />".mysql_error());
while ($row=mysql_fetch_row($result))
{
$mfield=substr($_POST['summary'], 1, strlen($_POST['summary']))."$row[0]";
$alist[]=array("$row[0]", "$row[1]", $mfield);
}
}
elseif (substr($_POST['summary'], 0, 1) == "R") //RANKING OPTION THEREFORE CONFUSING
{
$lengthofnumeral=substr($_POST['summary'], strchr($_POST['summary'], "-"), 1);
list($qsid, $qgid, $qqid) = explode("X", substr($_POST['summary'], 1, strchr($_POST['summary'], "-")-($lengthofnumeral+1)));
$nquery = "SELECT title, type, question FROM questions WHERE qid='$qqid'";
$nresult = mysql_query($nquery) or die ("Couldn't get question<br />$nquery<br />".mysql_error());
while ($nrow=mysql_fetch_row($nresult)) {$qtitle=$nrow[0]. " [".substr($_POST['summary'], strchr($_POST['summary'], "-")-($lengthofnumeral+1), $lengthofnumeral)."]"; $qtype=$nrow[1]; $qquestion=strip_tags($nrow[2]). "[Rank ".substr($_POST['summary'], strchr($_POST['summary'], "-")-($lengthofnumeral+1), $lengthofnumeral)."]";}
$query="SELECT code, answer FROM answers WHERE qid='$qqid' ORDER BY code";
$result=mysql_query($query) or die("Couldn't get list of answers for multitype<br />$query<br />".mysql_error());
while ($row=mysql_fetch_row($result))
{
$mfield=substr($_POST['summary'], 1, strchr($_POST['summary'], "-")-($lengthofnumeral));
$alist[]=array("$row[0]", "$row[1]", $mfield);
//echo $row[0]."-".$row[1];
}
}
elseif (substr($_POST['summary'], 0, 1) == "N") //NUMERICAL TYPE
{
list($qsid, $qgid, $qqid) = explode("X", $_POST['summary']);
$nquery = "SELECT title, type, question, qid FROM questions WHERE qid='$qqid'";
//echo $nquery; //debugging line
$nresult = mysql_query($nquery) or die ("Couldn't get question<br />$nquery<br />".mysql_error());
while ($nrow=mysql_fetch_row($nresult)) {$qtitle=$nrow[0]; $qtype=$nrow[1]; $qquestion=strip_tags($nrow[2]); $qiqid=$nrow[3];}
echo "<br />\n<table align='center' width='95%' border='1' bgcolor='#444444' cellpadding='2' cellspacing='0' bordercolor='black'>\n";
echo "\t<tr><td colspan='3' align='center'><b>$setfont<font color='orange'>Field Summary for $qtitle:</b>";
echo "</td></tr>\n";
echo "\t<tr><td colspan='3' align='center'><b>$setfont<font color='#EEEEEE'>$qquestion</b></font></font></td></tr>\n";
echo "\t<tr>\n\t\t<td width='50%' align='center' bgcolor='#666666'>$setfont<font color='#EEEEEE'><b>Calculation</b></font></td>\n";
echo "\t\t<td width='25%' align='center' bgcolor='#666666'>$setfont<font color='#EEEEEE'><b>Result</b></font></td>\n";
echo "\t\t<td width='25%' align='center' bgcolor='#666666'>$setfont<font color='#EEEEEE'><b></b></font></td>\n";
echo "\t</tr>\n";
$fieldname=substr($_POST['summary'], 1, strlen($_POST['summary']));
$query = "SELECT STDDEV(`$fieldname`) as stdev";
$query .= ", SUM(`$fieldname`*1) as sum";
$query .= ", AVG(`$fieldname`*1) as average";
$query .= ", MIN(`$fieldname`*1) as minimum";
$query .= ", MAX(`$fieldname`*1) as maximum";
$query .= " FROM survey_$sid";
if ($sql != "NULL") {$query .= " WHERE $sql";}
$result=mysql_query($query) or die("Couldn't do maths testing<br />$query<br />".mysql_error());
while ($row=mysql_fetch_array($result))
{
$showem[]=array("Sum", $row['sum']);
$showem[]=array("Standard Deviation", $row['stdev']);
$showem[]=array("Average", $row['average']);
$showem[]=array("Minimum", $row['minimum']);
$maximum=$row['maximum']; //we're going to put this after the quartiles for neatness
$minimum=$row['minimum'];
}
//CALCULATE QUARTILES
$query ="SELECT $fieldname FROM survey_$sid WHERE $fieldname IS NOT null";
if ($sql != "NULL") {$query .= " AND $sql";}
$result=mysql_query($query) or die("Disaster during median calculation<br />$query<br />".mysql_error());
$querystarter="SELECT $fieldname FROM survey_$sid WHERE $fieldname IS NOT null";
if ($sql != "NULL") {$querystarter .= " AND $sql";}
$medcount=mysql_num_rows($result);
//1ST QUARTILE (Q1)
//$q1=(($medcount+1)/4)-1;
$q1=(1/4)*($medcount+1);
//$q1b=(int)((($medcount+1)/4)-1);
$q1b=(int)((1/4)*($medcount+1));
$q1c=$q1b-1;
$q1diff=$q1-$q1b;
//$q1diff=(((($medcount+1)/4)-1) - ((int)((($medcount+1)/4)-1)));
$total=0;
if ($q1 != $q1b)
{
//ODD NUMBER
$query = $querystarter . " ORDER BY $fieldname*1 LIMIT $q1c, 2";
$result=mysql_query($query) or die("1st Quartile query failed<br />".mysql_error());
while ($row=mysql_fetch_array($result))
{
if ($total == 0) {$total=$total-$row[$fieldname];}
else {$total=$total+$row[$fieldname];}
$lastnumber=$row[$fieldname];
}
$q1total=$lastnumber-(1-($total*$q1diff));
if ($q1total < $minimum) {$q1total=$minimum;}
$showem[]=array("1st Quartile (Q1)", $q1total);
}
else
{
//EVEN NUMBER
$query = $querystarter . " ORDER BY $fieldname*1 LIMIT $q1c, 1";
$result=mysql_query($query) or die ("1st Quartile query failed<br />".mysql_error());
while ($row=mysql_fetch_array($result)) {$showem[]=array("1st Quartile (Q1)", $row[$fieldname]);}
}
$total=0;
//MEDIAN (Q2)
$median=(1/2)*($medcount+1);
$medianb=(int)((1/2)*($medcount+1));
$medianc=$medianb-1;
$mediandiff=$median-$medianb;
if ($median != (int)((($medcount+1)/2)-1))
{
//remainder
$query = $querystarter . " ORDER BY $fieldname*1 LIMIT $medianc, 2";
$result=mysql_query($query) or die("What a complete mess<br />".mysql_error());
while ($row=mysql_fetch_array($result)) {$total=$total+$row[$fieldname];}
$showem[]=array("2nd Quartile (Median)", $total/2);
}
else
{
//EVEN NUMBER
$query = $querystarter . " ORDER BY $fieldname*1 LIMIT $medianc, 1";
$result=mysql_query($query) or die("What a complete mess<br />".mysql_error());
while ($row=mysql_fetch_array($result)) {$showem[]=array("Median Value", $row[$fieldname]);}
}
$total=0;
//3RD QUARTILE (Q3)
$q3=(3/4)*($medcount+1);
$q3b=(int)((3/4)*($medcount+1));
$q3c=$q3b-1;
$q3diff=$q3-$q3b;
if ($q3 != $q3b)
{
$query = $querystarter . " ORDER BY $fieldname*1 LIMIT $q3c, 2";
$result = mysql_query($query) or die("3rd Quartile query failed<br />".mysql_error());
$lastnumber='';
while ($row=mysql_fetch_array($result))
{
if ($total == 0) {$total=$total-$row[$fieldname];}
else {$total=$total+$row[$fieldname];}
if (!$lastnumber) {$lastnumber=$row[$fieldname];}
}
$q3total=$lastnumber+($total*$q3diff);
if ($q3total < $maximum) {$q1total=$maximum;}
$showem[]=array("3rd Quartile (Q3)", $q3total);
}
else
{
$query = $querystarter . " ORDER BY $fieldname*1 LIMIT $q3c, 1";
$result = mysql_query($query) or die("3rd Quartile even query failed<br />".mysql_error());
while ($row=mysql_fetch_array($result)) {$showem[]=array("3rd Quartile (Q3)", $row[$fieldname]);}
}
$total=0;
$showem[]=array("Maximum", $maximum);
foreach ($showem as $shw)
{
echo "\t<tr>\n";
echo "\t\t<td align='center' bgcolor='#666666'>$setfont<font color='#EEEEEE'>$shw[0]</font></font></td>\n";
echo "\t\t<td align='center' bgcolor='#666666'>$setfont<font color='#EEEEEE'>$shw[1]</td>\n";
echo "\t\t<td bgcolor='#666666'></td>\n";
echo "\t</tr>\n";
}
echo "\t<tr>\n";
echo "\t\t<td colspan='3' align='center' bgcolor='#EEEEEE'>\n";
echo "\t\t\t$setfont<font size='1'>*Null values are ignored in calculations<br />\n";
echo "\t\t\t*Q1 and Q3 calculated using <a href='http://mathforum.org/library/drmath/view/60969.html' target='_blank'>minitab method</a>";
echo "</font></font>\n";
echo "\t\t</td>\n";
echo "\t</tr>\n";
}
else // NICE SIMPLE SINGLE OPTION ANSWERS
{
list($qsid, $qgid, $qqid) = explode("X", $_POST['summary']);
$nquery = "SELECT title, type, question, qid FROM questions WHERE qid='$qqid'";
//echo $nquery; //debugging line
$nresult = mysql_query($nquery) or die ("Couldn't get question<br />$nquery<br />".mysql_error());
while ($nrow=mysql_fetch_row($nresult))
{
$qtitle=$nrow[0]; $qtype=$nrow[1]; $qquestion=strip_tags($nrow[2]); $qiqid=$nrow[3];
}
$alist[]=array("", "No Answer");
switch($qtype)
{
case "A": //Array of 5 point choices
$qanswer=substr($qqid, strlen($qiqid), strlen($qqid));
$qquery = "SELECT code, answer FROM answers WHERE qid='$qiqid' AND code='$qanswer' ORDER BY CODE";
//echo $qquery; //debugging line
$qresult=mysql_query($qquery) or die ("Couldn't get answer details (Array 5p Q)<br />$qquery<br />".mysql_error());
while ($qrow=mysql_fetch_row($qresult))
{
for ($i=1; $i<=5; $i++)
{
$alist[]=array("$i", "$i");
}
$atext=$qrow[1];
}
$qquestion .= "<br />\n[".$atext."]";
$qtitle .= "($qanswer)";
break;
case "B": //Array of 10 point choices
$qanswer=substr($qqid, strlen($qiqid), strlen($qqid));
$qquery = "SELECT code, answer FROM answers WHERE qid='$qiqid' AND code='$qanswer' ORDER BY CODE";
//echo $qquery; //debugging line
$qresult=mysql_query($qquery) or die ("Couldn't get answer details (Array 10p Q)<br />$qquery<br />".mysql_error());
while ($qrow=mysql_fetch_row($qresult))
{
for ($i=1; $i<=10; $i++)
{
$alist[]=array("$i", "$i");
}
$atext=$qrow[1];
}
$qquestion .= "<br />\n[".$atext."]";
$qtitle .= "($qanswer)";
break;
case "C": //Array of Yes/No/Uncertain
$qanswer=substr($qqid, strlen($qiqid), strlen($qqid));
$qquery = "SELECT code, answer FROM answers WHERE qid='$qiqid' AND code='$qanswer' ORDER BY CODE";
//echo $qquery; //debugging line
$qresult=mysql_query($qquery) or die ("Couldn't get answer details<br />$qquery<br />".mysql_error());
while ($qrow=mysql_fetch_row($qresult))
{
$alist[]=array("Y", "Yes");
$alist[]=array("N", "No");
$alist[]=array("U", "Uncertain");
$atext=$qrow[1];
}
$qquestion .= "<br />\n[".$atext."]";
$qtitle .= "($qanswer)";
break;
case "G": //Gender
$alist[]=array("F", "Female");
$alist[]=array("M", "Male");
break;
case "Y": //Yes\No
$alist[]=array("Y", "Yes");
$alist[]=array("N", "No");
break;
case "5": //5 Point
for ($i=1; $i<=5; $i++)
{
$alist[]=array("$i", "$i");
}
default:
$qquery = "SELECT code, answer FROM answers WHERE qid='$qqid' ORDER BY code";
$qresult = mysql_query($qquery) or die ("Couldn't get answers list<br />$qquery<br />".mysql_error());
while ($qrow=mysql_fetch_row($qresult))
{
$alist[]=array("$qrow[0]", "$qrow[1]");
}
}
}
//foreach ($alist as $al) {echo "$al[0] - $al[1]<br />";} //debugging line
//foreach ($fvalues as $fv) {echo "$fv | ";} //debugging line
//2. Display results
if ($alist) //JUST IN CASE SOMETHING GOES WRONG
{
echo "<br />\n<table align='center' width='95%' border='1' bgcolor='#444444' cellpadding='2' cellspacing='0' bordercolor='black'>\n";
echo "\t<tr><td colspan='3' align='center'><b>$setfont<font color='orange'>Field Summary for $qtitle:</b>";
echo "</td></tr>\n";
echo "\t<tr><td colspan='3' align='center'><b>$setfont<font color='#EEEEEE'>$qquestion</b></font></font></td></tr>\n";
echo "\t<tr>\n\t\t<td width='50%' align='center' bgcolor='#666666'>$setfont<font color='#EEEEEE'><b>Answer</b></font></td>\n";
echo "\t\t<td width='25%' align='center' bgcolor='#666666'>$setfont<font color='#EEEEEE'><b>Count</b></font></td>\n";
echo "\t\t<td width='25%' align='center' bgcolor='#666666'>$setfont<font color='#EEEEEE'><b>Percentage</b></font></td>\n";
echo "\t</tr>\n";
foreach ($alist as $al)
{
if ($al[2]) //picks out alist that come from the multiple list above
{
if (substr($_POST['summary'], 0, 1) == "R")
{
$query = "SELECT count($al[2]) FROM survey_$sid WHERE $al[2] = '$al[0]'";
}
else
{
$query = "SELECT count($al[2]) FROM survey_$sid WHERE $al[2] = 'Y'";
}
}
else
{
$query = "SELECT count({$_POST['summary']}) FROM survey_$sid WHERE {$_POST['summary']} = '$al[0]'";
//echo $query; //debugging line
}
if ($sql != "NULL") {$query .= " AND $sql";}
$result=mysql_query($query) or die ("Couldn't do count of values<br />$query<br />".mysql_error());
echo "\n<!-- ($sql): $query -->\n\n";
while ($row=mysql_fetch_row($result))
{
if ($al[0] == "") {$fname="No Answer";} else {$fname="$al[1] ($al[0])";}
echo "\t<tr>\n\t\t<td width='50%' align='center' bgcolor='#666666'>$setfont<font color='#EEEEEE'>$fname\n\t\t</td>\n";
echo "\t\t<td width='25%' align='center' bgcolor='#666666'>$setfont<font color='#EEEEEE'>$row[0]";
if ($results > 0) {$vp=sprintf("%01.2f", ($row[0]/$results)*100)."%";} else {$vp="N/A";}
echo "\t\t</td><td width='25%' align='center' bgcolor='#666666'>$setfont<font color='#EEEEEE'>$vp";
echo "\t\t</td></tr>\n";
}
}
}
echo "</table>\n<br />";
}
echo " ";
echo htmlfooter("instructions.html#statistics", "Using PHPSurveyors Statistics Function");
?>