0) { CreateSectionHeader("Question Evaluation"); CreateLegend(); foreach ($questionData as $question) { CreateRowHeader(); echo "
\n"; // The question itself echo "

" . $question[0]; //average echo "⌀" . round( ($question[1]+2*$question[2]+3*$question[3]+4*$question[4]+5*$question[5]) /(array_sum(array_slice($question,1,5))), 2) . "\n"; echo "

\n"; echo "
\n"; echo "
\n"; echo "
\n"; $width = 800; $height = 300; //find max of answers to set max of x-axis, max of y-axis is always seven, because there are six possibilities to answer $values = $question; array_shift($values); $maxX = max($values)+1; $maxY = 7; $img = CreateImage($width, $height); // the amount of answers for the different options and a nice group of bars for ($i = 1; $i < 7; $i++) { echo "

" . $question[$i] . "

\n"; $color = ImageColorAllocate($img, 0, 150*($question[$i]/$maxX) + 50, 0); DrawBar($img, $question[$i], $maxX, $i+1, $maxY, $question[$i], $color); } //finish image and save it $caption = array("N/A","--","-", "0", "+", "++"); DrawCoords($img, $maxX, $maxY, $caption); $file=str_replace("?", "", str_replace(" ", "", $question[0])); ImagePNG($img,"question".$file.".png"); ImageDestroy($img); echo "
\n"; echo "
\n"; echo "
\n"; echo "
\n"; echo "
\n"; echo " "; echo "
\n"; echo "
\n"; } } // if there was any tutor Data in the log file, display it if (count($tutorData) > 0) { CreateSectionHeader("Tutor Evaluation"); CreateLegend(); foreach ($tutorData as $tutorName => $tutor) { CreateRowHeader(); echo "
\n"; // the name of the tutor echo "

" . $tutorName . "\n"; //average echo "⌀" . round( ($tutor[0]+2*$tutor[1]+3*$tutor[2]+4*$tutor[3]+5*$tutor[4]) /(array_sum($tutor)-$tutor[5]), 2) . "\n"; echo "

\n"; echo "
\n"; echo "
\n"; echo "
\n"; $width = 800; $height = 300; //find max of answers to set max of x-axis, max of y-axis is always seven, because there are six possibilities to answer $maxX = max($tutor)+1; $maxY = 7; $img = CreateImage($width, $height); // the amount of answers for the different options and a picture for ($i = 0; $i < 6; $i++) { echo "

" . $tutor[$i] . "

\n"; $color = ImageColorAllocate($img, 0, 150*($tutor[$i]/$maxX) + 50, 0); DrawBar($img, $tutor[$i], $maxX, $i+2, $maxY, $tutor[$i], $color); } //finish image and save it $caption = array("N/A","--","-", "0", "+", "++"); DrawCoords($img, $maxX, $maxY, $caption); $file = str_replace(" ", "", $tutorName); ImagePNG($img,"tutor".$file.".png"); ImageDestroy($img); echo "
\n"; echo "
\n"; echo "
\n"; echo "
\n"; echo "
\n"; echo " "; echo "
\n"; echo "\n"; } } // if there was any comment Data in the log file, display it if (count($commentData) > 0) { CreateSectionHeader("Comments"); foreach ($commentData as $comment) // replace all new lines with html breaks to properly display multi-line comments CreateParagraph(str_replace("\n", "
\n", $comment)); } ?>