data visualization for responses page
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Flatlogic Bot
parent
cdbc910be9
commit
170f400581
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assets/pasted-20251015-181829-ed77e158.png
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assets/pasted-20251015-181829-ed77e158.png
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After Width: | Height: | Size: 30 KiB |
@ -13,7 +13,6 @@ if (!$survey_id) {
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try {
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$pdo = db();
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// Fetch survey title
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$stmt = $pdo->prepare("SELECT title FROM surveys WHERE id = ?");
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$stmt->execute([$survey_id]);
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$survey = $stmt->fetch(PDO::FETCH_ASSOC);
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@ -24,24 +23,58 @@ try {
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exit;
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}
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// Fetch all responses for this survey
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$stmt = $pdo->prepare("SELECT * FROM survey_responses WHERE survey_id = ? ORDER BY submitted_at DESC");
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$stmt->execute([$survey_id]);
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$responses = $stmt->fetchAll(PDO::FETCH_ASSOC);
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// For each response, fetch the answers
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$responses_with_answers = [];
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foreach ($responses as $response) {
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$answer_stmt = $pdo->prepare("
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SELECT sa.answer_text, q.question_text
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$stmt = $pdo->prepare("
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SELECT q.id AS question_id, q.question_text, q.question_type, sa.answer_text
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FROM survey_answers sa
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JOIN questions q ON sa.question_id = q.id
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WHERE sa.response_id = ?
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WHERE q.survey_id = ?
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");
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$answer_stmt->execute([$response['id']]);
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$answers = $answer_stmt->fetchAll(PDO::FETCH_ASSOC);
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$response['answers'] = $answers;
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$responses_with_answers[] = $response;
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$stmt->execute([$survey_id]);
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$answers = $stmt->fetchAll(PDO::FETCH_ASSOC);
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$chart_data = [];
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$text_answers = [];
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foreach ($answers as $answer) {
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$question_id = $answer['question_id'];
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$question_text = $answer['question_text'];
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$question_type = $answer['question_type'];
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$answer_text = $answer['answer_text'];
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if ($question_type === 'multiple-choice' || $question_type === 'checkboxes') {
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if (!isset($chart_data[$question_id])) {
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$chart_data[$question_id] = [
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'question_text' => $question_text,
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'answers' => [],
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];
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}
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if ($question_type === 'checkboxes') {
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$selected_options = explode(',', $answer_text);
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foreach ($selected_options as $option) {
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$option = trim($option);
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if (!empty($option)) {
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if (!isset($chart_data[$question_id]['answers'][$option])) {
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$chart_data[$question_id]['answers'][$option] = 0;
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}
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$chart_data[$question_id]['answers'][$option]++;
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}
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}
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} else { // multiple-choice
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if (!isset($chart_data[$question_id]['answers'][$answer_text])) {
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$chart_data[$question_id]['answers'][$answer_text] = 0;
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}
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$chart_data[$question_id]['answers'][$answer_text]++;
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}
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} else {
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if (!isset($text_answers[$question_id])) {
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$text_answers[$question_id] = [
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'question_text' => $question_text,
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'answers' => [],
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];
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}
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$text_answers[$question_id]['answers'][] = $answer_text;
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}
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}
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} catch (PDOException $e) {
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@ -57,6 +90,9 @@ try {
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Responses for <?php echo htmlspecialchars($survey['title']); ?></title>
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<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
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<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
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<script src="https://d3js.org/d3.v4.min.js"></script>
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<script src="https://cdn.jsdelivr.net/gh/holtzy/D3-graph-gallery@master/LIB/d3.layout.cloud.js"></script>
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</head>
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<body>
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@ -81,34 +117,127 @@ try {
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<a href="admin.php" class="btn btn-secondary mb-4">← Back to Dashboard</a>
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<?php if (empty($responses_with_answers)): ?>
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<?php if (empty($chart_data) && empty($text_answers)): ?>
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<div class="alert alert-info">
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No responses have been submitted for this survey yet.
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</div>
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<?php else: ?>
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<?php foreach ($responses_with_answers as $response): ?>
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<div class="card mb-4">
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<div class="row">
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<?php foreach ($chart_data as $question_id => $data): ?>
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<div class="col-md-6 mb-4">
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<div class="card">
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<div class="card-header">
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Response submitted on: <?php echo htmlspecialchars(date("F j, Y, g:i a", strtotime($response['submitted_at']))); ?>
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<?php echo htmlspecialchars($data['question_text']); ?>
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</div>
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<div class="card-body">
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<ul class="list-group list-group-flush">
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<?php foreach ($response['answers'] as $answer): ?>
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<li class="list-group-item">
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<p class="fw-bold mb-1"><?php echo htmlspecialchars($answer['question_text']); ?></p>
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<p class="mb-0 text-muted"><?php echo htmlspecialchars($answer['answer_text']); ?></p>
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</li>
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<canvas id="chart-<?php echo $question_id; ?>"></canvas>
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</div>
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</div>
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</div>
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<?php endforeach; ?>
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</div>
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<?php if (!empty($text_answers)): ?>
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<hr class="my-5">
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<h2>Text Answers</h2>
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<?php foreach ($text_answers as $question_id => $data): ?>
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<div class="card mb-4">
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<div class="card-header">
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<?php echo htmlspecialchars($data['question_text']); ?>
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</div>
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<div class="card-body">
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<div id="word-cloud-<?php echo $question_id; ?>"></div>
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</div>
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</div>
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<?php endforeach; ?>
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<?php if (empty($response['answers'])): ?>
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<li class="list-group-item">No answers were provided for this submission.</li>
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<?php endif; ?>
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</ul>
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</div>
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</div>
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<?php endforeach; ?>
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<?php endif; ?>
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</div>
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<script>
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document.addEventListener('DOMContentLoaded', function () {
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<?php foreach ($chart_data as $question_id => $data): ?>
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new Chart(document.getElementById('chart-<?php echo $question_id; ?>'), {
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type: 'bar',
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data: {
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labels: <?php echo json_encode(array_keys($data['answers'])); ?>,
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datasets: [{
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label: 'Number of Responses',
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data: <?php echo json_encode(array_values($data['answers'])); ?>,
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backgroundColor: 'rgba(54, 162, 235, 0.6)',
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borderColor: 'rgba(54, 162, 235, 1)',
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borderWidth: 1
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}]
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},
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options: {
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scales: {
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y: {
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beginAtZero: true,
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ticks: {
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stepSize: 1
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}
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}
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}
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}
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});
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<?php endforeach; ?>
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<?php foreach ($text_answers as $question_id => $data): ?>
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var text = <?php echo json_encode(implode(" ", $data['answers'])); ?>;
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var words = text.split(/\s+/).map(function(word) {
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return word.replace(/[^\w\s]/gi, '').toLowerCase();
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}).filter(function(word) {
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return word.length > 3;
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});
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var wordCounts = {};
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words.forEach(function(word) {
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wordCounts[word] = (wordCounts[word] || 0) + 1;
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});
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var word_data = Object.keys(wordCounts).map(function(key) {
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return {text: key, size: wordCounts[key]};
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});
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var margin = {top: 10, right: 10, bottom: 10, left: 10},
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width = 450 - margin.left - margin.right,
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height = 450 - margin.top - margin.bottom;
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var svg = d3.select("#word-cloud-<?php echo $question_id; ?>").append("svg")
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.attr("width", width + margin.left + margin.right)
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.attr("height", height + margin.top + margin.bottom)
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.append("g")
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.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
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var layout = d3.layout.cloud()
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.size([width, height])
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.words(word_data.map(function(d) { return {text: d.text, size:d.size*10}; }))
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.padding(5)
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.rotate(function() { return ~~(Math.random() * 2) * 90; })
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.font("Impact")
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.fontSize(function(d) { return d.size; })
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.on("end", draw);
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layout.start();
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function draw(words) {
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svg
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.append("g")
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.attr("transform", "translate(" + layout.size()[0] / 2 + "," + layout.size()[1] / 2 + ")")
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.selectAll("text")
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.data(words)
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.enter().append("text")
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.style("font-size", function(d) { return d.size + "px"; })
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.style("font-family", "Impact")
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.attr("text-anchor", "middle")
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.attr("transform", function(d) {
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return "translate(" + [d.x, d.y] + ")rotate(" + d.rotate + ")";
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})
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.text(function(d) { return d.text; });
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}
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<?php endforeach; ?>
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});
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</script>
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<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
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</body>
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</html>
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