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55 lines
1.5 KiB
55 lines
1.5 KiB
<?php
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/* For licensing terms, see /license.txt */
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exit;
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require_once __DIR__ . '/../../main/inc/global.inc.php';
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$sql = 'SELECT iid, id, question, c_id
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FROM c_quiz_question
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ORDER BY iid';
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$result = Database::query($sql);
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$data = Database::store_result($result);
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$counter = 1;
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$total = count($data);
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echo 'Exercises to check: '.$total.PHP_EOL;
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foreach ($data as $row) {
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$id = $row['id'];
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$courseId = $row['c_id'];
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$content = fixText($row['question']);
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$params = [
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'question' => $content
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];
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Database::update('c_quiz_question', $params, ['id = ? and c_id = ?' => [$id, $courseId]]);
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$sql = "SELECT iid, answer, comment FROM c_quiz_answer WHERE question_id = $id and c_id = $courseId";
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$result = Database::query($sql);
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$items = Database::store_result($result, 'ASSOC');
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foreach ($items as $item) {
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$id = $item['iid'];
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$content = fixText($item['answer']);
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$params = [
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'answer' => $content
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];
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Database::update('c_quiz_answer', $params, ['iid = ? ' => $id]);
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}
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}
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function fixText($content)
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{
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$matches = [];
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if (preg_match_all('/<img alt="(.*)?" (.*)?mimetex.cgi\? (.*)?\/>/', $content, $matches)) {
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$count = count($matches[0]);
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for ($i = 0; $i <= $count; $i++) {
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if (isset($matches[0]) && isset($matches[0][$i])) {
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$value = "<span class=\"math-tex\">`".$matches[1][$i]."`</span>";
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$content = str_replace($matches[0][$i], $value, $content);
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}
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}
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}
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return $content;
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}
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