function check_for_changes($row, $row_alternatives)
{
global $contentManager, $cid, $glossary, $glossary_ids_related, $addslashes;
$changes = array();
if ($row && strcmp(trim($addslashes($_POST['title'])), addslashes($row['title']))) {
$changes[0] = true;
} else {
if (!$row && $_POST['title']) {
$changes[0] = true;
}
}
if ($row && strcmp($addslashes(trim($_POST['head'])), trim(addslashes($row['head'])))) {
$changes[0] = true;
} else {
if (!$row && $_POST['head']) {
$changes[0] = true;
}
}
if ($row && strcmp($addslashes(trim($_POST['body_text'])), trim(addslashes($row['text'])))) {
$changes[0] = true;
} else {
if (!$row && $_POST['body_text']) {
$changes[0] = true;
}
}
if ($row && strcmp($addslashes(trim($_POST['weblink_text'])), trim(addslashes($row['text'])))) {
$changes[0] = true;
} else {
if (!$row && $_POST['weblink_text']) {
$changes[0] = true;
}
}
/* use customized head: */
if ($row && isset($_POST['use_customized_head']) && $_POST['use_customized_head'] != $row['use_customized_head']) {
$changes[0] = true;
}
/* formatting: */
if ($row && strcmp(trim($_POST['formatting']), $row['formatting'])) {
$changes[0] = true;
} else {
if (!$row && $_POST['formatting']) {
$changes[0] = true;
}
}
/* release date: */
if ($row && strcmp(substr(generate_release_date(), 0, -2), substr($row['release_date'], 0, -2))) {
/* the substr was added because sometimes the release_date in the db has the seconds field set, which we dont use */
/* so it would show a difference, even though it should actually be the same, so we ignore the seconds with the -2 */
/* the seconds gets added if the course was created during the installation process. */
$changes[1] = true;
} else {
if (!$row && strcmp(generate_release_date(), generate_release_date(true))) {
$changes[1] = true;
}
}
/* related content: */
$row_related = $contentManager->getRelatedContent($cid);
if (is_array($_POST['related']) && is_array($row_related)) {
$sum = array_sum(array_diff($_POST['related'], $row_related));
$sum += array_sum(array_diff($row_related, $_POST['related']));
if ($sum > 0) {
$changes[1] = true;
}
} else {
if (!is_array($_POST['related']) && !empty($row_related)) {
$changes[1] = true;
}
}
/* keywords */
if ($row && strcmp(trim($_POST['keywords']), $row['keywords'])) {
$changes[1] = true;
} else {
if (!$row && $_POST['keywords']) {
$changes[1] = true;
}
}
/* glossary */
if (is_array($_POST['glossary_defs'])) {
global $glossary_ids;
foreach ($_POST['glossary_defs'] as $w => $d) {
$key = in_array_cin($w, $glossary_ids);
if ($key === false) {
/* new term */
$changes[2] = true;
break;
} else {
if ($cid && ($d && $d != $glossary[$glossary_ids[$key]])) {
/* changed term */
$changes[2] = true;
break;
}
}
}
if (is_array($_POST['related_term'])) {
foreach ($_POST['related_term'] as $term => $r_id) {
if ($glossary_ids_related[$term] != $r_id) {
$changes[2] = true;
break;
}
}
}
}
/* adapted content */
if (isset($_POST['use_post_for_alt'])) {
foreach ($_POST as $alt_id => $alt_value) {
if (substr($alt_id, 0, 4) == 'alt_' && $alt_value != $row_alternatives[$alt_id]) {
$changes[3] = true;
break;
}
}
}
/* test & survey */
if ($row && isset($_POST['test_message']) && $_POST['test_message'] != $row['test_message']) {
$changes[4] = true;
}
if ($row && isset($_POST['allow_test_export']) && $_POST['allow_test_export'] != $row['allow_test_export']) {
$changes[4] = true;
}
return $changes;
}
if ($num_terms == 0) {
echo _AT('no_terms_found');
}
$num_glossary = count($glossary_ids);
for ($i = 0; $i < $num_terms; $i++) {
for ($j = 0; $j < $i; $j++) {
if ($strtolower($word[$j]) == $strtolower($word[$i])) {
/* skip multiple occurances of the same word: */
continue 2;
}
}
?>
<table cellspacing="1" cellpadding="0" border="0" class="bodyline" summary="" align="center">
<tr>
<td align="right" class="row1"><strong><?php
$key = in_array_cin($word[$i], $glossary_ids);
if ($key === false) {
echo '<strong>' . _AT('new') . '</strong> ';
$current_word = $word[$i];
$current_defn = $_POST['glossary_defs'][$word[$i]];
} else {
$current_word = $glossary_ids[$key];
if (!$_POST['glossary_defs'][$word[$i]]) {
$current_defn = $glossary[$glossary_ids[$key]];
} else {
$current_defn = $_POST['glossary_defs'][$word[$i]];
}
}
echo _AT('glossary_term');
?>
:</strong></td>
