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@@ -76,12 +76,14 @@ function GetComment($path, $course_code = '') {
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global $dbTable;
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$course_info = api_get_course_info($course_code);
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$path = Database::escape_string($path);
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- $query = "SELECT comment FROM $dbTable WHERE c_id = {$course_info['real_id']} AND path='$path'";
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- $result = Database::query($query);
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- while ($row = Database::fetch_array($result)) {
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- return $row[0];
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+ if (!empty($course_info) && !empty($path)) {
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+ $query = "SELECT comment FROM $dbTable WHERE c_id = {$course_info['real_id']} AND path='$path'";
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+ $result = Database::query($query);
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+ while ($row = Database::fetch_array($result)) {
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+ return $row[0];
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+ }
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}
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- return '';
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+ return null;
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}
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/**
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@@ -97,7 +99,7 @@ function SetComment($path, $comment) {
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$course_id = api_get_course_int_id();
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$query = "UPDATE $dbTable SET comment='$comment' WHERE $course_id AND path='$path'";
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$result = Database::query($query);
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- return "$result";
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+ return $result;
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}
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/**
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