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@@ -489,11 +489,11 @@ class UserManager
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return false;
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}
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$sql = "SELECT * FROM $table_course_user
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- WHERE status = '1' AND id = '".$user_id."'";
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+ WHERE status = 1 AND user_id = ".$user_id;
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$res = Database::query($sql);
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while ($course = Database::fetch_object($res)) {
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$sql = "SELECT id FROM $table_course_user
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- WHERE status='1' AND c_id ='".Database::escape_string($course->c_id)."'";
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+ WHERE status=1 AND c_id = " . Database::escape_string($course->c_id);
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$res2 = Database::query($sql);
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if (Database::num_rows($res2) == 1) {
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return false;
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