return $menu;
    }
 
    /**
     * Get a single database record as an object where all the given conditions met.
     *
     * @param string $table The table to select from.
     * @param array $conditions optional array $fieldname=>requestedvalue with AND in between
     * @param string $fields A comma separated list of fields to be returned from the chosen table.
     * @param int $strictness IGNORE_MISSING means compatible mode, false returned if record not found, debug message if more found;
     *                        IGNORE_MULTIPLE means return first, ignore multiple records found(not recommended);
     *                        MUST_EXIST means we will throw an exception if no record or multiple records found.
     *
     * @todo MDL-30407 MUST_EXIST option should not throw a dml_exception, it should throw a different exception as it's a requested check.
     * @return mixed a fieldset object containing the first matching record, false or exception if error not found depending on mode
     * @throws dml_exception A DML specific exception is thrown for any errors.
     */
    public function get_record($table, array $conditions, $fields='*', $strictness=IGNORE_MISSING) {
        list($select, $params) = $this->where_clause($table, $conditions);
        return $this->get_record_select($table, $select, $params, $fields, $strictness);
    }
 
    /**
     * Get a single database record as an object which match a particular WHERE clause.
     *
     * @param string $table The database table to be checked against.
     * @param string $select A fragment of SQL to be used in a where clause in the SQL call.
     * @param array $params array of sql parameters
     * @param string $fields A comma separated list of fields to be returned from the chosen table.
     * @param int $strictness IGNORE_MISSING means compatible mode, false returned if record not found, debug message if more found;
     *                        IGNORE_MULTIPLE means return first, ignore multiple records found(not recommended);
     *                        MUST_EXIST means throw exception if no record or multiple records found
     * @return stdClass|false a fieldset object containing the first matching record, false or exception if error not found depending on mode
     * @throws dml_exception A DML specific exception is thrown for any errors.
     */
    public function get_record_select($table, $select, ?array $params=null, $fields='*', $strictness=IGNORE_MISSING) {
        if ($select) {
            $select = "WHERE $select";
        }
        try {

    public function get_course_context($strict = true) {
        return $this;
    }
 
    /**
     * Returns course context instance.
     *
     * @param int $courseid id from {course} table
     * @param int $strictness
     * @return course|false context instance
     */
    public static function instance($courseid, $strictness = MUST_EXIST) {
        global $DB;
 
        if ($context = context::cache_get(self::LEVEL, $courseid)) {
            return $context;
        }
 
        if (!$record = $DB->get_record('context', array('contextlevel' => self::LEVEL, 'instanceid' => $courseid))) {
            if ($course = $DB->get_record('course', array('id' => $courseid), 'id,category', $strictness)) {
                if ($course->category) {
                    $parentcontext = coursecat::instance($course->category);
                    $record = context::insert_context_record(self::LEVEL, $course->id, $parentcontext->path);
                } else {
                    $record = context::insert_context_record(self::LEVEL, $course->id, '/'.SYSCONTEXTID, 0);
                }
            }
        }
 
        if ($record) {
            $context = new course($record);
            context::cache_add($context);
            return $context;
        }
 
        return false;
    }
 
    /**
     * Create missing context instances at course context level

                                    }
                                }
                                ?>
                            </div>
                        </div>
                    <?php } ?>
                    <div>
                        <?php
                        if (isset($data["trainers"]) && $data["trainers"]) { ?>
                            <div class="col-md-12">
                                <div class="col-md-6">
                                    <div class="h5"><?php echo format_text(get_string("trainer/s", "local_course")); ?> </div>
                                </div>
                                <div class="col-md-6">
                                    <?php echo format_text($data["trainers"]); ?>
                                </div>
                            </div>
                            <?php } else {
                            $role = $DB->get_record('role', array('shortname' => 'teacher'));
                            $context = context_course::instance($course->id);
                            if ($role):
                                $teachers = get_role_users($role->id, $context);
                                if (!$teachers) {
                                    $role = $DB->get_record('role', array('shortname' => 'editingteacher'));
                                    $teachers = get_role_users($role->id, $context);
                                }
                                $fullname = "";
                                if ($teachers) :
                            ?>
                                    <div class="col-md-12">
                                        <div class="col-md-6">
                                            <div class="h5"><?php echo format_text(get_string("trainer/s", "local_course")); ?> </div>
                                        </div>
                                        <div class="col-md-6">
                                            <?php
                                            if (isset($data["trainers"]) && $data["trainers"]) {
                                                echo format_text($data["trainers"]);
                                            } else {
                                                $role = $DB->get_record('role', array('shortname' => 'teacher'));
                                                $context = context_course::instance($course->id);