moodle-mod_htmlcert/classes/helper.php

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<?php
// This file is part of the customcert module for Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Provides helper functionality.
*
* @package mod_customcert
* @copyright 2021 Mark Nelson <mdjnelson@gmail.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace mod_customcert;
use core_user\fields;
defined('MOODLE_INTERNAL') || die();
/**
* Class helper.
*
* Helper functionality for this module.
*
* @package mod_customcert
* @copyright 2021 Mark Nelson <mdjnelson@gmail.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class helper {
/**
* A centralised location for the all name fields.
*
* Returns a sql string snippet.
*
* @param string $tableprefix table query prefix to use in front of each field.
* @return string All name fields.
*/
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public static function get_all_user_name_fields(string $tableprefix = ''): string {
$alternatenames = [];
foreach (fields::get_name_fields() as $field) {
$alternatenames[$field] = $field;
}
if ($tableprefix) {
foreach ($alternatenames as $key => $altname) {
$alternatenames[$key] = $tableprefix . '.' . $altname;
}
}
return implode(',', $alternatenames);
}
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}