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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Mustache helper that will add JS to the end of the page.
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*
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* @package core
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* @category output
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* @copyright 2015 Damyon Wiese
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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namespace core\output;
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/**
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* Lazy create a uniqid per instance of the class. The id is only generated
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* when this class it converted to a string.
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*
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* @copyright 2015 Damyon Wiese
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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* @since 2.9
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*/
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class mustache_uniqid_helper {
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/** @var string $uniqid The unique id */
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private $uniqid = null;
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/**
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* Init the random variable and return it as a string.
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*
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* @return string random id.
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*/
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public function __toString() {
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if ($this->uniqid === null) {
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$this->uniqid = \html_writer::random_id(uniqid());
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}
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return $this->uniqid;
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}
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}
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