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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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* This PHP script is designed to display a graphical indication of the
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* rating. It will be called from HTML exactly as if it were an image, and will return
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* an image to the browser with the correct headers. The image will contain between one
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* and five stars
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*
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* @package block
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* @subpackage rate_course
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* @copyright 2009 Jenny Gray
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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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* Code was Rewritten for Moodle 2.X By Atar + Plus LTD for Comverse LTD.
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* @copyright © 2011 Comverse LTD.
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* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
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*/
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require_once(dirname(__FILE__).'/../../../config.php');
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$courseid = required_param('courseid', PARAM_INT); // Course.
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@header('Content-Type: image/gif');
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@header("Expires: ".gmdate("D, d M Y H:i:s") . " GMT" );
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@header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
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@header("Cache-Control: no-store, no-cache, must-revalidate");
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@header("Cache-Control: post-check=0, pre-check=0", false);
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@header("Pragma: no-cache");
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// Get average of marks given by users.
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$block = block_instance('rate_course');
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$avg = $block->get_rating($courseid);
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if ($avg >= 0) {
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echo file_get_contents( $CFG->dirroot.'/blocks/rate_course/pix/star'.$avg.'.png' );
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}
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