Gecko [ elibrary.unsap.ac.id ]

Name	Size	Permission	Date
adodb	[ DIR ]	drwxrwxrwx	2022-12-30 22:31
ajax	[ DIR ]	drwxrwxrwx	2022-12-30 22:31
amd	[ DIR ]	drwxrwxrwx	2022-12-30 22:31
antivirus	[ DIR ]	drwxrwxrwx	2022-12-30 22:31
babel-polyfill	[ DIR ]	drwxrwxrwx	2022-12-30 22:31
behat	[ DIR ]	drwxrwxrwx	2022-12-30 22:31
bennu	[ DIR ]	drwxrwxrwx	2022-12-30 22:31
classes	[ DIR ]	drwxrwxrwx	2022-12-30 22:31
db	[ DIR ]	drwxrwxrwx	2022-12-30 22:31
ddl	[ DIR ]	drwxrwxrwx	2022-12-30 22:31
dml	[ DIR ]	drwxrwxrwx	2022-12-30 22:31
dtl	[ DIR ]	drwxrwxrwx	2022-12-30 22:31
editor	[ DIR ]	drwxrwxrwx	2022-12-30 22:31
emoji-data	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
evalmath	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
external	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
filebrowser	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
filestorage	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
fonts	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
form	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
geopattern-php	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
google	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
grade	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
horde	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
html2text	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
htmlpurifier	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
jabber	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
jquery	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
ltiprovider	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
markdown	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
maxmind	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
minify	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
mlbackend	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
mustache	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
pear	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
php-css-parser	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
php-jwt	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
phpmailer	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
phpspreadsheet	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
phpunit	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
plist	[ DIR ]	drwxrwxrwx	2024-09-03 01:06
polyfills	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
portfolio	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
requirejs	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
rtlcss	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
scssphp	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
simplepie	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
spout	[ DIR ]	drwxrwxrwx	2022-12-30 22:32
table	[ DIR ]	drwxrwxrwx	2022-12-30 22:33
tcpdf	[ DIR ]	drwxrwxrwx	2022-12-30 22:33
templates	[ DIR ]	drwxrwxrwx	2022-12-30 22:33
testing	[ DIR ]	drwxrwxrwx	2022-12-30 22:33
tests	[ DIR ]	drwxrwxrwx	2022-12-30 22:33
typo3	[ DIR ]	drwxrwxrwx	2022-12-30 22:33
userkey	[ DIR ]	drwxrwxrwx	2022-12-30 22:33
xapi	[ DIR ]	drwxrwxrwx	2022-12-30 22:33
xhprof	[ DIR ]	drwxrwxrwx	2022-12-30 22:33
xmldb	[ DIR ]	drwxrwxrwx	2022-12-30 22:33
yui	[ DIR ]	drwxrwxrwx	2022-12-30 22:33
yuilib	[ DIR ]	drwxrwxrwx	2022-12-30 22:33
accesslib.php	266.42 KB	-rw-rw-rw-	2022-01-31 00:06
adminlib.php	388.3 KB	-rw-rw-rw-	2022-01-31 00:06
authlib.php	40.95 KB	-rw-rw-rw-	2022-01-31 00:06
badgeslib.php	42.81 KB	-rw-rw-rw-	2022-01-31 00:06
blocklib.php	99.34 KB	-rw-rw-rw-	2022-01-31 00:06
boxlib.php	8.08 KB	-rw-rw-rw-	2022-01-31 00:06
cacert.pem	239.21 KB	-rw-rw-rw-	2022-01-31 00:06
cacert.txt	811 B	-rw-rw-rw-	2022-01-31 00:06
clilib.php	8.76 KB	-rw-rw-rw-	2022-01-31 00:06
completionlib.php	50.73 KB	-rw-rw-rw-	2022-01-31 00:06
componentlib.class.php	29.2 KB	-rw-rw-rw-	2022-01-31 00:06
components.json	3.45 KB	-rw-rw-rw-	2022-01-31 00:06
conditionlib.php	1.11 KB	-rw-rw-rw-	2022-01-31 00:06
configonlylib.php	6.48 KB	-rw-rw-rw-	2022-01-31 00:06
cookies.js	2.37 KB	-rw-rw-rw-	2022-01-31 00:06
coursecatlib.php	3.25 KB	-rw-rw-rw-	2022-01-31 00:06
cronlib.php	14.1 KB	-rw-rw-rw-	2022-01-31 00:06
csslib.php	6.81 KB	-rw-rw-rw-	2022-01-31 00:06
csvlib.class.php	17.38 KB	-rw-rw-rw-	2022-01-31 00:06
customcheckslib.php	1.5 KB	-rw-rw-rw-	2022-01-31 00:06
dataformatlib.php	1.79 KB	-rw-rw-rw-	2022-01-31 00:06
datalib.php	69.91 KB	-rw-rw-rw-	2022-01-31 00:06
ddllib.php	4.71 KB	-rw-rw-rw-	2022-01-31 00:06
default.ttf	502.23 KB	-rw-rw-rw-	2022-01-31 00:06
deprecatedlib.php	122.87 KB	-rw-rw-rw-	2022-01-31 00:06
dmllib.php	12.2 KB	-rw-rw-rw-	2022-01-31 00:06
dtllib.php	2.58 KB	-rw-rw-rw-	2022-01-31 00:06
editorlib.php	6.43 KB	-rw-rw-rw-	2022-01-31 00:06
emptyfile.php	809 B	-rw-rw-rw-	2022-01-31 00:06
enrollib.php	119.71 KB	-rw-rw-rw-	2022-01-31 00:06
environmentlib.php	57.02 KB	-rw-rw-rw-	2022-01-31 00:06
excellib.class.php	30.34 KB	-rw-rw-rw-	2022-01-31 00:06
externallib.php	60.19 KB	-rw-rw-rw-	2022-01-31 00:06
filelib.php	196.38 KB	-rw-rw-rw-	2022-01-31 00:06
filterlib.php	59 KB	-rw-rw-rw-	2022-01-31 00:06
flickrclient.php	9.44 KB	-rw-rw-rw-	2022-01-31 00:06
flickrlib.php	52.08 KB	-rw-rw-rw-	2022-01-31 00:06
formslib.php	139.39 KB	-rw-rw-rw-	2022-01-31 00:06
gdlib.php	16.96 KB	-rw-rw-rw-	2022-01-31 00:06
googleapi.php	16.83 KB	-rw-rw-rw-	2022-01-31 00:06
gradelib.php	60.98 KB	-rw-rw-rw-	2022-01-31 00:06
graphlib.php	83.1 KB	-rw-rw-rw-	2022-01-31 00:06
grouplib.php	47.89 KB	-rw-rw-rw-	2022-01-31 00:06
index.html	1 B	-rw-rw-rw-	2022-01-31 00:06
installlib.php	18.06 KB	-rw-rw-rw-	2022-01-31 00:06
javascript-static.js	43.13 KB	-rw-rw-rw-	2022-01-31 00:06
javascript.php	4.09 KB	-rw-rw-rw-	2022-01-31 00:06
jslib.php	4.21 KB	-rw-rw-rw-	2022-01-31 00:06
jssourcemap.php	2.41 KB	-rw-rw-rw-	2022-01-31 00:06
ldaplib.php	18.25 KB	-rw-rw-rw-	2022-01-31 00:06
lexer.php	16.07 KB	-rw-rw-rw-	2022-01-31 00:06
licenselib.php	12.53 KB	-rw-rw-rw-	2022-01-31 00:06
listlib.php	22.53 KB	-rw-rw-rw-	2022-01-31 00:06
mathslib.php	4.47 KB	-rw-rw-rw-	2022-01-31 00:06
messagelib.php	33.52 KB	-rw-rw-rw-	2022-01-31 00:06
modinfolib.php	109.69 KB	-rw-rw-rw-	2022-01-31 00:06
moodlelib.php	378.65 KB	-rw-rw-rw-	2022-01-31 00:06
myprofilelib.php	19.71 KB	-rw-rw-rw-	2022-01-31 00:06
navigationlib.php	247.85 KB	-rw-rw-rw-	2022-01-31 00:06
oauthlib.php	24.44 KB	-rw-rw-rw-	2022-01-31 00:06
odslib.class.php	57.36 KB	-rw-rw-rw-	2022-01-31 00:06
outputactions.php	7.11 KB	-rw-rw-rw-	2022-01-31 00:06
outputcomponents.php	161.1 KB	-rw-rw-rw-	2022-01-31 00:06
outputfactories.php	18.11 KB	-rw-rw-rw-	2022-01-31 00:06
outputfragmentrequirementslib.php	4.28 KB	-rw-rw-rw-	2022-01-31 00:06
outputlib.php	93.22 KB	-rw-rw-rw-	2022-01-31 00:06
outputrenderers.php	203.78 KB	-rw-rw-rw-	2022-01-31 00:06
outputrequirementslib.php	86.06 KB	-rw-rw-rw-	2022-01-31 00:06
pagelib.php	77.25 KB	-rw-rw-rw-	2022-01-31 00:06
pdflib.php	9.23 KB	-rw-rw-rw-	2022-01-31 00:06
phpminimumversionlib.php	3.08 KB	-rw-rw-rw-	2022-01-31 00:06
plagiarismlib.php	8.01 KB	-rw-rw-rw-	2022-01-31 00:06
portfoliolib.php	53.59 KB	-rw-rw-rw-	2022-01-31 00:06
questionlib.php	88.77 KB	-rw-rw-rw-	2022-01-31 00:06
recaptchalib_v2.php	6.39 KB	-rw-rw-rw-	2022-01-31 00:06
requirejs.php	6.9 KB	-rw-rw-rw-	2022-01-31 00:06
resourcelib.php	8.91 KB	-rw-rw-rw-	2022-01-31 00:06
rsslib.php	17.84 KB	-rw-rw-rw-	2022-01-31 00:06
searchlib.php	17.95 KB	-rw-rw-rw-	2022-01-31 00:06
sessionlib.php	6.97 KB	-rw-rw-rw-	2022-01-31 00:06
setup.php	38.75 KB	-rw-rw-rw-	2022-01-31 00:06
setuplib.php	77.21 KB	-rw-rw-rw-	2022-01-31 00:06
soaplib.php	5.23 KB	-rw-rw-rw-	2022-01-31 00:06
statslib.php	67.65 KB	-rw-rw-rw-	2022-01-31 00:06
tablelib.php	74.21 KB	-rw-rw-rw-	2022-01-31 00:06
thirdpartylibs.xml	9.03 KB	-rw-rw-rw-	2022-01-31 00:06
tokeniserlib.php	16.48 KB	-rw-rw-rw-	2022-01-31 00:06
upgrade.txt	105.38 KB	-rw-rw-rw-	2022-01-31 00:06
upgradelib.php	101.44 KB	-rw-rw-rw-	2022-01-31 00:06
uploadlib.php	1.9 KB	-rw-rw-rw-	2022-01-31 00:06
validateurlsyntax.php	23.05 KB	-rw-rw-rw-	2022-01-31 00:06
webdavlib.php	68.75 KB	-rw-rw-rw-	2022-01-31 00:06
weblib.php	124.82 KB	-rw-rw-rw-	2022-01-31 00:06
wiki_to_markdown.php	13.12 KB	-rw-rw-rw-	2022-01-31 00:06
womenslib.php	1021 B	-rw-rw-rw-	2022-01-31 00:06
wordlist.txt	1.23 KB	-rw-rw-rw-	2022-01-31 00:06
xhtml.xsl	223 B	-rw-rw-rw-	2022-01-31 00:06
xmlize.php	8.85 KB	-rw-rw-rw-	2022-01-31 00:06
xsendfilelib.php	2.59 KB	-rw-rw-rw-	2022-01-31 00:06

Rename

<?php

// This file is part of 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/>.

/**
 * @package    core
 * @subpackage lib
 * @copyright  Petr Skoda (skodak)
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die();

/** @see evalmath/evalmath.class.php */
require_once $CFG->dirroot.'/lib/evalmath/evalmath.class.php';

/**
 * This class abstracts evaluation of spreadsheet formulas.
 * See unit tests in lib/tests/mathslib_test.php for sample usage.
 *
 * @package moodlecore
 * @copyright Petr Skoda (skodak)
  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class calc_formula {

// private properties
    var $_em;
    var $_nfx   = false;   // postfix notation
    var $_error = false; // last error

/**
     * Constructor for spreadsheet formula with optional parameters
     *
     * @param string $formula with leading =
     * @param array $params associative array of parameters used in formula. All parameter names must be lowercase!
     */
    public function __construct($formula, $params=false) {
        $this->_em = new EvalMath();
        $this->_em->suppress_errors = true; // no PHP errors!
        if (strpos($formula, '=') !== 0) {
            $this->_error = "missing leading '='";
            return;
        }
        $formula = substr($formula, 1);

$this->_nfx = $this->_em->nfx($formula);
        if ($this->_nfx == false) {
            $this->_error = $this->_em->last_error;
            return;
        }
        if ($params != false) {
            $this->set_params($params);
        }
    }

/**
     * Old syntax of class constructor. Deprecated in PHP7.
     *
     * @deprecated since Moodle 3.1
     */
    public function calc_formula($formula, $params=false) {
        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
        self::__construct($formula, $params);
    }

/**
     * Raplace parameters used in existing formula,
     * parameter names must contain only lowercase [a-z] letters, no other characters are allowed!
     *
     * @param array $params associative array of parameters used in formula
     */
    function set_params($params) {
        $this->_em->v = $params;
    }

/**
     * Evaluate formula
     *
     * @return mixed number if ok, false if error
     */
    function evaluate() {
        if ($this->_nfx == false) {
            return false;
        }
        $res = $this->_em->pfx($this->_nfx);
        if ($res === false) {
            $this->_error = $this->_em->last_error;
            return false;
        } else {
            $this->_error = false;
            return $res;
        }
    }

/**
     * Get last error.
     * TODO: localize the strings from contructor and EvalMath library
     *
     * @return mixed string with last error description or false if ok
     */
    function get_error() {
        return $this->_error;
    }

/**
     * Similar to format_float, formats the numbers and list separators
     * according to locale specifics.
     * @param string $formula
     * @return string localised formula
     */
    public static function localize($formula) {
        $formula = str_replace('.', '$', $formula); // temp placeholder
        $formula = str_replace(',', get_string('listsep', 'langconfig'), $formula);
        $formula = str_replace('$', get_string('decsep', 'langconfig'), $formula);
        return $formula;
    }

/**
     * Similar to unformat_float, converts floats and lists to PHP standards.
     * @param string $formula localised formula
     * @return string
     */
    public static function unlocalize($formula) {
        $formula = str_replace(get_string('decsep', 'langconfig'), '$', $formula);
        $formula = str_replace(get_string('listsep', 'langconfig'), ',', $formula);
        $formula = str_replace('$', '.', $formula); // temp placeholder
        return $formula;
    }
}