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231 lines
8.3 KiB
231 lines
8.3 KiB
<?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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* Fixture for Behat test of the max_input_vars handling for large forms.
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*
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* @package core
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* @copyright 2015 The Open University
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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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require(__DIR__ . '/../../../config.php');
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require_once($CFG->libdir . '/formslib.php');
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// Behat test fixture only.
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defined('BEHAT_SITE_RUNNING') || die('Only available on Behat test server');
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/**
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* Form for testing max_input_vars.
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*
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* @copyright 2015 The Open University
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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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class core_max_input_vars_form extends moodleform {
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/**
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* Form definition.
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*/
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public function definition() {
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global $CFG, $PAGE;
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$mform =& $this->_form;
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$mform->addElement('header', 'general', '');
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$mform->addElement('hidden', 'type', $this->_customdata['type']);
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$mform->setType('type', PARAM_ALPHA);
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// This is similar to how the selects are created for the role tables,
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// without using a Moodle form element.
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$select = html_writer::select(array(13 => 'ArrayOpt13', 42 => 'ArrayOpt4', 666 => 'ArrayOpt666'),
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'arraytest[]', array(13, 42), false, array('multiple' => 'multiple', 'size' => 10));
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$mform->addElement('static', 'arraybit', $select);
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switch ($this->_customdata['control']) {
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case 'c' :
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// Create a whole stack of checkboxes.
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for ($i = 0; $i < $this->_customdata['fieldcount']; $i++) {
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$mform->addElement('advcheckbox', 'test_c' . $i, 'Checkbox ' . $i);
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}
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break;
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case 'a' :
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// Create a very large array input type field.
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$options = array();
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$values = array();
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for ($i = 0; $i < $this->_customdata['fieldcount']; $i++) {
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$options[$i] = 'BigArray ' . $i;
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if ($i !== 3) {
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$values[] = $i;
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}
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}
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$select = html_writer::select($options,
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'test_a[]', $values, false, array('multiple' => 'multiple', 'size' => 50));
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$mform->addElement('static', 'bigarraybit', $select);
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break;
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}
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// For the sake of it, let's have a second array.
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$select = html_writer::select(array(13 => 'Array2Opt13', 42 => 'Array2Opt4', 666 => 'Array2Opt666'),
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'array2test[]', array(13, 42), false, array('multiple' => 'multiple', 'size' => 10));
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$mform->addElement('static', 'array2bit', $select);
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$mform->addElement('submit', 'submitbutton', 'Submit here!');
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}
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}
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require_login();
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$context = context_system::instance();
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$type = optional_param('type', '', PARAM_ALPHA);
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// Set up the page details.
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$PAGE->set_url(new moodle_url('/lib/tests/fixtures/max_input_vars.php'));
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$PAGE->set_context($context);
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if ($type) {
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// Make it work regardless of max_input_vars setting on server, within reason.
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if ($type[1] === 's') {
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// Small enough to definitely fit in the area.
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$fieldcount = 10;
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} else if ($type[1] === 'm') {
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// Just under the limit (will go over for advancedcheckbox).
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$fieldcount = (int)ini_get('max_input_vars') - 100;
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} else if ($type[1] === 'e') {
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// Exactly on the PHP limit, taking into account extra form fields
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// and the double fields for checkboxes.
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if ($type[0] === 'c') {
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$fieldcount = (int)ini_get('max_input_vars') / 2 - 2;
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} else {
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$fieldcount = (int)ini_get('max_input_vars') - 11;
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}
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} else if ($type[1] === 'l') {
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// Just over the limit.
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$fieldcount = (int)ini_get('max_input_vars') + 100;
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}
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$mform = new core_max_input_vars_form('max_input_vars.php',
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array('type' => $type, 'fieldcount' => $fieldcount, 'control' => $type[0]));
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if ($type[0] === 'c') {
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$data = array();
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for ($i = 0; $i < $fieldcount; $i++) {
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if ($i === 3) {
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// Everything is set except number 3.
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continue;
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}
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$data['test_c' . $i] = 1;
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}
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$mform->set_data($data);
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}
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}
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echo $OUTPUT->header();
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if ($type && ($result = $mform->get_data())) {
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$testc = array();
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$testa = array();
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foreach ($_POST as $key => $value) {
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$matches = array();
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// Handle the 'bulk' ones separately so we can show success/fail rather
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// than outputting a thousand items; also makes it possible to Behat-test
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// without depending on specific value of max_input_vars.
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if (preg_match('~^test_c([0-9]+)$~', $key, $matches)) {
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$testc[(int)$matches[1]] = $value;
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} else if ($key === 'test_a') {
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$testa = $value;
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} else {
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// Other fields are output straight off.
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if (is_array($value)) {
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echo html_writer::div(s($key) . '=[' . s(implode(',', $value)) . ']');
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} else {
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echo html_writer::div(s($key) . '=' . s($value));
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}
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}
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}
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// Confirm that the bulk results are correct.
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switch ($type[0]) {
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case 'c' :
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$success = true;
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for ($i = 0; $i < $fieldcount; $i++) {
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if (!array_key_exists($i, $testc)) {
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$success = false;
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break;
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}
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if ($testc[$i] != ($i == 3 ? 0 : 1)) {
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$success = false;
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break;
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}
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}
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if (array_key_exists($fieldcount, $testc)) {
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$success = false;
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}
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// Check using Moodle form and _param functions too.
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$key = 'test_c' . ($fieldcount - 1);
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if (empty($result->{$key})) {
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$success = false;
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}
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if (optional_param($key, 0, PARAM_INT) !== 1) {
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$success = false;
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}
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echo html_writer::div('Bulk checkbox success: ' . ($success ? 'true' : 'false'));
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break;
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case 'a' :
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$success = true;
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for ($i = 0; $i < $fieldcount; $i++) {
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if ($i === 3) {
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if (in_array($i, $testa)) {
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$success = false;
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break;
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}
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} else {
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if (!in_array($i, $testa)) {
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$success = false;
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break;
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}
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}
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}
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if (in_array($fieldcount, $testa)) {
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$success = false;
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}
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// Check using Moodle _param function. The form does not include these
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// fields so it won't be in the form result.
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$array = optional_param_array('test_a', array(), PARAM_INT);
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if ($array != $testa) {
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$success = false;
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}
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echo html_writer::div('Bulk array success: ' . ($success ? 'true' : 'false'));
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break;
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}
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} else if ($type) {
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$mform->display();
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}
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// Show links to each available type of test.
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echo html_writer::start_tag('ul');
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foreach (array('c' => 'Advanced checkboxes',
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'a' => 'Select options') as $control => $controlname) {
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foreach (array('s' => 'Small', 'm' => 'Below limit', 'e' => 'Exact PHP limit',
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'l' => 'Above limit') as $size => $sizename) {
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echo html_writer::tag('li', html_writer::link('max_input_vars.php?type=' .
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$control . $size, $controlname . ' / ' . $sizename));
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}
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}
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echo html_writer::end_tag('ul');
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echo $OUTPUT->footer();
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