course/edit_form.php

   1 <?php  //$Id$
   2
   3 require_once($CFG->libdir.'/formslib.php');
   4
   5 class course_edit_form extends moodleform {
   6
   7     function definition() {
   8         global $USER, $CFG;
   9
  10         $courseconfig = get_config('moodlecourse');
  11         $mform    =& $this->_form;
  12
  13         $course   = $this->_customdata['course'];
  14         $category = $this->_customdata['category'];
  15
  16         $systemcontext = get_context_instance(CONTEXT_SYSTEM);
  17         $categorycontext = get_context_instance(CONTEXT_COURSECAT, $category->id);
  18
  19         $disable_meta = false; // basic meta course state protection; server-side security checks not needed
  20
  21         if (!empty($course)) {
  22             $coursecontext = get_context_instance(CONTEXT_COURSE, $course->id);
  23             $context = $coursecontext;
  24
  25             if (course_in_meta($course)) {
  26                 $disable_meta = get_string('metaalreadyinmeta');
  27
  28             } else if ($course->metacourse) {
  29                 if (count_records('course_meta', 'parent_course', $course->id) > 0) {
  30                     $disable_meta = get_string('metaalreadyhascourses');
  31                 }
  32
  33             } else {
  34                 // if users already enrolled directly into coures, do not allow switching to meta,
  35                 // users with metacourse manage permission are exception
  36                 // please note that we do not need exact results - anything unexpected here prevents metacourse
  37                 $managers = get_users_by_capability($coursecontext, 'moodle/course:managemetacourse', 'u.id');
  38                 $enrolroles = get_roles_with_capability('moodle/course:view', CAP_ALLOW, $coursecontext);
  39                 if ($users = get_role_users(array_keys($enrolroles), $coursecontext, false, 'u.id', 'u.id ASC')) {
  40                     foreach($users as $user) {
  41                         if (!isset($managers[$user->id])) {
  42                             $disable_meta = get_string('metaalreadyhasenrolments');
  43                             break;
  44                         }
  45                     }
  46                 }
  47                 unset($managers);
  48                 unset($users);
  49                 unset($enrolroles);
  50             }
  51         } else {
  52             $coursecontext = null;
  53             $context = $categorycontext;
  54         }
  55
  56 /// form definition with new course defaults
  57 //--------------------------------------------------------------------------------
  58         $mform->addElement('header','general', get_string('general', 'form'));
  59
  60         // Must have create course capability in both categories in order to move course
  61         if (has_capability('moodle/course:create', $categorycontext)) {
  62             $displaylist = array();
  63             $parentlist = array();
  64             make_categories_list($displaylist, $parentlist, 'moodle/course:create');
  65             $mform->addElement('select', 'category', get_string('category'), $displaylist);
  66         } else {
  67             $mform->addElement('hidden', 'category', null);
  68             $mform->setType('category', PARAM_INT);
  69         }
  70         $mform->setHelpButton('category', array('coursecategory', get_string('category')));
  71         $mform->setDefault('category', $category->id);
  72         $mform->setType('category', PARAM_INT);
  73
  74         if ($course and !has_capability('moodle/course:changecategory', $coursecontext)) {
  75             $mform->hardFreeze('category');
  76             $mform->setConstant('category', $category->id);
  77         }
  78
  79         $mform->addElement('text','fullname', get_string('fullname'),'maxlength="254" size="50"');
  80         $mform->setHelpButton('fullname', array('coursefullname', get_string('fullname')), true);
  81         $mform->setDefault('fullname', get_string('defaultcoursefullname'));
  82         $mform->addRule('fullname', get_string('missingfullname'), 'required', null, 'client');
  83         $mform->setType('fullname', PARAM_MULTILANG);
  84         if ($course and !has_capability('moodle/course:changefullname', $coursecontext)) {
  85             $mform->hardFreeze('fullname');
  86             $mform->setConstant('fullname', $course->fullname);
  87         }
  88
  89         $mform->addElement('text','shortname', get_string('shortname'),'maxlength="100" size="20"');
  90         $mform->setHelpButton('shortname', array('courseshortname', get_string('shortname')), true);
  91         $mform->setDefault('shortname', get_string('defaultcourseshortname'));
  92         $mform->addRule('shortname', get_string('missingshortname'), 'required', null, 'client');
  93         $mform->setType('shortname', PARAM_MULTILANG);
  94         if ($course and !has_capability('moodle/course:changeshortname', $coursecontext)) {
  95             $mform->hardFreeze('shortname');
  96             $mform->setConstant('shortname', $course->shortname);
  97         }
  98
  99         $mform->addElement('text','idnumber', get_string('idnumbercourse'),'maxlength="100"  size="10"');
 100         $mform->setHelpButton('idnumber', array('courseidnumber', get_string('idnumbercourse')), true);
 101         $mform->setType('idnumber', PARAM_RAW);
 102         if ($course and !has_capability('moodle/course:changeidnumber', $coursecontext)) {
 103             $mform->hardFreeze('idnumber');
 104             $mform->setConstants('idnumber', $course->idnumber);
 105         }
 106
 107         $mform->addElement('htmleditor','summary', get_string('summary'), array('rows'=> '10', 'cols'=>'65'));
 108         $mform->setHelpButton('summary', array('text', get_string('helptext')), true);
 109         $mform->setType('summary', PARAM_RAW);
 110
 111         if ($course and !has_capability('moodle/course:changesummary', $coursecontext)) {
 112             $mform->hardFreeze('summary');
 113         }
 114
 115         $courseformats = get_list_of_plugins('course/format');
 116         $formcourseformats = array();
 117         foreach ($courseformats as $courseformat) {
 118             $formcourseformats["$courseformat"] = get_string("format$courseformat","format_$courseformat");
 119             if($formcourseformats["$courseformat"]=="[[format$courseformat]]") {
 120                 $formcourseformats["$courseformat"] = get_string("format$courseformat");
 121             }
 122         }
 123         $mform->addElement('select', 'format', get_string('format'), $formcourseformats);
 124         $mform->setHelpButton('format', array('courseformats', get_string('courseformats')), true);
 125         $mform->setDefault('format', $courseconfig->format);
 126
 127         for ($i=1; $i<=52; $i++) {
 128           $sectionmenu[$i] = "$i";
 129         }
 130         $mform->addElement('select', 'numsections', get_string('numberweeks'), $sectionmenu);
 131         $mform->setDefault('numsections', $courseconfig->numsections);
 132
 133         $mform->addElement('date_selector', 'startdate', get_string('startdate'));
 134         $mform->setHelpButton('startdate', array('coursestartdate', get_string('startdate')), true);
 135         $mform->setDefault('startdate', time() + 3600 * 24);
 136
 137         $choices = array();
 138         $choices['0'] = get_string('hiddensectionscollapsed');
 139         $choices['1'] = get_string('hiddensectionsinvisible');
 140         $mform->addElement('select', 'hiddensections', get_string('hiddensections'), $choices);
 141         $mform->setHelpButton('hiddensections', array('coursehiddensections', get_string('hiddensections')), true);
 142         $mform->setDefault('hiddensections', $courseconfig->hiddensections);
 143
 144         $options = range(0, 10);
 145         $mform->addElement('select', 'newsitems', get_string('newsitemsnumber'), $options);
 146         $mform->setHelpButton('newsitems', array('coursenewsitems', get_string('newsitemsnumber')), true);
 147         $mform->setDefault('newsitems', $courseconfig->newsitems);
 148
 149         $mform->addElement('selectyesno', 'showgrades', get_string('showgrades'));
 150         $mform->setHelpButton('showgrades', array('coursegrades', get_string('grades')), true);
 151         $mform->setDefault('showgrades', $courseconfig->showgrades);
 152
 153         $mform->addElement('selectyesno', 'showreports', get_string('showreports'));
 154         $mform->setHelpButton('showreports', array('coursereports', get_string('activityreport')), true);
 155         $mform->setDefault('showreports', $courseconfig->showreports);
 156
 157         $choices = get_max_upload_sizes($CFG->maxbytes);
 158         $mform->addElement('select', 'maxbytes', get_string('maximumupload'), $choices);
 159         $mform->setHelpButton('maxbytes', array('courseuploadsize', get_string('maximumupload')), true);
 160         $mform->setDefault('maxbytes', $courseconfig->maxbytes);
 161
 162         if (!empty($CFG->allowcoursethemes)) {
 163             $themes=array();
 164             $themes[''] = get_string('forceno');
 165             $themes += get_list_of_themes();
 166             $mform->addElement('select', 'theme', get_string('forcetheme'), $themes);
 167         }
 168
 169         $meta=array();
 170         $meta[0] = get_string('no');
 171         $meta[1] = get_string('yes');
 172         if ($disable_meta === false) {
 173             $mform->addElement('select', 'metacourse', get_string('managemeta'), $meta);
 174             $mform->setHelpButton('metacourse', array('metacourse', get_string('metacourse')), true);
 175             $mform->setDefault('metacourse', $courseconfig->metacourse);
 176         } else {
 177             // no metacourse element - we do not want to change it anyway!
 178             $mform->addElement('static', 'nometacourse', get_string('managemeta'),
 179                 ((empty($course->metacourse)) ? $meta[0] : $meta[1]) . " - $disable_meta ");
 180             $mform->setHelpButton('nometacourse', array('metacourse', get_string('metacourse')), true);
 181         }
 182
 183 //--------------------------------------------------------------------------------
 184         $mform->addElement('header','enrolhdr', get_string('enrolments'));
 185
 186         $choices = array();
 187         $modules = explode(',', $CFG->enrol_plugins_enabled);
 188         foreach ($modules as $module) {
 189             $name = get_string('enrolname', "enrol_$module");
 190             $plugin = enrolment_factory::factory($module);
 191             if (method_exists($plugin, 'print_entry')) {
 192                 $choices[$name] = $module;
 193             }
 194         }
 195         asort($choices);
 196         $choices = array_flip($choices);
 197         $choices = array_merge(array('' => get_string('sitedefault').' ('.get_string('enrolname', "enrol_$CFG->enrol").')'), $choices);
 198         $mform->addElement('select', 'enrol', get_string('enrolmentplugins'), $choices);
 199         $mform->setHelpButton('enrol', array('courseenrolmentplugins', get_string('enrolmentplugins')), true);
 200
 201
 202         $roles = get_assignable_roles($context);
 203         if (!empty($course)) {
 204             // add current default role, so that it is selectable even when user can not assign it
 205             if ($current_role = get_record('role', 'id', $course->defaultrole)) {
 206                 $roles[$current_role->id] = strip_tags(format_string($current_role->name, true));
 207             }
 208         }
 209         $choices = array();
 210         if ($sitedefaultrole = get_record('role', 'id', $CFG->defaultcourseroleid)) {
 211             $choices[0] = get_string('sitedefault').' ('.$sitedefaultrole->name.')';
 212         } else {
 213             $choices[0] = get_string('sitedefault');
 214         }
 215         $choices = $choices + $roles;
 216
 217         // fix for MDL-9197
 218         foreach ($choices as $choiceid => $choice) {
 219             $choices[$choiceid] = format_string($choice);
 220         }
 221
 222         $mform->addElement('select', 'defaultrole', get_string('defaultrole', 'role'), $choices);
 223         $mform->setDefault('defaultrole', 0);
 224
 225
 226         $radio = array();
 227         $radio[] = &MoodleQuickForm::createElement('radio', 'enrollable', null, get_string('no'), 0);
 228         $radio[] = &MoodleQuickForm::createElement('radio', 'enrollable', null, get_string('yes'), 1);
 229         $radio[] = &MoodleQuickForm::createElement('radio', 'enrollable', null, get_string('enroldate'), 2);
 230         $mform->addGroup($radio, 'enrollable', get_string('enrollable'), ' ', false);
 231         $mform->setHelpButton('enrollable', array('courseenrollable2', get_string('enrollable')), true);
 232         $mform->setDefault('enrollable', 1);
 233
 234         $enroldatestartgrp = array();
 235         $enroldatestartgrp[] = &MoodleQuickForm::createElement('date_selector', 'enrolstartdate');
 236         $enroldatestartgrp[] = &MoodleQuickForm::createElement('checkbox', 'enrolstartdisabled', null, get_string('disable'));
 237         $mform->addGroup($enroldatestartgrp, 'enrolstartdategrp', get_string('enrolstartdate'), ' ', false);
 238         $mform->setDefault('enrolstartdate', 0);
 239         $mform->setDefault('enrolstartdisabled', 1);
 240         $mform->disabledIf('enrolstartdategrp', 'enrolstartdisabled', 'checked');
 241
 242         $enroldateendgrp = array();
 243         $enroldateendgrp[] = &MoodleQuickForm::createElement('date_selector', 'enrolenddate');
 244         $enroldateendgrp[] = &MoodleQuickForm::createElement('checkbox', 'enrolenddisabled', null, get_string('disable'));
 245         $mform->addGroup($enroldateendgrp, 'enroldateendgrp', get_string('enrolenddate'), ' ', false);
 246         $mform->setDefault('enrolenddate', 0);
 247         $mform->setDefault('enrolenddisabled', 1);
 248         $mform->disabledIf('enroldateendgrp', 'enrolenddisabled', 'checked');
 249
 250         $periodmenu=array();
 251         $periodmenu[0] = get_string('unlimited');
 252         for ($i=1; $i<=365; $i++) {
 253             $seconds = $i * 86400;
 254             $periodmenu[$seconds] = get_string('numdays', '', $i);
 255         }
 256         $mform->addElement('select', 'enrolperiod', get_string('enrolperiod'), $periodmenu);
 257         $mform->setDefault('enrolperiod', 0);
 258
 259
 260 //--------------------------------------------------------------------------------
 261         $mform->addElement('header','expirynotifyhdr', get_string('expirynotify'));
 262
 263         $choices = array();
 264         $choices['0'] = get_string('no');
 265         $choices['1'] = get_string('yes');
 266         $mform->addElement('select', 'expirynotify', get_string('notify'), $choices);
 267         $mform->setHelpButton('expirynotify', array('expirynotify', get_string('expirynotify')), true);
 268         $mform->setDefault('expirynotify', 0);
 269
 270         $mform->addElement('select', 'notifystudents', get_string('expirynotifystudents'), $choices);
 271         $mform->setHelpButton('notifystudents', array('expirynotifystudents', get_string('expirynotifystudents')), true);
 272         $mform->setDefault('notifystudents', 0);
 273
 274         $thresholdmenu=array();
 275         for ($i=1; $i<=30; $i++) {
 276             $seconds = $i * 86400;
 277             $thresholdmenu[$seconds] = get_string('numdays', '', $i);
 278         }
 279         $mform->addElement('select', 'expirythreshold', get_string('expirythreshold'), $thresholdmenu);
 280         $mform->setHelpButton('expirythreshold', array('expirythreshold', get_string('expirythreshold')), true);
 281         $mform->setDefault('expirythreshold', 10 * 86400);
 282
 283 //--------------------------------------------------------------------------------
 284         $mform->addElement('header','', get_string('groups', 'group'));
 285
 286         $choices = array();
 287         $choices[NOGROUPS] = get_string('groupsnone', 'group');
 288         $choices[SEPARATEGROUPS] = get_string('groupsseparate', 'group');
 289         $choices[VISIBLEGROUPS] = get_string('groupsvisible', 'group');
 290         $mform->addElement('select', 'groupmode', get_string('groupmode'), $choices);
 291         $mform->setHelpButton('groupmode', array('groupmode', get_string('groupmode')), true);
 292         $mform->setDefault('groupmode', 0);
 293
 294         $choices = array();
 295         $choices['0'] = get_string('no');
 296         $choices['1'] = get_string('yes');
 297         $mform->addElement('select', 'groupmodeforce', get_string('force'), $choices);
 298         $mform->setHelpButton('groupmodeforce', array('groupmodeforce', get_string('groupmodeforce')), true);
 299         $mform->setDefault('groupmodeforce', 0);
 300
 301         if (!empty($CFG->enablegroupings)) {
 302             //default groupings selector
 303             $options = array();
 304             $options[0] = get_string('none');
 305             $mform->addElement('select', 'defaultgroupingid', get_string('defaultgrouping', 'group'), $options);
 306         }
 307
 308 //--------------------------------------------------------------------------------
 309         $mform->addElement('header','', get_string('availability'));
 310
 311         $choices = array();
 312         $choices['0'] = get_string('courseavailablenot');
 313         $choices['1'] = get_string('courseavailable');
 314         $mform->addElement('select', 'visible', get_string('availability'), $choices);
 315         $mform->setHelpButton('visible', array('courseavailability', get_string('availability')), true);
 316         $mform->setDefault('visible', 1);
 317         if ($course and !has_capability('moodle/course:visibility', $coursecontext)) {
 318             $mform->hardFreeze('visible');
 319             $mform->setConstant('visible', $course->visible);
 320         }
 321
 322         $mform->addElement('passwordunmask', 'enrolpassword', get_string('enrolmentkey'), 'size="25"');
 323         $mform->setHelpButton('enrolpassword', array('enrolmentkey', get_string('enrolmentkey')), true);
 324         $mform->setDefault('enrolpassword', '');
 325         $mform->setType('enrolpassword', PARAM_RAW);
 326
 327         if (empty($course) or ($course->password !== '' and $course->id != SITEID)) {
 328             // do not require password in existing courses that do not have password yet - backwards compatibility ;-)
 329             if (!empty($CFG->enrol_manual_requirekey)) {
 330                 $mform->addRule('enrolpassword', get_string('required'), 'required', null, 'client');
 331             }
 332         }
 333
 334         $choices = array();
 335         $choices['0'] = get_string('guestsno');
 336         $choices['1'] = get_string('guestsyes');
 337         $choices['2'] = get_string('guestskey');
 338         $mform->addElement('select', 'guest', get_string('opentoguests'), $choices);
 339         $mform->setHelpButton('guest', array('guestaccess', get_string('opentoguests')), true);
 340         $mform->setDefault('guest', 0);
 341
 342         // If we are creating a course, its enrol method isn't yet chosen, BUT the site has a default enrol method which we can use here
 343         $enrol_object = $CFG;
 344         if (!empty($course)) {
 345             $enrol_object = $course;
 346         }
 347         // If the print_entry method exists and the course enrol method isn't manual (both set or inherited from site), show cost
 348         if (method_exists(enrolment_factory::factory($enrol_object->enrol), 'print_entry') && !($enrol_object->enrol == 'manual' || (empty($enrol_object->enrol) && $CFG->enrol == 'manual'))) {
 349             $costgroup=array();
 350             $currencies = get_list_of_currencies();
 351             $costgroup[]= &MoodleQuickForm::createElement('text','cost', '', 'maxlength="6" size="6"');
 352             $costgroup[]= &MoodleQuickForm::createElement('select', 'currency', '', $currencies);
 353             $mform->addGroup($costgroup, 'costgrp', get_string('cost'), '&nbsp;', false);
 354             //defining a rule for a form element within a group :
 355             $costgrprules=array();
 356             //set the message to null to tell Moodle to use a default message
 357             //available for most rules, fetched from language pack (err_{rulename}).
 358             $costgrprules['cost'][]=array(null, 'numeric', null, 'client');
 359             $mform->addGroupRule('costgrp',$costgrprules);
 360             $mform->setHelpButton('costgrp', array('cost', get_string('cost')), true);
 361             $mform->setDefault('cost', '');
 362             $mform->setDefault('currency', empty($CFG->enrol_currency) ? 'USD' : $CFG->enrol_currency);
 363
 364         }
 365
 366 //--------------------------------------------------------------------------------
 367         $mform->addElement('header','', get_string('language'));
 368
 369         $languages=array();
 370         $languages[''] = get_string('forceno');
 371         $languages += get_list_of_languages();
 372         $mform->addElement('select', 'lang', get_string('forcelanguage'), $languages);
 373
 374 //--------------------------------------------------------------------------------
 375         if (has_capability('moodle/site:config', $systemcontext) && ((!empty($course->requested) && $CFG->restrictmodulesfor == 'requested') || $CFG->restrictmodulesfor == 'all')) {
 376             $mform->addElement('header', '', get_string('restrictmodules'));
 377
 378             $options = array();
 379             $options['0'] = get_string('no');
 380             $options['1'] = get_string('yes');
 381             $mform->addElement('select', 'restrictmodules', get_string('restrictmodules'), $options);
 382             $mods = array(0=>get_string('allownone'));
 383             $mods += get_records_menu('modules', '','','','id, name');
 384
 385
 386             $mform->addElement('select', 'allowedmods', get_string('to'), $mods,
 387                             array('multiple'=>'multiple', 'size'=>'10'));
 388             $mform->disabledIf('allowedmods', 'restrictmodules', 'eq', 0);
 389         } else {
 390             $mform->addElement('hidden', 'restrictmodules', null);
 391             $mform->setType('restrictmodules', PARAM_INT);
 392         }
 393         if ($CFG->restrictmodulesfor == 'all') {
 394             $mform->setDefault('allowedmods', explode(',',$CFG->defaultallowedmodules));
 395             if (!empty($CFG->restrictbydefault)) {
 396                 $mform->setDefault('restrictmodules', 1);
 397             }
 398         }
 399         $mform->setType('restrictmodules', PARAM_INT);
 400
 401 /// customizable role names in this course
 402 //--------------------------------------------------------------------------------
 403         $mform->addElement('header','rolerenaming', get_string('rolerenaming'));
 404         $mform->setHelpButton('rolerenaming', array('rolerenaming', get_string('rolerenaming')), true);
 405
 406         if ($roles = get_records('role')) {
 407             foreach ($roles as $role) {
 408                 $mform->addElement('text', 'role_'.$role->id, $role->name);
 409                 $mform->setType('role_'.$role->id, PARAM_TEXT);
 410                 if ($coursecontext) {
 411                     if ($rolename = get_record('role_names', 'roleid', $role->id, 'contextid', $coursecontext->id)) {
 412                         $mform->setDefault('role_'.$role->id, $rolename->name);
 413                     }
 414                 }
 415             }
 416         }
 417
 418 //--------------------------------------------------------------------------------
 419         $this->add_action_buttons();
 420 //--------------------------------------------------------------------------------
 421         $mform->addElement('hidden', 'id', null);
 422         $mform->setType('id', PARAM_INT);
 423
 424         // fill in default teacher and student names to keep backwards compatibility for a while
 425         $mform->addElement('hidden', 'teacher', get_string('defaultcourseteacher'));
 426         $mform->setType('teacher', PARAM_RAW);
 427         $mform->addElement('hidden', 'teachers', get_string('defaultcourseteachers'));
 428         $mform->setType('teachers', PARAM_RAW);
 429         $mform->addElement('hidden', 'student', get_string('defaultcoursestudent'));
 430         $mform->setType('student', PARAM_RAW);
 431         $mform->addElement('hidden', 'students', get_string('defaultcoursestudents'));
 432         $mform->setType('students', PARAM_RAW);
 433     }
 434
 435     function definition_after_data() {
 436         global $CFG;
 437
 438         $mform =& $this->_form;
 439
 440         // add availabe groupings
 441         if ($courseid = $mform->getElementValue('id') and $mform->elementExists('defaultgroupingid')) {
 442             $options = array();
 443             if ($groupings = get_records('groupings', 'courseid', $courseid)) {
 444                 foreach ($groupings as $grouping) {
 445                     $options[$grouping->id] = format_string($grouping->name);
 446                 }
 447             }
 448             $gr_el =& $mform->getElement('defaultgroupingid');
 449             $gr_el->load($options);
 450         }
 451     }
 452
 453
 454 /// perform some extra moodle validation
 455     function validation($data, $files) {
 456         global $CFG;
 457
 458         $errors = parent::validation($data, $files);
 459         if ($foundcourses = get_records('course', 'shortname', $data['shortname'])) {
 460             if (!empty($data['id'])) {
 461                 unset($foundcourses[$data['id']]);
 462             }
 463             if (!empty($foundcourses)) {
 464                 foreach ($foundcourses as $foundcourse) {
 465                     $foundcoursenames[] = $foundcourse->fullname;
 466                 }
 467                 $foundcoursenamestring = implode(',', $foundcoursenames);
 468                 $errors['shortname']= get_string('shortnametaken', '', $foundcoursenamestring);
 469             }
 470         }
 471
 472         if (empty($data['enrolenddisabled'])){
 473             if ($data['enrolenddate'] <= $data['enrolstartdate']){
 474                 $errors['enroldateendgrp'] = get_string('enrolenddaterror');
 475             }
 476         }
 477
 478         if (!empty($CFG->enrol_manual_usepasswordpolicy) and isset($data['enrolpassword']) and $data['enrolpassword'] != '') {
 479             $course = $this->_customdata['course'];
 480             if ($course->password !== $data['enrolpassword']) {
 481                 // enforce password policy only if changing password - backwards compatibility
 482                 $errmsg = '';
 483                 if (!check_password_policy($data['enrolpassword'], $errmsg)) {
 484                     $errors['enrolpassword'] = $errmsg;
 485                 }
 486             }
 487         }
 488
 489         return $errors;
 490     }
 491 }
 492 ?>