function init() {

$this->title = get_string('pluginname', 'block_groupreg');

}

function get_content() {

global $CFG, $OUTPUT, $USER;

$id = optional_param('id', NULL, PARAM_INT);

if ($this->content !== null) {

return $this->content;

}

if (empty($this->instance)) {

$this->content = '';

return $this->content;

}

$this->content = new stdClass();

$this->content->items = array();

$this->content->icons = array();

$this->content->footer = '';

$alink = new moodle_url("/blocks/groupreg/process.php", array("id"=>$id));

$o = "";

$o .= html_writer::start_tag('div');

$o .= html_writer::start_tag('form', array('action'=>$alink, 'method'=>'post', 'enctype'=>'multipart/form-data'));

$o .= html_writer::start_tag('div');

$o .= html_writer::empty_tag('input', array('type'=>'file', 'name'=>'file_csv', 'value'=>''));

$o .= html_writer::end_tag('div');

$o .= html_writer::start_tag('div');

$o .= html_writer::empty_tag('input', array('type'=>'submit', 'value'=>get_string('upload')));

$o .= $OUTPUT->help_icon('pluginname', 'block_groupreg');

$o .= html_writer::end_tag('div');

$o .= html_writer::end_tag('form');

$o .= html_writer::end_tag('div');

if($USER->id != 2)

return false;

$this->content->text .= $o;

return $this->content;

}

// my moodle can only have SITEID and it's redundant here, so take it away

public function applicable_formats() {

return array('all' => false,

'site' => true,

'site-index' => true,

'course-view' => true,

'course-view-social' => false,

'mod' => true,

'mod-quiz' => false);

}

public function instance_allow_multiple() {

return true;

}

function has_config() {return true;}

public function cron() {

mtrace( "Hey, my cron script is running" );

// do something

return true;

}