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<?PHP // $Id: lib.php,v 1.5 2004/04/26 15:31:22 moodler Exp $
/// Library of functions and constants for module label
define("LABEL_MAX_NAME_LENGTH", 50);
function label_add_instance($label) {
/// Given an object containing all the necessary data,
/// (defined by the form in mod.html) this function
/// will create a new instance and return the id number
/// of the new instance.
$label->name = strip_tags($label->content);
if (strlen($label->name) > LABEL_MAX_NAME_LENGTH) {
$label->name = substr($label->name, 0, LABEL_MAX_NAME_LENGTH)."...";
}
$label->timemodified = time();
return insert_record("label", $label);
}
function label_update_instance($label) {
/// Given an object containing all the necessary data,
/// (defined by the form in mod.html) this function
/// will update an existing instance with new data.
$label->name = strip_tags($label->content);
if (strlen($label->name) > LABEL_MAX_NAME_LENGTH) {
$label->name = substr($label->name, 0, LABEL_MAX_NAME_LENGTH)."...";
}
$label->timemodified = time();
$label->id = $label->instance;
return update_record("label", $label);
}
function label_delete_instance($id) {
/// Given an ID of an instance of this module,
/// this function will permanently delete the instance
/// and any data that depends on it.
if (! $label = get_record("label", "id", "$id")) {
return false;
}
$result = true;
if (! delete_records("label", "id", "$label->id")) {
$result = false;
}
return $result;
}
function label_get_participants($labelid) {
//Returns the users with data in one resource
//(NONE, but must exist on EVERY mod !!)
return false;
}
function label_get_coursemodule_info($coursemodule) {
/// Given a course_module object, this function returns any
/// "extra" information that may be needed when printing
/// this activity in a course listing.
///
/// See get_array_of_activities() in course/lib.php
$info = NULL;
if ($label = get_record("label", "id", $coursemodule->instance)) {
$info->extra = urlencode($label->content);
}
return $info;
}
?>
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