/**
* Set all of the the link-level settings.
*
* @param $keyvals An array of key/value pairs that is serialized
* in JSON and stored. If this is an empty array, this effectively
* empties out all the settings.
*/
public static function linkSetAll($keyvals)
{
global $CFG, $PDOX, $LINK;
global $settingsDebugArray;
$settingsDebugArray = array();
$json = json_encode($keyvals);
$q = $PDOX->queryDie("UPDATE {$CFG->dbprefix}lti_link \n SET settings = :SET WHERE link_id = :LID", array(":SET" => $json, ":LID" => $LINK->id));
$settingsDebugArray[] = array(count($keyvals) . " settings updated link_id=" . $LINK->id);
if (isset($_SESSION['lti'])) {
$_SESSION['lti']['link_settings'] = $json;
unset($_SESSION['lti']['link_settings_merge']);
}
$settings_url = LTIX::sessionGet('link_settings_url', false);
if ($settings_url === false) {
return;
}
$settingsDebugArray[] = array("Sending settings to " . $settings_url);
$retval = LTIX::settingsSend($keyvals, $settings_url, $settingsDebugArray);
}
