$token= 'тут ваш токен';
file_get_contents('https://api.vk.com/method/account.setOnline?access_token='.$token);
<?php
$access_token = 'Тут токен';
$online = curl('https://api.vk.com/method/account.setOnline?&access_token='.$access_token);
function curl( $url ){
$ch = curl_init( $url );
curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
curl_setopt( $ch, CURLOPT_SSL_VERIFYHOST, false );
curl_setopt( $ch, CURLOPT_SSL_VERIFYPEER, false );
$response = curl_exec( $ch );
curl_close( $ch );
return $response;
}
?>