Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
function can_write_wall(&$a,$owner) {
if((! (local_user())) && (! (remote_user())))
return false;
if((local_user()) && ($_SESSION['uid'] == $owner))
return true;
$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `id` = %d AND `blocked` = 0 AND `pending` = 0 LIMIT 1",
intval($owner),
intval($_SESSION['visitor_id'])
);
if(count($r))
return true;
return false;
}