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<?php
function can_write_wall(&$a,$owner) {
static $verified = 0;
if((! (local_user())) && (! (remote_user())))
return false;
$uid = local_user();
if(($uid) && ($uid == $owner)) {
return true;
}
if(remote_user()) {
// user remembered decision and avoid a DB lookup for each and every display item
// DO NOT use this function if there are going to be multiple owners
if($verified === 2)
return true;
elseif($verified === 1)
return false;
else {
$r = q("SELECT `contact`.*, `user`.`page-flags` FROM `contact` LEFT JOIN `user` on `user`.`uid` = `contact`.`uid`
WHERE `contact`.`uid` = %d AND `contact`.`id` = %d AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0
AND `readonly` = 0 AND ( `contact`.`rel` IN ( %d , %d ) OR `user`.`page-flags` = %d ) LIMIT 1",
intval($owner),
intval(remote_user()),
intval(REL_VIP),
intval(REL_BUD),
intval(PAGE_COMMUNITY)
);
if(count($r)) {
$verified = 2;
return true;
}
else {
$verified = 1;
}
}
}
return false;
}
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