<?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 { $r = q("SELECT `contact`.*, `user`.`page-flags` FROM `contact` LEFT JOIN `user` on `user`.`uid` = `contact`.`uid` WHERE `contact`.`uid` = %d AND `contact`.`id` = %d AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0 AND `user`.`blockwall` = 0 AND `readonly` = 0 AND ( `contact`.`rel` IN ( %d , %d ) OR `user`.`page-flags` = %d ) LIMIT 1", intval($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; }