function node_last_viewed

Retrieves the timestamp for the current user's last view of a specified node.

Parameters

$nid: A node ID.

Return value

If a node has been previously viewed by the user, the timestamp in seconds of when the last view occurred; otherwise, zero.

2 calls to node_last_viewed()
comment_num_new in modules/comment/comment.module
Get number of new comments for current user and specified node.
node_mark in modules/node/node.module
Determines the type of marker to be displayed for a given node.

File

modules/node/node.module, line 328

Code

function node_last_viewed($nid) {
    global $user;
    $history =& drupal_static(__FUNCTION__, array());
    if (!isset($history[$nid])) {
        $history[$nid] = db_query("SELECT timestamp FROM {history} WHERE uid = :uid AND nid = :nid", array(
            ':uid' => $user->uid,
            ':nid' => $nid,
        ))
            ->fetchObject();
    }
    return isset($history[$nid]->timestamp) ? $history[$nid]->timestamp : 0;
}

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