本文整理匯總了PHP中item::clear_display_context_callback方法的典型用法代碼示例。如果您正苦於以下問題：PHP item::clear_display_context_callback方法的具體用法？PHP item::clear_display_context_callback怎麽用？PHP item::clear_display_context_callback使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類item的用法示例。
在下文中一共展示了item::clear_display_context_callback方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的PHP代碼示例。
示例1: get_position_within_album
static function get_position_within_album($item, $q, $album)
{
$page_size = module::get_var("gallery", "page_size", 9);
$query = self::_build_query_base($q, $album, array("{items}.id = " . $item->id)) . " ORDER BY `score` DESC";
$db = Database::instance();
// Truncate the score by two decimal places as this resolves the issues
// that arise due to inexact numeric conversions.
$current = $db->query($query)->current();
if (!$current) {
// We can't find this result in our result set - perhaps we've fallen out of context? Clear
// the context and try again.
item::clear_display_context_callback();
url::redirect(url::current());
}
$score = $current->score;
if (strlen($score) > 7) {
$score = substr($score, 0, strlen($score) - 2);
}
// Redo the query but only look for results greater than or equal to our current location
// then seek backwards until we find our item.
$data = $db->query(self::_build_query_base($q, $album) . " HAVING `score` >= " . $score . " ORDER BY `score` DESC");
$data->seek($data->count() - 1);
while ($data->get("id") != $item->id && $data->prev()->valid()) {
}
return $data->key() + 1;
}