array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'ru', ), 'this' => array ( 0 => 'ds-map.count.php', 1 => 'Ds\\Map::count', ), 'up' => array ( 0 => 'class.ds-map.php', 1 => 'Ds\\Map', ), 'prev' => array ( 0 => 'ds-map.copy.php', 1 => 'Ds\\Map::copy', ), 'next' => array ( 0 => 'ds-map.diff.php', 1 => 'Ds\\Map::diff', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'ru', 'path' => 'reference/ds/ds/map/count.xml', ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); ?>
(PECL ds >= 1.0.0)
Ds\Map::count — Возвращает количество элементов коллекции
Смотрите описание функции Countable::count()