array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'en', ), 'this' => array ( 0 => 'cachingiterator.valid.php', 1 => 'CachingIterator::valid', ), 'up' => array ( 0 => 'class.cachingiterator.php', 1 => 'CachingIterator', ), 'prev' => array ( 0 => 'cachingiterator.tostring.php', 1 => 'CachingIterator::__toString', ), 'next' => array ( 0 => 'class.callbackfilteriterator.php', 1 => 'CallbackFilterIterator', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'en', 'path' => 'reference/spl/cachingiterator/valid.xml', ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); ?>
(PHP 5, PHP 7, PHP 8)
CachingIterator::valid — Check whether the current element is valid
This function is currently not documented; only its argument list is available.
Check whether the current element is valid.
This function has no parameters.