ArrayIterator::valid Check whether array contains more entries &reftitle.description; boolArrayIterator::valid Checks if the array contains any more entries. &reftitle.parameters; &no.function.parameters; &reftitle.returnvalues; &return.void; &reftitle.examples; 'one'); $arrayobject = new ArrayObject($array); $iterator = $arrayobject->getIterator(); var_dump($iterator->valid()); //bool(true) $iterator->next(); // advance to the next item //bool(false) because there is only one array element var_dump($iterator->valid()); ?> ]]>