Online PHP editor | refs for h5T4g

<?php $content = <<<'EOF' Line 1 Line 2 Line 3 EOF; $tmpCsvFile = new SplTempFileObject(); $tmpCsvFile->fwrite($content); $iterator = new CallbackFilterIterator($tmpCsvFile, function ($row) { return true; }); echo 'l1: ', iterator_count(new LimitIterator($iterator, 1)), ' ', iterator_count(new LimitIterator($tmpCsvFile, 1)), "\n"; echo 'l2: ', iterator_count(new LimitIterator($iterator, 2)), ' ', iterator_count(new LimitIterator($tmpCsvFile, 2)), "\n";