Online PHP editor | refs for s4ZKA

<?php $file = new SplTempFileObject(); for ($i = 0; $i < 100; $i++) { $file->fwrite("Foo $i\n"); } $file->seek(50); echo json_encode(array( array('triggerNext' => $file->next(), 'line' => $file->key(), 'contents' => trim($file->current())), array('triggerNext' => $file->next(), 'line' => $file->key(), 'contents' => trim($file->current())), array('triggerNext' => $file->next(), 'line' => $file->key(), 'contents' => trim($file->current())), ), JSON_PRETTY_PRINT);