--TEST-- SplFileObject::fread function --FILE-- <?php $obj = new SplFileObject(__FILE__, 'r'); $data = $obj->fread(5); var_dump($data); $data = $obj->fread(); var_dump($data); $data = $obj->fread(0); var_dump($data); // read more data than is available $data = $obj->fread(filesize(__FILE__) + 32); var_dump(strlen($data) === filesize(__FILE__) - 5); ?> --EXPECTF-- string(5) "<?php" Warning: SplFileObject::fread() expects exactly 1 parameter, 0 given in %s on line %d NULL Warning: SplFileObject::fread(): Length parameter must be greater than 0 in %s on line %d bool(false) bool(true)