--TEST-- SplFileObject::fwrite function - writing with two parameters length < input string length --FILE-- <?php $file = dirname(__FILE__).'/SplFileObject_fwrite_variation_001.txt'; if(file_exists($file)) { unlink($file); } $obj = New SplFileObject($file,'w'); $obj->fwrite('test_write',4); var_dump(file_get_contents($file)); ?> --CLEAN-- <?php $file = dirname(__FILE__).'/SplFileObject_fwrite_variation_001.txt'; if(file_exists($file)) { unlink($file); } ?> --EXPECT-- string(4) "test"