Image not displayed

The first thing to check with a ‘headers already sent by…’ error is that you have no white space at the very start or the end of your php file. Check your images-options.php file and remove any errant space at the very start or the end of your code.

Admin filter/error if post title is too long

The key thing I think you’re missing is understanding that WordPress doesn’t use a linear path for saving posts. Because posts are autosaved you’ll want to handle this in a way that defines it according to it’s publish status rather than it’s save state. Basically, instead of trying to truncate or adjust the title, do … Read more