Bad submission title (I know it's same as the title of the page, but they're both bad). Outputting log statements is not debugging. Well, perhaps for PHP pro

Bad submission title (I know it's same as the title of the page, but they're both bad). Outputting log statements is not debugging. Well, perhaps for PHP programmers it is due to the pathetic state of debuggers for PHP, but for anyone using a decent language it isn't.