It's more work definitely but it generally makes the code more readable (for instance, if I've no idea what 'page' means, I at least know the variable $page is going to be used for some numerical value).
If you have no idea what $page
means, then, IMO, the name is not descriptive enough. If you use $page_nr
, that would make it clear that it's used for a numerical value. $page
could just as well contain a string with a PostScript rendition of a page.
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