How to find out if a method is deprecated?
For example, I would like to find out if the function
mime_content_type is deprecated.
In the English manual, it seems not marked as deprecated. This is also true for all other languages, except in German, Chinese and Spanish - there it is marked as deprecated.
How can I find out which manual is correct? Can I find maybe a history of the manual? So that I can see if it was once marked as deprecated and then the note was removed again?
To answer the immediate question - yes, the manual once had it marked deprecated and that was removed. The problem was reported in bug #71367 and fixed in January this year, though apparently not in all translations.
Note that this was a "soft" deprecation, meaning that an E_DEPRECATED runtime notice was not raised when the function was used - it was only mentioned in the manual.
To get a manual entry's history:
On each page underneath the "Change language" dropdown selector there is an "Edit" link:
Follow it to open PHP's online docbook editor, where you'll be greeted with a login prompt. Click Anonymous login and it'll load up the editor for that page.
On the bar separating the panels click the ≫ expander:
And in the panel that opens hit the reload button in the "Log" tab:
which'll let you read the changelog and perform diffs between revisions:
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