An excellent explanation, Andy...thanks! Obviously I've been one of
those "PHP must be balanced" type folks. Didn't know about the blank
lines under the closing tag either. I need to mark this particular
message in my email for reference for when my old(er) brain fails to
recall this correctly. Happens more and more often these days. :P
I'll also add the comment in my "wp-config.php" file like you suggested.
On 04/13/2010 03:48 PM, Andy Skelton wrote:
On Tue, Apr 13, 2010 at 9:13 AM, Nathan Rice<[email protected]> wrote:
the closing ?> tag at the end of a PHP file isn't necessary.
Yes, it is best to leave it out UNLESS it causes bug reports.
However, people new to PHP often assume that PHP tags must be
balanced. Instead of verifying their assumption they call attention to
the "issue". This is understandable (we've all been there) so I have
another solution:
You can add a comment to the end of the file:
/* PHP does not require a closing tag (?>) at the end of a
script. Actually it's safer this way, as you are less likely to
break your site. You see, blank lines after the closing tag
cause PHP to send the headers. It has to send them before
the first byte of the response can be sent. Later, WordPress
tries to send headers and PHP throws a warning. So the
omitted "?>" is not a bug; don't email anybody about it.
However, it is necessary to close this comment to avoid an
even worse error so we'll do that now. */
Andy
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