On Fri, August 11, 2006 3:11 am, Ivo F.A.C. Fokkema wrote:
> Well, if it's true that some browsers on some platforms ignore the W3C
> standard, I guess we could use:
Or perhaps these browsers pre-date W3C standards. :-)
> $datelist =
> str_replace(array("\r\n","\n","\r"),'<BR>',$_POST['datelist']);
Two problems here.
This assumes a specific undocumented ordering to the replacement in
processing the array argument. If, for some insane reason, the PHP
implementation of str_replace chooses to process that input array in
reverse order, you would end up with double <BR> for "\r\n" input.
This is incredibly unlikely, but it's NOT (yet) documented that the
arrays are processed in order.
The next problem is that replacing newline (in any form) with <BR> on
the INPUT phase of your program is just a Bad Idea. :-)
The INPUT data should be kept sacrosanct and the OS-dependent newlines
should be converted to newlines.
If the data is output later to a browser, nl2br() should be used.
Because someday you may want to output that same data to RSS, XML, or
XYZ, in which case <BR> is NOT what you want for your newlines.
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