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 Posted by Michael on 05/28/07 19:01 
On May 28, 11:46 am, Jerry Stuckle <jstuck...@attglobal.net> wrote: 
> Michael wrote: 
> > On May 28, 10:05 am, "Jon Slaughter" <Jon_Slaugh...@Hotmail.com> 
> > wrote: 
> >> "Michael" <MichaelDMcDonn...@yahoo.com> wrote in message 
> 
> >>news:1180370371.580860.72150@x35g2000prf.googlegroups.com... 
> 
> >>> On May 28, 9:24 am, Darko <darko.maksimo...@gmail.com> wrote: 
> >>>> On May 28, 6:09 pm, "Jon Slaughter" <Jon_Slaugh...@Hotmail.com> wrote:> 
> >>>> "Michael" <MichaelDMcDonn...@yahoo.com> wrote in message 
> >>>>>news:1180368213.786423.310320@z28g2000prd.googlegroups.com... 
> >>>>>> Since the include function is called from within a PHP script, why 
> >>>>>> does the included file have to identify itself as a PHP again by 
> >>>>>> enclosing its code in <?php> ... <?> 
> >>>>>> One would assume that the PHP interpreter works like any other, that 
> >>>>>> is, it first expands all the include files, and then parses the 
> >>>>>> resulting text. Can anyone help with an explanation? 
> >>>> It's not supposed to be bracketed by <?php> and <?>, but by <?php 
> >>>> and ? 
> >>>>> . That's not necessary, though. You have to put those symbols into 
> >>>> your require-d file if you want it to be understood like php code, but 
> >>>> if you don't, it will be understood as raw output. Just like any other 
> >>>> php file: 
> >>>> <?php 
> >>>>     if ( $x ) { 
> >>>> ?> 
> >>>> some output here 
> >>>> some output here 
> >>>> some output here 
> >>>> <?php 
> >>>>     } else { 
> >>>> ?> 
> >>>> some other output here 
> >>>> some other output here 
> >>>> some other output here 
> >>>> <?php 
> >>>>     } 
> >>>> ?> 
> >>>> As for the require-d file, the same counts - if you didn't put <?php 
> >>>> and ?> surrounding the contents of the file, they would be understood 
> >>>> as ordinary output, not php code (which, of course, can be exactly 
> >>>> what we wanted). 
> >>>>> Because a php can contain other text such as html... the parser is only 
> >>>>> signaled to work on the block that is inside a the php tag... 
> >>>>> you ever wonder why <? php ?> looks like an html tag?  cause it is! 
> >>>> I wouldn't go that far to say <?php and ?> are html tags, although 
> >>>> they do resemble them having lt and gt chars. Actually, the <? and ?> 
> >>>> are part of xml processing instruction declaration syntax, so when we 
> >>>> say "<?php" we say "give the following contents to php", and when we 
> >>>> say "?>", we actually say "those contents end here". So, php code is 
> >>>> actually organized as xml document, and html out of <?php ?> 
> >>>> instructions perfectly fits in that concept, being itself a subset of 
> >>>> xml, although older than xml. 
> >>> ===================== 
> >>> I guess I'm still missing the point. Once the browser interpreter sees 
> >>> the <?php, it assumes that all text to follow is php code until the 
> >>> terminating token ?> is seen. Now if the include function is called 
> >>> within the <?php ... ?>, the interpreter still assumes that any text 
> >>> it sees is PHP. So again, I don't understand why the include text 
> >>> needs to bracket its code in <?php ...?>. What am I missing here? 
> >>> Thanks, MDM. 
> >> Thats your problem... php has nothing to do with the browser. Its a server 
> >> side scripting language and independent of the client.- Hide quoted text - 
> 
> >> - Show quoted text - 
> > ============================= 
> > Yes, the text "browser interpreter" should replaced by "interpreter". 
> > In any case, it would seem that the question is still valid. Any 
> > comments would be appreciated. 
> > MDM 
> 
> Michel, 
> 
> Because the included file may not necessarily contain PHP code.  It can 
> contain html, for instance, with php code intermixed - just like any php 
> file.  Or it may contain no php code at all. 
> 
> -- 
> ================== 
> Remove the "x" from my email address 
> Jerry Stuckle 
> JDS Computer Training Corp. 
> jstuck...@attglobal.net 
> ==================- Hide quoted text - 
> 
> - Show quoted text - 
 
====================== 
Thank you all for your very helpful answers to my question.
 
  
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