On Sun, 2010-06-27 at 12:23 -0400, Alice Wei wrote:
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> Subject: RE: Modifying Existing Text File From PHP Is Not Working
> From: ash@xxxxxxxxxxxxxxxxxxxx
> To: ajwei@xxxxxxxxxxxxx
> CC: tedd.sperling@xxxxxxxxx; php-general@xxxxxxxxxxxxx
> Date: Sun, 27 Jun 2010 17:16:04 +0100
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> On Sun, 2010-06-27 at 12:11 -0400, Alice Wei wrote:
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> > Date: Sun, 27 Jun 2010 12:01:50 -0400
> > To: ajwei@xxxxxxxxxxxxx; php-general@xxxxxxxxxxxxx
> > From: tedd.sperling@xxxxxxxxx
> > Subject: Re: Modifying Existing Text File From PHP Is Not Working
> >
> > At 7:20 AM -0400 6/27/10, Alice Wei wrote:
> > >Hi,
> > >
> > >I have the code as in the following:
> > >
> > ><?php
> > >
> > >$name= "Test";
> > >$phone= "123-456-7890";
> > >$email = "myemail@xxxxxxxxxx";
> > >$comments = "Test Only";
> > >
> > >$string = "<message>\n<name>" . $name . "</name>\n<phone>" . $phone
> > >. "</phone>\n<email>".
> > > $email . "</email>\n<comments>" . $comments .
> > >"</comments>\n</message>";
> > >
> > >//If file exists. append, otherwise create
> > >$file = "messages.xml";
> > >$fh = fopen($file,"a");
> > >$lines = file($file);
> > >
> > >//Output a line of the file until the end is reached
> > >foreach($lines as $line) {
> > >
> > > if (trim($line) == "<messages>") {
> > >
> > > $line = "<messages>" . $string; // If string, change it.
> > > echo $line . "<br>";
> > > fwrite($fh, $line);
> > >
> > > }
> > > else {
> > >
> > > // If not don't write anything
> > > echo $line . "<br>";
> > >
> > > }
> > > fclose($file); // Close the file.
> > > }
> > >?>
> > >
> > >For some reason, it is writing out the lines, but it is not
> > >f-writing to the file. Here is the file that is meant to be edited:
> > >
> > ><messages>
> > ><message>
> > ><name>Me</name>
> > ><phone>123-456-7890</phone>
> > ><email>test@xxxxxxxx</email>
> > ><comments>This is my message board!</comments>
> > ></message>
> > ></messages>
> > >
> > >Have I missed something here? How come the file cannot perform fwrite actions?
> > >
> > >Thanks for your help.
> >
> > Do you have permission to write to the file?
> >
> > Check the permissions of the file.
> >
> > Cheers,
> >
> > tedd
> >
>
> I believe I do, since I set my folder permission of this script with modify, read, execute and delete. I don't see any errors regarding this either. I have changed my code to having the curly brace before I close the file handler, if that helps any. Yet, it is still not modifying the file. Have I missed something else here?
>
> Thanks for your help.
>
> Alice
> > --
> > -------
> > http://sperling.com http://ancientstones.com http://earthstones.com
>
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> It might be some weird Windows thing. I know that some of the more recent versions of Windows, in an attempt to be more secure, make you jump through hoops to write to a file, even when the permissions are set correctly. Unfortunately, I don't have access to a system with IIS so there's no way I can test your code on that.
>
>
> Well, my problem is not entirely solved, but I found that when I changed the file name extension from xml to txt, it is now letting me edit the file now. Only, the file is not writing in the way it is supposed to be. I used a+ originally, and it is writing outside my <messages></messages> root element.
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> I tried w, and it wipes the file out. So, this proves that it is now modifying and saving it correctly. My question is, what kind of parameter should I use to add the things I would like to add after the <messages> without editing anything else in the file.
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> Thanks for your help.
>
> Alice
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> Thanks,
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> Ash
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> http://www.ashleysheridan.co.uk
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There isn't any switch that suddenly recognises that you want to add
nodes inside of an XML document, you have to write the code for that
yourself.
There are two main ways to go about this:
1. Read in the entire file with file(), create a new array with
your new content to insert, and splice() it back into the main
array you read in at the start, then write the whole of that to
the original file, overwriting anything in it.
2. Use XML functions to read in the contents of the file, add in
the new nodes as you need, and overwrite the whole file again
with the new DOM output
Either way, you're going to have to overwrite the existing file each
time.
Thanks,
Ash
http://www.ashleysheridan.co.uk
