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Re: fopen Problem [message #175283 is a reply to message #175278]

Wed, 31 August 2011 12:59

sheldonlg
Messages: 166
Registered: September 2010

Karma:

Senior Member

On 8/31/2011 7:22 AM, Jerry Stuckle wrote:
> On 8/31/2011 6:49 AM, A wrote:
>>> $_SERVER['DOCUMENT_ROOT'] . '/logbooks/CAA001/blahblah.txt'.
>>>
>>> dirname(__FILE__) is a very bad way to to it - it is dependent on the
>>> location of the script opening the file and will break if you move the
>>> script to a different directory.
>>
>> if I understood the question correctly the file is *NOT* on his own
>> server
>> because he allow_url_fopen configuration setting.
>> dirname(__FILE__) is very useful. I tend to keep all my scripts in a
>> relative file/folder structure so I WANT to move them and keep the paths
>> properly in place.
>>
>>
>
> Whether it is his own server or not is immaterial as it has no effect on
> my statement.
>
> And obviously you have not tried $_SERVER['DOCUMENT_ROOT'] = which also
> allows you to keep your scripts in a file/folder structure. The
> difference being dirname(__FILE__) changes depending on the calling
> script's location = move the calling script and your code breaks.
>
> For this reason it's a bad idea to use it to access other files unless
> that file is *totally dependent* on the calling script and will *always*
> be in the same relative location to the calling script. But such
> assumptions also make the files more tightly coupled, creating
> unnecessary dependencies.
>
> $_SERVER['DOCUMENT_ROOT'] always points at the root directory of the
> website and is independent of the calling script's location.
>

If you, like most people, move a file it is not only that single file.
It is a whole directory tree. Using $_SERVER['DOCUMENT_ROOT'] would
then break the code whereas dirname(__FILE__) would not. I don't know
about you, but I don't just wake up one morning and say "gee, I think
I'll move that file". If I move anything, it is an entire directory
tree. If I have to move just a single file, I do a grep for that
filename and I also look inside that file for dependencies. How about you?

--
Shelly

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[Message index]

		fopen Problem By: Call Me Tom on Mon, 29 August 2011 00:21
		Re: fopen Problem By: Jerry Stuckle on Mon, 29 August 2011 00:43
		Re: fopen Problem By: Richard Damon on Mon, 29 August 2011 00:44
		Re: fopen Problem By: Call Me Tom on Mon, 29 August 2011 03:04
		Re: fopen Problem By: Jerry Stuckle on Mon, 29 August 2011 03:09
		Re: fopen Problem By: Call Me Tom on Mon, 29 August 2011 04:19
		Re: fopen Problem By: Jerry Stuckle on Mon, 29 August 2011 11:36
		Re: fopen Problem By: Call Me Tom on Mon, 29 August 2011 23:15
		Re: fopen Problem By: alvaro.NOSPAMTHANX on Mon, 29 August 2011 11:37
		Re: fopen Problem By: sheldonlg on Tue, 30 August 2011 23:30
		Re: fopen Problem By: Jerry Stuckle on Wed, 31 August 2011 00:04
		Re: fopen Problem By: A on Wed, 31 August 2011 10:49
		Re: fopen Problem By: Jerry Stuckle on Wed, 31 August 2011 11:22
		Re: fopen Problem By: sheldonlg on Wed, 31 August 2011 12:59
		Re: fopen Problem By: Jerry Stuckle on Wed, 31 August 2011 17:39
		Re: fopen Problem By: A on Mon, 29 August 2011 20:45

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