On Thu, Mar 15, 2012 at 7:51 PM, Larry <lrr...@gmail.com> wrote:
> On Thu, Mar 15, 2012 at 12:21 PM, Matijn Woudt <tijn...@gmail.com> wrote:
>> On Thu, Mar 15, 2012 at 4:59 PM, Larry <lrr...@gmail.com> wrote:
>>> On Thu, Mar 15, 2012 at 11:53 AM, Daniel P. Brown
>>> <daniel.br...@parasane.net> wrote:
>>>> On Thu, Mar 15, 2012 at 11:30, Larry <lrr...@gmail.com> wrote:
>>>>> Hello, when I pass a variable whose value originally came from $_GET
>>>>> or $_REQUEST to fwrite, fwrite behaves as if it was passed an empty
>>>>> string. Note that the file is successfully opened and written to by
>>>>> the script, but the variable that originally came from $_GET does not
>>>>> have its value interpolated in the text file, even though it does get
>>>>> interpolated in the echo().
>>>>>
>>>>> ---- Code ----
>>>>> <?
>>>>> $meh = $_GET["q"];
>>>>> $writeline = ":" . $meh . ":" . strlen($meh) . PHP_EOL;
>>>>> echo ( $writeline );
>>>>>
>>>>> $fp = fopen("/tmp/wtf.log","w+");
>>>>> fwrite($fp, $writeline );
>>>>> fclose($fp);
>>>>>
>>>>> var_dump($writeline);
>>>>> ?>
>>>>
>>>> Are you sure it's not a permissions-based issue, perhaps when
>>>> writing as the normal user, then the user as which the web server
>>>> runs, et cetera? What happens if you completely remove /tmp/wtf.log
>>>> and re-run your script with the appended query string?
>>>
>>> I have removed the wtf.log file between runs, just did it once more.
>>> Same thing happens. A new file is created, and the contents are "::0"
>>>
>>> So I'm sure its not a permissions issue ( However I'm also sure that
>>> this shouldn't be happening so... ) Thanks.
>>
>> The code is working fine here, of course, it should. Is it really
>> because of the $_GET?, have you tried setting $q = "meh123";?
>> Also, try using file_put_contents('/tmp/wtf.log', $writeline); instead.
>>
>> - Matijn
>
> Yes I have tried to set a variable explicitly with a string, and that
> variable does end up interpolated into the file. I just tried using
> file_put_contents with the same result.
>
> Here is a modified version, showing another variable that does work,
> and file_put_contents():
>
> <?
> $meh = $_GET["q"];
> $good = "Yay I go in the File" . PHP_EOL;
> $writeline = ":" . $meh . ":" . strlen($meh) . ":" . $good;
> echo ( $writeline );
> file_put_contents("/tmp/wtf.log", $writeline );
> var_dump($writeline);
> ?>
>
> Here the response/stdout:
> :meh123:6:Yay I go in the File string(31) ":meh123:6:Yay I go in the File "
>
> But the file is the same:
> root@prime:/tmp# rm wtf.log
> root@prime:/tmp# ls wtf.log
> ls: cannot access wtf.log: No such file or directory
> [ I make the request ]
> root@prime:/tmp# cat wtf.log
> ::0:Yay I go in the File
Have you checked apache log files for any warnings/errors?
How about writing $_GET['q'] directly? eg.
file_put_contents('/tmp/wtf.log', $_GET['q']);?
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