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Next: some thoughts on OOW 2007
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External
Since: Nov 24, 2006
Posts: 17
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(Msg. 1) Posted: Sun Nov 18, 2007 10:13 am
Post subject: accessing array data inside of an array
Archived from groups: comp>lang>php (more info?)
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I want to extract the name of the photo uploaded.
print_r of $_FILES yields:
Files: Array ( [picture] => Array ( [name] =>
DSC_1802-saoirse-riona.jpg [type] => image/jpeg [tmp_name] =>
/tmp/phpJTspHZ [error] => 0 [size] => 76096 ) )
so we have an array with one element, picture, that contains an
array with an index, name, with a value of DSC_1802-saoirse-riona.jpg
I get the correct value when I:
$pic_name = $_FILES['picture']['name'];
echo $pic_name
however when I use:
echo "<br />pic_name = $_FILES[picture][name]";
I get:
pic_name = Array[name]
Why does the echo with the array reference not work while the
assignment does ?
bill |
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External
Since: Apr 17, 2007
Posts: 44
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(Msg. 2) Posted: Sun Nov 18, 2007 10:14 am
Post subject: Re: accessing array data inside of an array [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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On Nov 18, 10:13 am, bill wrote:
> I want to extract the name of the photo uploaded.
>
> print_r of $_FILES yields:
> Files: Array ( [picture] => Array ( [name] =>
> DSC_1802-saoirse-riona.jpg [type] => image/jpeg [tmp_name] =>
> /tmp/phpJTspHZ [error] => 0 [size] => 76096 ) )
>
> so we have an array with one element, picture, that contains an
> array with an index, name, with a value of DSC_1802-saoirse-riona.jpg
>
> I get the correct value when I:
> $pic_name = $_FILES['picture']['name'];
> echo $pic_name
>
> however when I use:
>
> echo "<br />pic_name = $_FILES[picture][name]";
>
> I get:
> pic_name = Array[name]
>
> Why does the echo with the array reference not work while the
> assignment does ?
>
> bill
Put quotes around your array keys:
$_FILES['picture']['name'] |
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External
Since: Nov 24, 2006
Posts: 17
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(Msg. 3) Posted: Sun Nov 18, 2007 10:47 am
Post subject: Re: accessing array data inside of an array [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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ZeldorBlat wrote:
> On Nov 18, 10:13 am, bill wrote:
>> I want to extract the name of the photo uploaded.
>>
>> print_r of $_FILES yields:
>> Files: Array ( [picture] => Array ( [name] =>
>> DSC_1802-saoirse-riona.jpg [type] => image/jpeg [tmp_name] =>
>> /tmp/phpJTspHZ [error] => 0 [size] => 76096 ) )
>>
>> so we have an array with one element, picture, that contains an
>> array with an index, name, with a value of DSC_1802-saoirse-riona.jpg
>>
>> I get the correct value when I:
>> $pic_name = $_FILES['picture']['name'];
>> echo $pic_name
>>
>> however when I use:
>>
>> echo "<br />pic_name = $_FILES[picture][name]";
>>
>> I get:
>> pic_name = Array[name]
>>
>> Why does the echo with the array reference not work while the
>> assignment does ?
>>
>> bill
>
> Put quotes around your array keys:
>
> $_FILES['picture']['name']
That, unfortunately, generates the dreaded:
Parse error: syntax error, unexpected T_ENCAPSED_AND_WHITESPACE,
expecting T_STRING or T_VARIABLE or T_NUM_STRING in...
bill >> Stay informed about: accessing array data inside of an array |
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External
Since: Sep 02, 2007
Posts: 210
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(Msg. 4) Posted: Sun Nov 18, 2007 4:00 pm
Post subject: Re: accessing array data inside of an array [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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On Sun, 18 Nov 2007 16:47:17 +0100, bill wrote:
> ZeldorBlat wrote:
>> On Nov 18, 10:13 am, bill wrote:
>>> I want to extract the name of the photo uploaded.
>>>
>>> print_r of $_FILES yields:
>>> Files: Array ( [picture] => Array ( [name] =>
>>> DSC_1802-saoirse-riona.jpg [type] => image/jpeg [tmp_name] =>
>>> /tmp/phpJTspHZ [error] => 0 [size] => 76096 ) )
>>>
>>> so we have an array with one element, picture, that contains an
>>> array with an index, name, with a value of DSC_1802-saoirse-riona.jpg
>>>
>>> I get the correct value when I:
>>> $pic_name = $_FILES['picture']['name'];
>>> echo $pic_name
>>>
>>> however when I use:
>>>
>>> echo "<br />pic_name = $_FILES[picture][name]";
>>>
>>> I get:
>>> pic_name = Array[name]
>>>
>>> Why does the echo with the array reference not work while the
>>> assignment does ?
>>>
>>> bill
>> Put quotes around your array keys:
>> $_FILES['picture']['name']
>
> That, unfortunately, generates the dreaded:
> Parse error: syntax error, unexpected T_ENCAPSED_AND_WHITESPACE,
> expecting T_STRING or T_VARIABLE or T_NUM_STRING in...
Look at complex (curly) syntax:
<http://nl2.php.net/manual/en/language.types.string.php#language.types.string.parsing>
echo "<br />pic_name = {$_FILES['picture']['name']}";
--
Rik Wasmus >> Stay informed about: accessing array data inside of an array |
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External
Since: Nov 13, 2007
Posts: 29
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(Msg. 5) Posted: Sun Nov 18, 2007 4:00 pm
Post subject: Re: accessing array data inside of an array [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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External
Since: Sep 02, 2007
Posts: 210
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(Msg. 6) Posted: Mon Nov 19, 2007 1:59 am
Post subject: Re: accessing array data inside of an array [Login to view extended thread Info.]
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External
Since: Nov 13, 2007
Posts: 29
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(Msg. 7) Posted: Mon Nov 19, 2007 6:00 am
Post subject: Re: accessing array data inside of an array [Login to view extended thread Info.]
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External
Since: Nov 24, 2006
Posts: 17
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(Msg. 8) Posted: Mon Nov 19, 2007 7:23 am
Post subject: Re: accessing array data inside of an array [Login to view extended thread Info.]
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External
Since: Nov 13, 2007
Posts: 29
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(Msg. 9) Posted: Mon Nov 19, 2007 7:59 am
Post subject: Re: accessing array data inside of an array [Login to view extended thread Info.]
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External
Since: Sep 02, 2007
Posts: 210
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(Msg. 10) Posted: Mon Nov 19, 2007 1:59 pm
Post subject: Re: accessing array data inside of an array [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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On Mon, 19 Nov 2007 09:34:23 +0100, Toby A Inkster
wrote:
> Rik Wasmus wrote:
>> define('picture','oops');
>> define('name','wrong');
>
> I know, I know, but I wanted to keep the code as similar as possible to
> the OP's.
Then again, why correct just one mistake and not the other?
> Besides which, it's not normal to define lower-case constants.
Very true indeed.
--
Rik Wasmus >> Stay informed about: accessing array data inside of an array |
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External
Since: Sep 02, 2007
Posts: 210
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(Msg. 11) Posted: Mon Nov 19, 2007 1:59 pm
Post subject: Re: accessing array data inside of an array [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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On Mon, 19 Nov 2007 13:23:08 +0100, bill wrote:
> Toby A Inkster wrote:
>> bill wrote:
>>
>>> echo "<br />pic_name = $_FILES[picture][name]";
>> echo "<br />pic_name = {$_FILES[picture][name]}";
>>
> Rik and Toby
> Thanks, something new to learn.
Hmm, now I think about it: offcourse you never ever change the $_FILES
array yourself, you just use it's information. There is no way you should
echo user supplied strings directly to the page. At least use
htmlentities() on them before displaying them, or you're vulnerable to so
called XSS attack.
See <http://en.wikipedia.org/wiki/Cross_site_scripting>, Type 1 (and
possibly 2 depending on further processing).
--
Rik Wasmus >> Stay informed about: accessing array data inside of an array |
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External
Since: Nov 24, 2006
Posts: 17
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(Msg. 12) Posted: Tue Nov 20, 2007 7:19 am
Post subject: Re: accessing array data inside of an array [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Rik Wasmus wrote:
> On Mon, 19 Nov 2007 13:23:08 +0100, bill wrote:
>
>> Toby A Inkster wrote:
>>> bill wrote:
>>>
>>>> echo "<br />pic_name = $_FILES[picture][name]";
>>> echo "<br />pic_name = {$_FILES[picture][name]}";
>>>
>> Rik and Toby
>> Thanks, something new to learn.
>
> Hmm, now I think about it: offcourse you never ever change the $_FILES
> array yourself, you just use it's information. There is no way you
> should echo user supplied strings directly to the page. At least use
> htmlentities() on them before displaying them, or you're vulnerable to
> so called XSS attack.
just for debugging. Not a live application
>
> See <http://en.wikipedia.org/wiki/Cross_site_scripting>, Type 1 (and
> possibly 2 depending on further processing).
thanks for the reminder however
bill >> Stay informed about: accessing array data inside of an array |
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