[PHP] Image Problem

[Mark Colvin]

I have just upgraded php from 4.0.6 to 4.2.3. Everything works OK apart from
the line below -

echo 'td colspan=2 rowspan=2 align=centerimg alt=No Image to
display. src=thumbnail.php?image=00042.jpg valign=top//td';

The thumbnail.php script uses php functions imagecreate,
imagecreatefromjpeg, imagecopyresized. The script created a thumbnail OK
before the upgrade and now I get no image. Is this because php has to be
configured with the GD Library? If so, can I add this in without having to
reinstall php? I am running on a Red Hat 7.2 box.



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[PHP] Informix Connection

[Mark Colvin]

I have php 4.1.2 running on a linux 7.2 box. I want to make a connection to
an Informix 7.2SE database running on a HP-UX 10.2 box. My issues are as
follows -
1) Do I need informix software of any description running on the linux web
server?
2) Can I configure the php informix modules into and up and running php
build that doesn't currently have these modules.
3) Is there a step by step or guide on this type of connection anywhere?



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[PHP] DATE_FORMAT (MySQL function)

[Mark Colvin]

I'm not sure if this is a php or mysql issue but I run the following query
from a php script -

$query = select d1.code, d1.type, d1.descr, d1.grouptype, d1.cusref,
d1.stock, d1.minstock, d1.appmeth, d1.supplier, d1.suppref, d1.leadtime,
d1.price, d1.reorder, d1.code1, d1.code2, d1.notes, d1.usr, d1.usr,
d1.cusname, d1.colours, d1.stitchcount, d1.height, d1.width,
DATE_FORMAT(d1.created, '%d-%m-%Y'), DATE_FORMAT(d1.amended, '%d-%m-%Y'),
d2.extdescr from decheader as d1, decextdescr as d2 where d1.code = d2.code
and d1.code = '00042' ;

The problem I am having is with the DATE_FORMAT. Running the above query
returns the following for the ‘width’ column.

94.40 DATE_FORMAT(d1.created, '%d-%m-%Y'): NULL DATE_FORMAT(d1.amended,
'%d-%m-%Y'): 03-10-2002

The ‘width’ column should only return 94.40. Why does this query put 3
columns into one?



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[PHP] Mail problem

[Mark Colvin]

The script below works on my development web server which sits on our
company LAN. When I transfer the script to our isp hosted webserver, the
script does not work. I changed 192.168.10.9/iarnaweb/ to read localhost/
for the isp webserver version (I have also tried replacing localhost with
the actual ip address). On my development server, the email is sent and the
redirection happens but on the production server neither of these happens.
Any ideas?

?PHP
  $toaddress = [EMAIL PROTECTED];
  $subject = Enquiry via Web Site.;
  $mailcontent = Customer Name: .$name.\n
 .Position: .$position.\n
 .Company Name: .$company.\n
 .Address: .$address.\n
 .E-mail: .$email.\n
 .Tel No: .$telno.\n
 .Customer Comments: .$enquiry.\n;

  mail($toaddress, $subject, $mailcontent);

  header(Location: http://192.168.10.9/iarnaweb/contactack.html;);

?



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RE: [PHP] Re: Mail problem

[Mark Colvin]

Manuel,

My development platform is linux 7.2 and php4.0.6. The production server is
also linux (I think 7.2) but the php version 4.1.1.
On your second point, do you mean I should say something like this -
header(Location: http://ccmltdcouk.site.securepod.com/test.php;)
This is our temporary domain name. I hope this helps.


 The mail function mail fail for many reasons but you are not checking
 its return value. Possibly it is just PHP configuration issue on your
 server. Which platform do you use?

 Another point is that the Location: header is meant to be
 interpreted by
 the user browser, not your server. So, it should include the
 real server
 domain because localhost for each user is their own machine, not your
 server.


 --

 Regards,
 Manuel Lemos


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RE: [PHP] Re: Mail problem

[Mark Colvin]

I have some more information that may be relevant to my problem. I compared
the phpinfo() from both servers and there is a difference. The sendmail_from
variable in the php.ini on my server is set to [EMAIL PROTECTED] The same
variable on my isp's ini file is set to 'no value'. Would this stop my
emails from being sent and if so can I change this value from within my
script or would it have to be directly amended in the php.ini file?



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RE: [PHP] Re: Mail problem

[Mark Colvin]

Still not resolved. I checked my local php.ini and the sendmail_path
variable is commented out. If I do a phpinfo() on the same server,
sendmail_path has a value of /usr/sbin/sendmail -t -i ? I don't know where
it pick up this value from but I can send emails from this server. The
production server that is situated with my isp also has the sendmail_path
set to /usr/sbin/sendmail -t -i but this won't send emails. Both web servers
are on linux 7.2 boxes. Am I correct in assuming that the SMTP and
sendmail_from variables are only relevant for webservers on windows hosts
and all I need to be concerned with is sendmail_path? I have searched
various places for an answer as to why I can't mail from my production
server without much success.



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RE: [PHP] Re: Mail problem

[Mark Colvin]

Erwin,

sendmail on my local server does indeed reside in /usr/lib/sendmail although
phpinfo shows sendmail_path = /usr/sbin/sendmail -t -i it still sends the
mail? Why is this the case and would you suggest anything to enable me to
get my mail working with my isp. I do not have direct access to php.ini with
my isp.

Mark

 -Original Message-
 From: Erwin [mailto:[EMAIL PROTECTED]]
 Sent: 30 August 2002 14:27
 To: [EMAIL PROTECTED]
 Subject: Re: [PHP] Re: Mail problem


  Am I correct in
  assuming that the SMTP and sendmail_from variables are only relevant
  for webservers on windows hosts and all I need to be concerned with
  is sendmail_path?

 Yes, that is correct. Did you check for existence of
 /usr/sbin/sendmail?
 Sendmail often resides in /usr/lib/sendmail, so you could
 check that. Try
 file_exists, or open a pipe with popen.

 Grtz Erwin



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RE: [PHP] Re: Mail problem

[Mark Colvin]

I have this set on both boxes. Here are the settings -

  local box (which does send mail)isp box (does not send
mail)
sendmail_from   melocalhost.com   'no value'
sendmail_path   /usr/sbin/sendmail -t -i/usr/sbin/sendmail -t -i
SMTPlocalhost   localhost




 I actually had to set the SMTP setting to localhost on our
 solaris boxes to
 get this to work. I discovered this because we have a few
 older machines
 without php.ini files altogether, and the default is to have
 this set (the
 older machines worked).




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RE: [PHP] About html

[Mark Colvin]

Use the tabindex -
td width=100 valign=topinput name=telno type=text size=60
maxlength=60 value= tabindex=1//td

 -Original Message-
 From: kale [mailto:[EMAIL PROTECTED]]
 Sent: 30 August 2002 08:45
 To: [EMAIL PROTECTED]
 Subject: [PHP] About html


 Hy,
 I have one question about html.
 1. I have a form with 8 textbox. How can I put the tab order?
 When I press tab I want to jump from first textbox to
 textbox number 4 not to number 2.

 Thanks for answer.
 kale



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[PHP] StripSlashes Problem

[Mark Colvin]

I use the following php code to build a dynamic table retrieving values from
a MySQL databases that have been inserted with slashes added -

 echo td width='100'input name='descr' type='text' size='45'
maxlength='20' readonly value='.StripSlashes(mysql_result($badgedetails,
$i, 'descr')).' tabindex='1'//td;

The problem is, if the value to be displayed is for example O'Neill, then
the output will look something like -

td width='100'input name='descr' type='text' size='45' maxlength='20'
readonly value='O'Neill' tabindex='1'//td

Quite correctly, when this page is rendered, all that will be displayed is O
as the apostrophe after the O will be treated as a closing parenthesis. I
understand AddSlashes and StripSlashes but how can I utilise them to resolve
this issue.



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RE: [PHP] StripSlashes Problem

[Mark Colvin]

John,

Thank you for your reply. My magic_quotes_runtime is set to 'Off'. As you
said, I shouldn't have to use StripSlashes but would I still need to use
AddSlashes when inserting/updating? I can see the slashes in the database
when I look at the tables but I am fairly sure that I do not add slashes
twice? Are they being added automatically somewhere as a result of a setting
in the php.ini file?
With regards to my use of mysql_result as opposed to mysql_fetch_*
functions, I was ignorant of the performance hit and I will now re think
around my database code.




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RE: [PHP] StripSlashes Problem

[Mark Colvin]

John,

Thank you. This solves the problem.

Petre,

Thank you for your reply. I wasn't aware of the difference and will bear
this in mind.




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[PHP] PHP Installation Problem

[Mark Colvin]

Thanks all. I have now resolved. For future reference, the problem was as
you said, I didn't have php configured for mysql support. I traced this back
to the installation of the operating system, Red Hat 7.2. Through the
graphical installation, all php modules apart from mysql support and odbc
support are installed by default. These two have to be specifically chosen,
which I didn't do. Anyway problem now resolved



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[PHP] PHP Installation Problem

[Mark Colvin]

I have a development web server php 4.0.6 apache and mysql and everything
works OK. I installed the same software onto a new server that will be the
production server but I hit problems when my scripts try and hit the db on
the new server. Comparing the phpinfo details for both, the new server does
not have a mysql section it. I copied the original php.ini onto the new
server and restarted apache after the installation. Where have I missed this
in the installation process and how should I resolve it?
As an aside question, is there any glaring issues I may encounter if I
upgrade php to 4.2.2 from 4.0.6?



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[PHP] Upload File Problem

[Mark Colvin]

I have a simple script that attempts to upload a file and save it on the
server. When I click send file I get this error message 'Warning: Unable to
open '' for reading: No such file or directory in /var/www/html/upload.php
on line 5
Couldn't copy the file!'. The file is being uploaded from a Win 2000 machine
and the php script live on an apache web server on a linux box. I have chmod
777 the 'image' directory. Any ideas?
Here's the code -

-- upload.html --
html
head
titleUpload a File/title
/head

body

h1Upload a File/h1

form enctype=multipart/form-data method=post action=upload.php

pstrongFile to Upload:/strongbr
input type=file name=img1 size=30/p

Pinput type=submit name=submit value=Upload File/p

/form
/body

/html

-- upload.php --
?php

if ('img1' != ) {

copy($img1_tmp_name, images/.$img1_name)
or die(Couldn't copy the file!);

} else {

die(No input file specified);
}

?




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RE: [PHP] Upload File Problem

[Mark Colvin]

Joakim,

Thank you for your reply. I tried your example and get 'Possible file upload
attack: filename.' meaning that 'if
(is_uploaded_file($_FILES['img1']['tmp_name']))' returns false. I put a
couple of echo statements in before the if statement to check '$img1_name'
'$img1_size and '$img1_type' and these all returned the correct values. I
have my upload_tmp_dir in php.ini set to /var/www/html/img and this folder
has 777 permissions. Do you think the file is not getting to temp directory
and if so any idea why?




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RE: [PHP] Upload File Problem

[Mark Colvin]

Joakim,

Thanks again. $HTTP_POST did the trick. I did look through the archives
before posting but didn't come across this solution. I obviously didn't look
hard enough!




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[PHP] Forms problem?

[Mark Colvin]

I have a php script that queries a mysql db and build a form on a page for
each row returned. Each form has four fields and a thumbnail of a JPEG.
Below the image is a link to view the full image in a new window by using a
javascript function. (No javascript  jibes before I go any further, it was
the only way I knew how). When I enter a query and say 10 records are
returned (10 forms are created with the same name), the data and appropriate
thumbnails are displayed correctly. When I click on the link the full image
is only displayed for the first six links. After this clicking on the link
has no effect. In the example above, the first five images were the same and
the last five were also the same. I should also mention that when I load
this page, I get an IE error 'unterminated string constant' but the page
does load correctly. I have checked my code for closing quotes etc but they
seem OK. Is there a max number of forms that can be created on a page or do
I have to name them all different or is there some other explanation as to
why the images won't display. Any ideas would be helpful and I can post more
code if required.

The call to the function is:

echo td width='200' colspan='2' align='center' class=labelsa
href='javascript:void(0)' onclick='ViewFullImage(\$img_code\)'View full
size/a/td;

The function is:

function ViewFullImage(strCode)
   {

msg=window.open(,msg,height=400,width=750,left=20,top=80,scrollbars=yes
,resizable=yes);
  msg.document.write(htmltitleDecoration Image/title);
  msg.document.write(body bgcolor='white' onblur=window.close());

  msg.document.write(centerimg src=images/ + strCode + .jpg
align=center valign=center/center);
  msg.document.write(/body/htmlp);
   }



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[PHP] Displaying Database Results

[Mark Colvin]

I have a php script that queries a MySQL database and I loop through the
results displaying them as follows:

echo td width='100'input name='description' type='text' size='45'
maxlength='20' value=.StripSlashes(mysql_result($badgedetails, $i,
'descr')). tabindex='1'//td;

The problem is that as per the example above, the text displayed is Name
but it should be Name Badge. With all my fields, the text is displayed OK
until it hits a space. Why does this occur?



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[PHP] PHP Image Functions

[Mark Colvin]

I have a directory of jpegs that I want to display thumbnails of and have a
link to the original jpeg. I would rather not create separate thumbnails
images preferring to create them in memory to display them. I have installed
GD v.1.8.4. The code below outputs jumbled text to the browser (possibly the
jpeg stream?). Code is as follows:

  /tr
tdimg alt=text src=?php echo CreateThumbnail(); ?
valign=top //td
  /tr

?php
function CreateThumbnail()
{
  $x = 130;
  $y = 100;

  $quality = 75;

  $thumbnail = imagecreate($x, $y);
  $originalimage = imagecreatefromjpeg('test.jpg');

  imagecopyresized($thumbnail, $originalimage, 0, 0, 0, 0, $x, $y,
  ImageSX($originalimage),ImageSY($originalimage));

  header(Content-Type: image/jpeg);
  imagejpeg($thumbnail,'test.jpg',$quality);

  imagedestroy($thumbnail);
}
?

Why will this not work?



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RE: [PHP] PHP Image Functions

[Mark Colvin]

Thanks for your reply. Its a bit further forward but still not working. I
have split the files and the output now shows the text part of 'img
alt=text src=...' ie it won't recognise the image. Anything else you can
think of?




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RE: [PHP] PHP Image Functions

[Mark Colvin]

That's the winner!! Everything working good now. Thanks again.




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[PHP] Button can't see form!

[Mark Colvin]

I use the following line in some of my php scripts to navigate between
pages:

 td align=left width=40pxinput type='button' class='bginput'
value='New' onClick=this.form.action='newproduct.php?mode=new';
this.form.submit()/td

The problem I have is with a page I build dynamically. The whole page is
encased in form/form tags. In between these tags there are sections
echoed as a result of a databasse query. Each of these sections is a form.
After all of the sections have been created, there is a button at the bottom
of the page that is similar to that above. The button is outwith the form
tags of the sections but within the form tags of the whole page i.e.

form name=addproduct

table
!-- loop round result set creating a form for each row --
form name=detail
  dynamic content
/form
form
  dynamic content
/form
form
  dynamic content
/form
/table

 td align=left width=40pxinput type='button' class='bginput'
value='New' onClick=this.form.action='newproduct.php?mode=new';
this.form.submit()/td

/form

Clicking on the button has no effect. On all my other pages this button
behaves as it should. Why?



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[PHP] Submitting Form Data

[Mark Colvin]

I have a php script that performs a query and then dynamically builds a
section of a page for every row returned. Each section has some fields and
three submit buttons. My problem is this. If I make a change to one
particular section, how can I submit the form passing only the relevant
section data?



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[PHP] mysql_num_rows always returns 1?

[Mark Colvin]

The function below works when I pass in a valid username and password and
returns '1'. When I pass a username and password that is not in the database
it still returns '1'. I have put some echo statements in for debugging and
the value of $numresult is always '1'. Does mysql_num_rows retain results in
memory or something like that or am I completely going down the wrong road?

  function VerifyLogin($user, $pass)
  {

 $conn = $this-DB_Connect();

 $query = select count(*) from users where 
   .username = '$user' and 
   .password = '$pass';

 $result = mysql_query($query);

 if(!$result)
 {
 echo 'Cannot run query.';
 echo 'user = ' .$user;
 echo 'pass = ' .$pass;
 echo 'query = ' .$query;
 echo 'result = ' .$result;
 $numresult = mysql_num_rows($result);
 echo 'numresult = ' .$numresult;
 exit;
 }
 else
 {
 $numresult = mysql_num_rows($result);
 echo 'numresult = ' .$numresult;
 }

 //if a row exists we have a correct username/password
 if (mysql_num_rows($result) == 1)
 {
return 1;
 }
 // else username and/or password is wrong
 {
return 0;
 }
  }

Thanks in advance


Mark



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