Re: [PHP] Select multiple boxes

2003-01-21 Thread Chris Hewitt
John W. Holmes wrote:



How does php know what suitable form data is?

I guess it could look for multiple names in the GET or POST data. But
then that would mean for every variable it goes to create, it would have
to go and look if it's already created one by that name. If it did,
erase the old one and make these two an array now. 

I guess this is what Oracle 8i must do since if there is more than one 
element of the same name then an array is automatically made. Seems fine 
except that the special case of when you are expecting more than one but 
only one exists. It is no longer an array. Either extra code to handle 
it, or what I often do is add a hidden dummy element of the same name to 
force an array.

Rather than doing that, it can just look for [] in the name and it knows
to make that an array.


All in all, I think the [] syntax ends up with less work for me to do. 
So IMHO I feel PHP has it right.

Regards

Chris



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RE: [PHP] Select multiple boxes

2003-01-20 Thread Ford, Mike [LSS]
 -Original Message-
 From: Cal Evans [mailto:[EMAIL PROTECTED]]
 Sent: 18 January 2003 14:41
 
 use [] in your select box name. When it comes back in the 
 $_POST array you
 will have an array of options.  It breaks HTML standard 

No, it does not break HTML standards -- that is a PHP urban myth (which, to
my chagrin, I helped to propagate before a wiser head sent me to read said
standards in minute detail).  It does not even break XHTML standards.

Believe me -- I've interrogated the damn standards to within an inch of
their lives, and they nonetheless insist that [] are legal characters in
form element name= attributes, and form element name= attributes are *not*
deprecated.

Cheers!

Mike

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Mike Ford,  Electronic Information Services Adviser,
Learning Support Services, Learning  Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Beckett Park, LEEDS,  LS6 3QS,  United Kingdom
Email: [EMAIL PROTECTED]
Tel: +44 113 283 2600 extn 4730  Fax:  +44 113 283 3211 

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Re: [PHP] Select multiple boxes

2003-01-20 Thread Sean Burlington
Ford, Mike [LSS] wrote:

-Original Message-
From: Cal Evans [mailto:[EMAIL PROTECTED]]
Sent: 18 January 2003 14:41

use [] in your select box name. When it comes back in the 
$_POST array you
will have an array of options.  It breaks HTML standard 


No, it does not break HTML standards -- that is a PHP urban myth (which, to
my chagrin, I helped to propagate before a wiser head sent me to read said
standards in minute detail).  It does not even break XHTML standards.

Believe me -- I've interrogated the damn standards to within an inch of
their lives, and they nonetheless insist that [] are legal characters in
form element name= attributes, and form element name= attributes are *not*
deprecated.



while I agree that it doesn't break standards - I do find it odd.

and annoying in that it limits the ability of php to  process certain 
forms ...

I don't see any benefit of this system - it would be better if php just 
created an array for suitable form data - without requiring that the 
element name changes.

still - I guess it works :)

--

Sean



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RE: [PHP] Select multiple boxes

2003-01-20 Thread John W. Holmes
 use [] in your select box name. When it comes back in the
 $_POST array you
 will have an array of options.  It breaks HTML standard
 
 
  No, it does not break HTML standards -- that is a PHP urban myth
(which,
 to
  my chagrin, I helped to propagate before a wiser head sent me to
read
 said
  standards in minute detail).  It does not even break XHTML
standards.
 
  Believe me -- I've interrogated the damn standards to within an inch
of
  their lives, and they nonetheless insist that [] are legal
characters in
  form element name= attributes, and form element name= attributes are
 *not*
  deprecated.
 
 
 while I agree that it doesn't break standards - I do find it odd.
 
 and annoying in that it limits the ability of php to  process certain
 forms ...
 
 I don't see any benefit of this system - it would be better if php
just
 created an array for suitable form data - without requiring that the
 element name changes.

How does php know what suitable form data is?

I guess it could look for multiple names in the GET or POST data. But
then that would mean for every variable it goes to create, it would have
to go and look if it's already created one by that name. If it did,
erase the old one and make these two an array now. 

Rather than doing that, it can just look for [] in the name and it knows
to make that an array.

---John W. Holmes...

PHP Architect - A monthly magazine for PHP Professionals. Get your copy
today. http://www.phparch.com/



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Re: [PHP] Select multiple boxes

2003-01-20 Thread Sean Burlington
John W. Holmes wrote:

use [] in your select box name. When it comes back in the
$_POST array you
will have an array of options.  It breaks HTML standard



No, it does not break HTML standards -- that is a PHP urban myth


(which,


to


my chagrin, I helped to propagate before a wiser head sent me to


read


said


standards in minute detail).  It does not even break XHTML


standards.


Believe me -- I've interrogated the damn standards to within an inch


of


their lives, and they nonetheless insist that [] are legal


characters in


form element name= attributes, and form element name= attributes are


*not*


deprecated.



while I agree that it doesn't break standards - I do find it odd.

and annoying in that it limits the ability of php to  process certain
forms ...

I don't see any benefit of this system - it would be better if php


just


created an array for suitable form data - without requiring that the
element name changes.



How does php know what suitable form data is?

I guess it could look for multiple names in the GET or POST data. But
then that would mean for every variable it goes to create, it would have
to go and look if it's already created one by that name. If it did,
erase the old one and make these two an array now. 

Rather than doing that, it can just look for [] in the name and it knows
to make that an array.


well I think you answered your own query - it could look for multiple 
names ...

this seems to work well in other systems - eg Perl:CGI and Java Servlets 
 - though as these have seperate types for an array - so it works quite 
naturally there.

in fact I have only seen this construct in php - it seems odd to me.

I have worked on several projects where forms have been used to 
communicate between systems under the control of different development 
teams - in this case the requirement to rename the form element for it 
to work as a select multiple has been a pain.

--

Sean




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RE: [PHP] Select multiple boxes

2003-01-18 Thread Cal Evans
use [] in your select box name. When it comes back in the $_POST array you
will have an array of options.  It breaks HTML standard therefore it is a
Bad Thing (tm) but it does work.

SELECT name=mySelect[] multi 
option name='1'Don't pick me/option
option name='2'Pick me/option
/select

Selecting both results in:

$_POST['mySelect'][1] == Don't pick me
$_POST['mySelect'][2] == Pick me

HTH,
=C=

*
* Cal Evans
* Stay plugged into your audience.
* http://www.christianperformer.com
*


-Original Message-
From: Gregory Chagnon [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 17, 2003 11:14 PM
To: [EMAIL PROTECTED]
Subject: [PHP] Select multiple boxes


Hi-
Is there any way to get all of the elements in a SELECT MULTIPLE box, not
just the ones that are selected?  Thanks!
-Greg



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RE: [PHP] Select multiple boxes

2003-01-18 Thread John W. Holmes
 Is there any way to get all of the elements in a SELECT MULTIPLE box,
not
 just the ones that are selected?  Thanks!

No. You create the box, so you should know all of the possible values. 

---John W. Holmes...

PHP Architect - A monthly magazine for PHP Professionals. Get your copy
today. http://www.phparch.com/



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RE: [PHP] Select multiple boxes

2003-01-18 Thread Cal Evans
whoops. Sorry, didn't read the question. Wrong answer. John gave the correct
answer.

=C=

*
* Cal Evans
* Stay plugged into your audience.
* http://www.christianperformer.com
*


-Original Message-
From: Cal Evans [mailto:[EMAIL PROTECTED]]
Sent: Saturday, January 18, 2003 8:41 AM
To: Gregory Chagnon; [EMAIL PROTECTED]
Subject: RE: [PHP] Select multiple boxes


use [] in your select box name. When it comes back in the $_POST array you
will have an array of options.  It breaks HTML standard therefore it is a
Bad Thing (tm) but it does work.

SELECT name=mySelect[] multi 
option name='1'Don't pick me/option
option name='2'Pick me/option
/select

Selecting both results in:

$_POST['mySelect'][1] == Don't pick me
$_POST['mySelect'][2] == Pick me

HTH,
=C=

*
* Cal Evans
* Stay plugged into your audience.
* http://www.christianperformer.com
*


-Original Message-
From: Gregory Chagnon [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 17, 2003 11:14 PM
To: [EMAIL PROTECTED]
Subject: [PHP] Select multiple boxes


Hi-
Is there any way to get all of the elements in a SELECT MULTIPLE box, not
just the ones that are selected?  Thanks!
-Greg



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Re: [PHP] Select multiple boxes

2003-01-18 Thread Gregory Chagnon
The problem is I have 2 seelect boxes...it's for creating a user and adding
them to a list of available groups...so I have one select box that is
initially empty called memberOf and another box that has all of the
available groups listed in it called availableGroups.  I have a script that
can move items back and forth and when the form is submitted I want to be
able to get all the items that are in the memberOf box..anyh ideas on how to
to this?  THanks.
-Greg


John W. Holmes [EMAIL PROTECTED] wrote in message
000501c2bf01$46464cc0$7c02a8c0@coconut">news:000501c2bf01$46464cc0$7c02a8c0@coconut...
  Is there any way to get all of the elements in a SELECT MULTIPLE box,
 not
  just the ones that are selected?  Thanks!

 No. You create the box, so you should know all of the possible values.

 ---John W. Holmes...

 PHP Architect - A monthly magazine for PHP Professionals. Get your copy
 today. http://www.phparch.com/





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RE: [PHP] Select multiple boxes

2003-01-18 Thread John W. Holmes
 The problem is I have 2 seelect boxes...it's for creating a user and
 adding
 them to a list of available groups...so I have one select box that is
 initially empty called memberOf and another box that has all of the
 available groups listed in it called availableGroups.  I have a script
 that
 can move items back and forth and when the form is submitted I want to
be
 able to get all the items that are in the memberOf box..anyh ideas on
how
 to
 to this?  THanks.

Well, you create the memberOf box, right? How do you do that? At the
same time, create a javascript or hidden variable that has its contents
to be passed along with the form. 

---John W. Holmes...

PHP Architect - A monthly magazine for PHP Professionals. Get your copy
today. http://www.phparch.com/



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RE: [PHP] Select multiple boxes

2003-01-18 Thread Cal Evans
What you are describing is a 2 List Mover. PHP is a server-side language
and as such knows nothing about what is going on on the client. Therefore
you have limited options. My favorite is :

In your form's onSubmit() put code to load all the values into a hidden
field. (Assuming you have defined the hidden field)

hidden name=StoreStuffhere

in your JavaScript put things like

document.mainForm.storeStuffHere.value += storeStuffHere[1]='Value1';
document.mainForm.storeStuffHere.value += storeStuffHere[2]='Value2';
document.mainForm.storeStuffHere.value += storeStuffHere[3]='Value3';

Then, when the form is submitted use:

parse_str($_POST['storeStuffHere']);

This will create the array storeStuffHere with the 3 values.

HTH,
=C=
*
* Cal Evans
* Stay plugged into your audience.
* http://www.christianperformer.com
*


-Original Message-
From: Gregory Chagnon [mailto:[EMAIL PROTECTED]]
Sent: Saturday, January 18, 2003 9:31 AM
To: [EMAIL PROTECTED]
Subject: Re: [PHP] Select multiple boxes


The problem is I have 2 seelect boxes...it's for creating a user and adding
them to a list of available groups...so I have one select box that is
initially empty called memberOf and another box that has all of the
available groups listed in it called availableGroups.  I have a script that
can move items back and forth and when the form is submitted I want to be
able to get all the items that are in the memberOf box..anyh ideas on how to
to this?  THanks.
-Greg


John W. Holmes [EMAIL PROTECTED] wrote in message
000501c2bf01$46464cc0$7c02a8c0@coconut">news:000501c2bf01$46464cc0$7c02a8c0@coconut...
  Is there any way to get all of the elements in a SELECT MULTIPLE box,
 not
  just the ones that are selected?  Thanks!

 No. You create the box, so you should know all of the possible values.

 ---John W. Holmes...

 PHP Architect - A monthly magazine for PHP Professionals. Get your copy
 today. http://www.phparch.com/





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[PHP] Select multiple boxes

2003-01-17 Thread Gregory Chagnon
Hi-
Is there any way to get all of the elements in a SELECT MULTIPLE box, not
just the ones that are selected?  Thanks!
-Greg



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