a php code

[Hongwei Li]

> Hongwei Li wrote:
>> Hi,
>>
>> We have fc1 with php 4.3.6-1.3 and apache 2.  I have a problem with php
>> codes and ask for help.
>>
>> My question might be off topic of this list.  But, since I don't know a
>> good mailing list of php groups, so I post it here.  If somebody can
>> help
>> me, or tell me a good place to ask, I'd greatly appreciate.
>>
>> Here is my test code, called fm.php:
>>
>> <?php
>> if (!isset($pick)) {
>>  echo "Select color(s) and submit the form below."; }
>> else {
>>  $j = count($pick);
>>  for($i=0; $i<$j; $i++) {
>>   echo "Pick <b>$pick[$i]</b> is Checked<br />"; }
>>  }
>> ?>
>>
>> <form action="<?php echo $_SERVER['PHP_SELF']; ?>">
>> <ol>
>> <li>Red<input name="pick[]" type=checkbox value="Red" /></li>
>> <li>Blue<input name="pick[]" type=checkbox value="Blue" /></li>
>> <li>Yellow<input name="pick[]" type=checkbox value="Yellow" /></li>
>> </ol>
>>
>> <input type="submit" value="Submit!" />
>> <input type="reset" value="Reset" />
>> </form>
>
> Try this one:
>
> <?
> $pick1 = $HTTP_GET_VARS{pick1};
> $pick2 = $HTTP_GET_VARS{pick2};
> $pick3 = $HTTP_GET_VARS{pick3};
>
> if (!isset($pick1) && !isset($pick2) && !isset($pick3)) {
> 	echo "Select color(s) and submit the form below.";
> } else {
> 	if ($pick1 != "") {
> 		echo $pick1." is checked<br>";
> 	}
> 	if ($pick2 != "") {
> 		echo $pick2." is checked<br>";
> 	}
> 	if ($pick3 != "") {
> 		echo $pick3." is checked<br>";
> 	}
> }
> ?>
>
> <form action="<? echo $_SERVER['PHP_SELF']; ?>">
> <ol>
> <li>Red<input name="pick1" type=checkbox value="Red" /></li>
> <li>Blue<input name="pick2" type=checkbox value="Blue" /></li>
> <li>Yellow<input name="pick3" type=checkbox value="Yellow" /></li>
> </ol>
>
> <input type="submit" value="Submit!" />
> <input type="reset" value="Reset" />
> </form>
>
> If you use checkboxes, you must name them differently, because you
> can select more than one.
> If the user should only be able to select one color, use radiobuttons:
>
> <?
> $pick = $HTTP_GET_VARS{pick};
>
> if (!isset($pick)) {
> 	echo "Select color(s) and submit the form below.";
> } else {
> 	echo $pick." is checked<br>";
> }
> ?>
>
> <form action="<? echo $_SERVER['PHP_SELF']; ?>">
> <ol>
> <li>Red<input name="pick" type=radio value="Red" /></li>
> <li>Blue<input name="pick" type=radio value="Blue" /></li>
> <li>Yellow<input name="pick" type=radio value="Yellow" /></li>
> </ol>
>
> <input type="submit" value="Submit!" />
> <input type="reset" value="Reset" />
> </form>
>
> Take a look at these examples.
> If you have more PHP questions, you can email me directly too.
>
> Cheers,
> Hannes.
>
>
> --
> fedora-list mailing list
> fedora-list at redhat.com
> To unsubscribe: http://www.redhat.com/mailman/listinfo/fedora-list
>

Hi Hannes,

Your codes work.  Thank you very much!  Actually, my code was from
php.net's samples.  I don't know why they use array for it. Now I
understand more.

I appreciate your help!

Hongwei