PHP array from HTML form checkbox or select

[RC]

Order for PHP get the array from a
HTML form checkbox or select tag.
The HTML name MUST with [].
For example:

<form methos=POST action="myfile. php">
<select name="pets[]" multiple>
<option value="cat">Cat
<option value="dog">Dog
....
</select>

Or
<input type="checkbox" name="fruits[]" value="apple">
<input type="checkbox" name="fuits[]" value="orange">

</form>

But the problem is name="XXX[]" is not standard HTML, right?
Especial when my HTML file has JavaScript, JavaScript
treats the name of select or checkbox tag as an array,
so it doesn't recognized name with []. In JavaScript treats

form.pets[0].value = "cat"
Can't treats
form.pets[][0].value = "cat"

But in PHP

$pets = $_POST['pets'];
$fruits = $_POST['fruits'];

How can I solve this problem a HTML form has JavaScript and
process with PHP?

Thank Q very much in advance!

[Daniel Tryba]

Re: PHP array from HTML form checkbox or select

RC <raymond.chui@n ospam.noaa.gov> wrote:[color=blue]
> But the problem is name="XXX[]" is not standard HTML, right?[/color]

No, it's valid HTML according to w3c specs:

http://www.w3.org/TR/html401/interact/forms.html#adef-name-INPUT

[color=blue]
> Especial when my HTML file has JavaScript, JavaScript
> treats the name of select or checkbox tag as an array,
> so it doesn't recognized name with []. In JavaScript treats
>
> form.pets[0].value = "cat"
> Can't treats
> form.pets[][0].value = "cat"[/color]

That's because you are using [] in it's javascript context (array) while
instead you should be using a literal []: form["pets[]"].value

So readup on your javascript skills :)

[Jerry Stuckle]

Re: PHP array from HTML form checkbox or select

RC wrote:[color=blue]
> Order for PHP get the array from a
> HTML form checkbox or select tag.
> The HTML name MUST with [].
> For example:
>
> <form methos=POST action="myfile. php">
> <select name="pets[]" multiple>
> <option value="cat">Cat
> <option value="dog">Dog
> ...
> </select>
>
> Or
> <input type="checkbox" name="fruits[]" value="apple">
> <input type="checkbox" name="fuits[]" value="orange">
>
> </form>
>
> But the problem is name="XXX[]" is not standard HTML, right?
> Especial when my HTML file has JavaScript, JavaScript
> treats the name of select or checkbox tag as an array,
> so it doesn't recognized name with []. In JavaScript treats
>
> form.pets[0].value = "cat"
> Can't treats
> form.pets[][0].value = "cat"
>
> But in PHP
>
> $pets = $_POST['pets'];
> $fruits = $_POST['fruits'];
>
> How can I solve this problem a HTML form has JavaScript and
> process with PHP?
>
> Thank Q very much in advance!
>
>
>[/color]

Use the id= field to give each field a unique id. You can then
reference the field by id in your Javascript and still access the array
in your PHP.


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JDS Computer Training Corp.
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