Need major help with javascript array to php!

[jediman]

I am having major problems with this code:

function GetFormHTML()
{
	thiscount = counter();
	var htmlStr = '';
	htmlStr += '<table><tr><td>Sensor Type</td><td>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Address</td><td>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Formula</td></tr></table>';
	for (var i=0;i<gFieldValues.length;i++)
			htmlStr += '<table><tr><td><input type="text" name="myoptions" value="'+ getFieldValue[i] +'"><input type="hidden" value="<?php $_POST[myoptions[thiscount]];?>"><input type="hidden" value="<?php $_POST[thiscount];?>">&nbsp;<input type="text" name="multifield" value="' + gFieldValues[i] + '">&nbsp;<input type="text" name="address" value="'+ gFieldValue[i] + '"></td><tr></table><input type="hidden" name="thiscounter" value="' + thiscount + '">';
	htmlStr += '<input type="button" value="New Type" onClick="AddField()">';

return htmlStr;

}

and PHP code:

$blah=$_POST['thiscounter'];	
	$this=$_POST['myoptionpass'];
	for($z=0; $z<$blah; $z++)
	{

	print($this[$z]);

}

What I need to to do,is when i hit a submit button at the end it sends the values over to a php page, and that php code is used to get the values (of myoptions right now) as each field is added dynamically. The counter itself passes fine, but I cant get each individual myoptions to go through. Does anyone see what I am doing wrong? Do I need to create some sort of new array to hold the field values through each pass? I am at a loss and need to get this done asap! Please help! Thanks!

[nemonoman]

I've never had much luck with PHP catching variables created by dynamic javascript. Here's my workaround:

Using PHP or static HTML I create all the variables I want, many of them hidden.

<form name=myform method=post action=somefile.php>
<input type=hidden name=somevariable1>
<input type=hidden name=somevariable2>
...
etc
<input type=submit>
</form>

Then in my script, I either manipulate these hidden variables directly, or push script output into the hidden variables.

<script>
document.myform.somevariable1.value='ABC';
var myscriptvar='some'
myscriptvar=myscriptvar+'thing';
document.myform.somevariable2.value=myscriptvar;
</script>

On submit, $POST['somevariable1']=='ABC'
$POST['somevariable2']=='something'

[jediman]

Thats great and all, and i know what you mean. But right now, its when the php is getting the field inputs, its only getting the last entered value for that first field. The problem lies in the way my array is , and ive tried a few things and havent been able to get it working correctly. Thats what im trying to get at. With that code, i can have over 500 variables dynamically added, and i need it to be able to pass myoptions[1] for the first entered myoption field value, then the second, all the way to the 500th...thats what im not able to do,and im hoping someone sees a way to do that? Right now im trying to use the counter as the index for each var but its not working of course because of having more than 1 value.

I should also point out, javascript is on one page, and the php is in a seperate page.

[nemonoman]

I THINK that if you create a hidden value like this:

<input type=hidden name=somearray[]>

You can manipulate it via javascript as an array:

<script>
document.myform.somearray[0].value='abc';
</script.

(I THINK I remember that this works with hidden values, however this DEFINITELY works with Selects as I do this all the time)
<SELECT name=myselect[] multiple>

MAKE SURE TO REMEMBER TO MAKE such SELECTS 'multiple'

add to the form code something to select all options before submitting:
onsubmit='selectall(document.myform.myselect[])';

that function looks something like this:

function selectall(object){for(var i=0;i<object.options.length;i++){object.options.selected = true;}}

Only selected elements of an array are submitted to $_POST


NOTE I sometimes have trouble with javascript burping on a passing a reference to select by name ending in [], and so I pass it as document.myform.elements[0] (or [1], or [2] or whatever);

If you don't want the info visible, you can then set the document.myform.myselect.visible=false;

[jediman]

Man this forum seems kinda broken today but...

Tried it, and didnt seem to work... any way you could apply your example to my code cause maybe its something im doing wrong there...and maybe the php too. Cause i'll get stuff like the second character in the last field , etc instead of both fields. Its quite unnerving already. :-/

[jediman]

Ok got it partially working...problem occurs when i name myoptions myoptions[]
cause:

for (var k=0;k<getFieldValue.length;k++)
{
if(getFieldValue.length>1)
	getFieldValue[k]=formObj.myoptions[k].value;

else
getFieldValue[k]=formObj.myoptions.value;

dont like it!

Any reason why? I cant seem to figure it out, and that code is important cause it retains the values entered in the fields when i have a button press add a new field underneith dynamically.

[jediman]

Any takers? I cant figure it out, and I am hoping someone can?