PHP :: Sorting Multi Dimensional Array

Multi Sorting Multi Dimensional Array?
I have been using usort to sort my multi dimensional arrays ...

function cmp($a, $b){
if($a[0] == $b[0]){
return 0;
}
return ($a[0] < $b[0]) ? -1 : 1;
}
usort($searchResults, 'cmp');

Which works fine, but I need to sort by one element in the array, then
another, preserving the previous sort.

lets say the array is as follows:

array[0] = array[0] = foo
[1] = 2
[1] = array[0] = foo
[1] = 0
[2] = array[0] = bar
[1] = 1
[3] = array[0] = bar
[1] = 0
[4] = array[0] = foo
[1] = 1
[5] = array[0] = bar
[1] = 2

Initially, I sort the array in to groups based on array[?][0] using
usort as above so the output is :

foo, 2
foo, 0
foo, 1
bar, 1
bar, 2
bar, 0

Next though, I would like to sort this output by number (array[?][1])
in the groups so that the output is :

foo, 0
foo, 1
foo, 2
bar, 0
bar, 1
bar, 2

Is this possible? I am completely at a loss as to how to do this ...

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Sorting Multi-dimensional Array
Sorting multi-dimensional array

I have this array:

Array
(
[0] => Array
(
[account] => 263
[counter] => 1
)

[1] => Array
(
[account] => 324
[counter] => 5
)

[2] => Array
(
[account] => 972
[counter] => 3
)

[3] => Array
(
[account] => 1316
[counter] => 3
)

[4] => Array
(
[account] => 1380
[counter] => 1
)

[5] => Array
(
[account] => 1880
[counter] => 2
)
)

I need to sort by the key [counter], how can I do that?

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Multi-dimensional Array Sorting
I need some help sorting an array, same in structure as:

Array
(
[assoc1] => Array
(
[key1] => value
[key2] => value
[key3] => value
)

[assoc2] => Array
(
[key1] => value
[key2] => value
[key3] => value
))

What I want to do is sort the array by the value in say the key2 "column". Depending on input, the value to sort by may be key3 or some other key.

I've looked at array_multisort(), but I'm not sure how I can specify what exact column I want to sort by, without affecting the rest.

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Sorting A Multi-Dimensional Array
I have an array that prints like this:

Array (
[dist] => Array (
[0] => 1.0
[1] => 0.2
[2] => 0.9
[3] => 1.0
)
[loc] => Array (
[0] => Dean Playground Park
[1] => Eckhart Park
[2] => Pulaski Park
[3] => Skinner Park
))

I would like to sort this array by DIST but have the keys match up, IE Code:

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Sorting An Associative Multi-Dimensional Array
I would like to sort array below using the last array of a multi-dimensional array. PHP Code:

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Sorting Multi-Dimensional Arrays
I have a multidimensional array:
$austin[$athletics, $braves, $cardinals, $drays, $mets, $rangers, $royals]

Each sub array is defined like this:
$athletics[teamname, wins, losses, ties, points]
(where wins, losses ties and points are intialized to 0)

Now how do I sort the $austin array by team points after
they have been populated?

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Sorting Multi Dimensional Arrays.
I am writing a meta search engine script and each results gets a score based on a number of factors. What I'm trying to do is sort the results with the highest score first, ready for output.

So the Array looks like this

array(2) {
[0]=> array(4) {
[Title]=> "My site"
[Description]=> "whatever"
[Url]=> "url.com"
[Score]=> "200"
}
[1]=> array(4) {
[Title]=> "My site2"
[Description]=> "whatever"
[Url]=> "url.com"
[Score]=> "223"
}
}

Obviuosly there are more than 2 results in real life, but is there anyway to sort the array so My Site2, with a score of 223 will appear first?

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Question About Sorting Multi Dimensional Arrays
i am trying to krsort by date in a multi dim array. i hope i put this correctly (but i have included the php function i made for converting xml to array:

so each sub array is labelled according to the date which then in turn becomes the name of the key in the multi array, but when sorted, any duplicate dates are replaced by the most recent...

function index2array()
{
$dom = new DomDocument();
$dom->load(INDEX) or die('Failed to load ' . INDEX . '.');
global $mArray;
$items = $dom -> getElementsByTagName('item');
$dates = $dom -> getElementsByTagName('date');
$titles = $dom -> getElementsByTagName('title');
$links = $dom -> getElementsByTagName('link');
$descriptions = $dom -> getElementsByTagName('description');
$keywords = $dom -> getElementsByTagName('keywords');
$mArray=array();
$numberOfItems = $dates -> length;
for ($i = 0; $i < $numberOfItems; $i++)
{
$a_name = $dates -> item($i) -> textContent;
$$a_name = array
(
'id' => $items -> item($i) -> getAttribute('id'),
'title' => $titles -> item($i) -> textContent,
'link' => $links -> item($i) -> textContent,
'description' => $descriptions -> item($i) -> textContent,
'keywords' => $keywords -> item($i) -> textContent
);
$mArray[$dates -> item($i) -> textContent] = $$a_name;
}
}

i'm trying to make my own news CMS and wont actually have duplicate date entries in my xml but i still want it to be solid...

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Sorting And Comparing Multi-dimensional Arrays
i'm building a pseudo-shopping cart for a client of mine. i say 'pseudo' because there is no database or cms backend for this system. all the items will be hard-coded in HTML forms. the shopping cart items will be stored entirely in a session as any normal shopping cart handles them. Code:

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Processing Data From Multiple Multi-line Textareas Into A Multi-dimensional Array
I know that this sounds like something overly complex - because it is.
However, if I can keep the user interface the way it is, my users will
be ultra happy! That is the goal...

In general, this is an inventory receiving piece of an overall larger
web-based ERP system.

What I have is a form in which I have a dynamic number of multline
textareas for inputting (possibly barcode scanning in) many serial
numbers per line item recieved.

For example:
lineitem01 = widget01; qtyReceived = 2;
lineitem02 = widget02; qtyReceived = 3;
lineitem03 = widget03; qtyReceived = 10;

This would display a form that will generate 3 textarea elements (1
per lineitem received). Inside each textarea element will be input the
serial numbers for each of the widgets received per lineitem. i.e. 2
serial numbers will be entered for widget01; 3 for widget02; and 10
for widget03;

So, what I am trying to do is pass this data over, possibly as a multi-
dimensional array to another form ( or possibly $_SERVER['PHP_SELF'] ) to update a MySQL database to store the widget/serial numbers.

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Sorting A Two Dimensional Array
I have an array, thus:

Array (
[0] => Array ( [Freq] => 28 [Name] => Tomato )
[1] => Array ( [Freq] => 4 [Name] => Banana )
[2] => Array ( [Freq] => 54 [Name] => Orange )
[3] => Array ( [Freq] => 24 [Name] => Eggplant )
[4] => Array ( [Freq] => 5 [Name] => Courgette )
[5] => Array ( [Freq] => 4 [Name] => Apple )
)

I would like to be able to sort it either by the Frequency or the Name
of the fruit or vegetable.

I just can't seem to get it to work. I'm sorry - I realise that this is
probably really easy but my brain isn't working today and the examples
on php.net seem incomprehensible to me.

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Sorting Two Dimensional Array
I have a two dimensional array that I need to sort based on a total of values in the second dimension. The top level array has a part number and another array as its elements. The second array consists of defect types and defect quantity corresponding to the part number. I am able to sort the second defect array by defect type (so whichever type has the highest quantity shows up first) but I am not sure how to sort so that the parts with the highest total defects are first. Essentially I need to sort based on the total quantities in the second array, but I am not sure how to do that on the fly. Here is a print_r of the array.

Part#101 Array ( [Scratches] => 6 )
Part#102 Array ( [Scratches] => 174 [Handling] => 22 [Supplier Mold Defect] => 9 [Dirt] => 9 )
Part#103 Array ( [Scratches] => 167 [Dirt] => 116 [Handling] => 4 [Water Spots] => 3 [Supplier Mold Defect] => 1 )
Part#104 Array ( [Scratches] => 20 [Supplier Mold Defect] => 4 )

After sorting the part order should be:
Part#103 (291 total defects)
Part#102 (214 total defects)
Part#104 (24 total defects)
Part#101 (6 total defects)

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Assigning A Multi-dimensional Array To & From A Session Variable Loses The Array
I have created a multidimensional array and then assigned that array to a session variable so that I can use it easily on another page. However, when I go to the array later, there's never anything in it. Code:

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Does Php Have A Multi Dimensional Array?
Does php have a multi dimensional array?

So eg. $someData[i][j]

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Multi-dimensional Array
I have a function that loops through email addresses and checking them to see if they are valid. if the email address is valid i want to add it to the $validEmails array, and if its invalid i want to add it to the $invalidEmails array. BUT, in order to return this data from a function it will need to be a multi-dimensional array.

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Multi Dimensional Array
Here is my array. PHP Code:

$playerarray = Array ( [0] => Array ( [Player1] => jimmydee2 [Reg] => 1 [Rank] => 3 [Rating] => 1490 [Checkedin] => Checked In [Wins] => 0 [Losses] => 0 ) [1] => Array ( [Player1] => bob2 [Reg] => 2 [Rank] => 1 [Rating] => 1738 [Checkedin] => Checked In [Wins] => 0 [Losses] => 0 ) )

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Multi-dimensional Array For Checkbox
Can there be a multi-dimensional array for checkboxes?

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How Can I Sort A Multi-dimensional Array?
How can I sort a multi-dimensional array?

For instance:
a[Name], a[adress], a[number of messages].

How to sort on the item of number of messages?

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Multi-Dimensional Array Question
Can you have a multi-dimensional array like this?

$Test[0]['Fname'] = "John";
$Test[0]['Lname'] = "Doe";

Or do you have to use only numbers?

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Building Multi Dimensional Array
I am trying to build a multi dimensional array from an unsorted array. I have an array made up of the lines in a text file, each line is a comma seperated set of fields. The first two fields are the lines id and it's parents id; eg Line ID, Parent ID, Data

1, 1 , one
2, 2, two
3, 3, three
4, 1, four
5, 4, five
6, 1, six
7, 2, seven

I am trying to build a multi dimensional array so that the final array would look like;

-- one
---- four
------ five
---- six
-- two
---- seven

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Make A Multi-dimensional Array
I am trying to make a multi-dimensional array. I am having trouble adding to the array. What I mean by that is using the array_push() function. Does anyone know how to add to a multi-dimesional array?Ex.

$somearray = array("1" => array("This is one"));

#The line above works. how can I add

"2" = > array("This is two");

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Sessions And A Multi-dimensional Array
I'm writing a shopping cart w/ Sessions and a multi-dimensional array. I am only storing product id and qty (for right now, but decided on the multi-dimensional array for expansion purposes - storing customer instructions, etc.) I have come up with two paths, but can't decide which is better.

1. storing info based on product id:
...[cart][$prod_id] = array("qty" => $qty)

This, of course would allow for easy product checks: if ([cart][$prod_id]) {...}, but unless I store the $prod_id in the prod_id array as well, I'd be forced to use foreach(array_expression as $key => $value) when displaying the cart (as I also want the product id displayed next to the product name)

2. storing info based on item number:
...[cart][] = array("id" => $prod_id, "qty" => $qty)

This makes for more code when checking if the product is already in the cart (multiple foreach statements), but should allow the cart to be displayed more easily and logical.

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Printing From A Multi-dimensional Array
I have to create a multidimensional array that data for a bank will be stored in then from that array I will print it. My boss said to first program it like i am recieving the array. Then later he will have me create the array.

Order multidimensional Array I will recieve will be arranged in and the printed like this. Code:

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Create Multi Dimensional Array
$miles_zip = array();

foreach ($subzip as $key => $value) { //3

$miles = $z->get_distance( $zipCode, $key);

$miles_zip[$i] = $miles ;
$i++;
} //3

$count = count($miles_zip) ;

for ($i = 0; $i < $count; $i++)
echo " $miles_zip[$i]<br> ";

I am trying to put $key and $miles in a multi dimensional array. I have tried different ways, it is not working. All I see online is syntax of creating static multidimensional arrays. Can somebody guide me how can I create a dynamic one.

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Multi Dimensional Array Sort
I am trying to sort a multi dimensional array. I need all elements of the first dimension sorted in descending order based on the fourth element of the second dimension. The elements are not named(only 0-X), but what i need is array[x][4] to be sorted.

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Sort Multi-dimensional Array
does anyone know how i can sort a multi-dimensional array by a specific field ?

for example i want to sort arr[m][n] where n=2,

but i need the data of every array to follow that order. Code:

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Sort A Very Big Multi-dimensional Array
I'm trying to sort a very big multi-dimensional array, up to 10 dimensions and having a heck of a time getting it to work.

I've tried using usort , creating a compare function and strcmp, but it just ends up being an even bigger mess.

Maybe I am making it more complicated than it really is, or maybe it's just too complicated. Code:

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Searching Through A Multi-dimensional Array
I'm trying to do some searching through an array, and append one of the pieces. I am working creating one, complete array w/ all the information from two different databases. So when I query each table, I create a multi-dimensional array like this: Code:

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Invert Multi Dimensional Array
I have a form that runs through a database and outputs values like this: PHP Code:

for ($i=0, $n=sizeof($order->products); $i<$n; $i++) {
echo '<input type="hidden" value="'.$order->products[$i]['qty'].'" name="qty[]">'
Â Â Â echo '<input type="hidden" value="'.$order->products[$i]['name'].'" name="name[]">'
Â Â Â echo '<input type="hidden" value="'.$order->products[$i]['final_price'].'" name="price[]">'
}

I need to rearrange the posted result, after submitting the form, so that I have an array containing "qty, name, price" for each line, instead of "qty, qty, qty, qty, qty" and "name, name.etc".

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Finding Elements Of An Array In Another Multi-dimensional Array
So I have 2 arrays:
one contains userids. It may look like:
user_id[0] =12,
user_id[1] =30,
user_id[2] =43

The other is a multi-dimensional array with fields like:
user_info [0] = Array
(
[user_id] =13
[user_flag] =1
[url] =http://www.example.com?index,0
)
user_info[1] =Array
{
Array
(
[user_id] =120
[user_flag] =1
[address] =1234 Main St, Anytown, USA
[url] =http://www.yahoo.com
)
user_info[2] =Array
{
Array
(
[user_id] =130
[user_flag] =1
[address] =134 Main St, Anytown, USA
[url] =http://www.google.com
)

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Multi-dimensional Array Not Working Correctly???
I know this is going to be something totally stupid that I just can't see. I have a two dimensional arrray. The first index is a 0 based incremented int, and the other index is either an 'l' or a 'w'. Look what's happening:

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Multi-Dimensional Array - Using Array_search Or Array_keys
Let's say I have the following multidimensional array:

$foodtypes = array (
"Fruit" => array ("Apple", "Pear"),
"Vegetable" => array ("Lettuce", "Eggplant", "Pepper"),
"Meat" => array ("Beef", "Pork"));

Assuming that $food = 'Eggplant', How do I find what foodtype it belongs to? I know the following works, but I know there must be a better way to do this, like using array_search or array_keys. I can't get anything other the following to work though. Code:

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Parsing All Multi-Dimensional Array Combinations
I am trying to build a dynamic table structure with multi-dimensional arrays. The first dimension is being pulled from the databse and can be refferred to as an attribute. The second dimension is also created on the fly by db, and can be reffered to as variations. I have tried using array_walk as well as using a recursive function that allows me to step through each of the various array combinations.

For example I may have 2 attributes; Color & Size. Color has 3 variations (Red, Green, Blue). Size has 4 varitions (Small, Medium Large, X-Large). Basically I am trying to build something like this:

Color Size
Red Small
Red Medium
Red Large
Red X-Large
Green Small
Green Medium
Green Large
Green X-Large
Blue Small
Blue Medium
Blue Large
Blue X-Large

The biggest problem with this, however, is that it needs to be dynamic enough that an attribute (like sleeve length: Short sleeve - Lon sleeve, etc...) can be added without changing the code.

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Filtering The Elements Of A Multi-dimensional Array
I would like to be able to filter every element of a multi-dimensional array
using htmlspecialchars() and to retain the structure of the array. I can't
see how to do this when I don't know how many dimensions the array has.

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Adding A Entry Into A Multi-dimensional Array
I make an SQL call to a DB and gather some info. In the following case, I have 2 elements in the array (HERO_ID #1 and #2) I then want to add a third element to to the array, but I just cant seem to grasp the concept. I always seemed to have trouble grasping the concept of arrays in programming classes for some reason. Code:

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How To Declare A Global Multi Dimensional Array?
i cant figure this one out... this code declares a 1d array global. however i need a multid array to be global.... global $list_U001;

since i need a maximum of only 99 arrays...i could decklare those like that and construct the variable from counter ...but i dont know how to construct a "dynamic variable"....

global $list_U001;
global $list_U002;
global $list_U003;
etc...

for(i++)

$list_U00.'$i'.[]

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Selecting 1 Field From A Multi-Dimensional Array
I want to know how do I select just 1 field from a Multi-Dimensional Array.
I know how to select all the fields, by using the following format:

<?php
foreach($fields as $key => $val){
echo $val;
}

But how can I do a similar thing, but to just select 1 specific field, not all of them?

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Return All Possible Combinations For A Multi-dimensional Array
I need a function that will return all possible combinations for a multi-dimensional array. For example, PHP Code:

$elements = array();
$elements[] = array(11,12,13);
$elements[] = array(14,15,16);
$elements[] = array(17,18,19);

I need the function to return an array that looks this this: PHP Code:

$arrReturn = array(
   0 => array(11,14,17),
   1 => array(11,14,18),
   2 => array(11,14,19),
   3 => array(11,15,17),
   4 => array(11,15,18) ... etc

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MySQL Query Into Multi-dimensional Array
Basicly, What im trying to do is have it so I have a multi-dimensional array so like the first "Dimension" is the row and the second "Dimension" is the collumn. Code:

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Populating Multi Dimensional Array From Queries
I am trying to populate a multidimensional array with a simple (categories > sub_categories) I get the categories into the array just fine but I can't figure out how to populate the sub_categories as array belonging to the first categories array; I am close. Code:

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Multi-dimensional Array: Order Does Matter?
I have a multi-dimensional array (stored in a cookie) containing the sort values for different categories: Code:

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Array Sorting Blues....2 Dimensional Array
I have a 2 dimensional array where one col contains a Unix style date and the other contains a filename. I read through a directory to get this info. I can load the array and print it out just fine, but I can't seem to sort it using any of the sort functions! I want to reverse sort them, since they are news stories that I want to display in the correct order by date. When I try to sort I get a "Warning: Cannot compare arrays or objects" message. I have the feeling it's something stupid on my part but can't find any good examples anywhere.

Anyone have an idea about this?

P.S. I know a database would solve this but sadly it's not an option for me right now...

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Turn Array Into Multi-dimensional Array?
How can I take an existing array and turn it into a multi-dimensional array? I want to get a single row out of a MySQL table and have it in an array, but have along side the values the true field (column) length for each of the fields from the table. Here's my stab at it:

$userDetails = mysql_fetch_array($resultID);
$i = 0;
while ($i < mysql_num_fields($resultID))
{
$userDetails[$i][2] = mysql_field_len($resultID, $i);
$i++;
}

And I guess the follow up question (if this is indeed possible) is will this work with a multi-row return from the DB also?

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Encoding / Decoding Multi Dimensional Session Array
Can you encode and decode multi-dimensional arrays? I think encoding them works just fine using session_encode(), however, session_decode is only capable of decoding the single dimensional arrays stored in the encoded string...

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Making Mysql Result Into Multi-dimensional Array
My php problem is I want to make the result of 3 tables linked through foreign keys into a 3-dimensional array that reflects their relationship without repetition and without having to call the database more three times.

I know I'm doing a couple of things wrong, one thing for instance is initializing a variable at the end of the loop to remember the previous value s that it does not repeat itself, surely there must be a more elegant way to go about this, but I'm lost and I've been stuck on this all day. Code:

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Multi-dimensional Array Search/replace Function
I am trying to write a search/replace function to go through a multi-dimensional array. Code:

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Multi-Dimensional Array - Get The Data In An Orderly Fashion From A DB
I am new to MD arrays and especially when trying to get the data in an orderly fashion from a DB with this. I need to retrieve the data into an array for my function as such

PHP Code:

$answer = array();
$answer[1] = array("A" => "Because a pencil is cheap", "B" => "Because everyone uses a pencil");
$answer[2] = array("A" => "Mining", "B" => "Logging");

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Cannot Change Values Of A Multi-dimensional Session Array
Big problem I've been struggling with for almost 2 days:

I'm trying to build a "blind" validation routine that will take any kind of form elements and validate them for empty as well as varying content. This routine is called on submit and is based upon data stored in a number of multi-dimensional $_Session arrays like this: Code:

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Multi-Dimensional Arrays - Arrray That Holds An Array Of 2 Different Id Numbers
okay, i need to make a arrray that holds an array of 2 different id numbers, $catagory_id and $subcatagor_id are both variables inside a loop that take on a different number each loop. I want to put those number inside an array, each one being it's on array, but I need those numbers to be inside another array that I can call to find another array that will be inside that same array: sounds confusing, but basically, I have a table with ID's each id is assigned a catagory and and a sub catagory, each id is unique but there could be multiple id's under the same sub_cat and cat. So, i need the array to be set up so that I could call all id's that have a certain cat and subcat number:

echo ("$idnumber[$cat_id][$subcat_id]");

something like that, can anyone help?

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Pushing Data Into A Multi-dimensional Array From Mysql Results
First, A result array I'd want to get could look like this:

$chart['chart_data'] = array (
array ( "Region A", 10,12,11,15,20,22,21,25,31,32,),
);

The first is "Region A" and the rest is just int's that I'd pull from the db, so to set it I'd do this:

$chart [ 'chart_data' ][ 0 ][ 0 ] = "Region A";

But the problem is when I want to insert the data in the while loop (like the 10,12,11,15...), I've tried array_push but it's not working, maybe it doesn't work with multi-dimensional arrays? Anyways, here.'s what I tried, the following inside the "while" to loop the mysql results with mysql_fetch_assoc:

while($r=mysql_fetch_assoc($res)) {

$chart [ 'chart_data' ][ 0 ][ 0 ] = array_push($chart['chart_data'][0][0], $r['wght']);
// the above line is where I have problems ^^
}

What I want is on each loop to insert the fetched data inside the array so that it gives what I gave first at the top, but what I've written above doesn't work, it gives me a warning saying "first argument must be an array" which seems to be one, but anyway, anybody know how to do this?

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Sorting Multi Dimensional Array

I have a multi dimensional array which has gone out of whack and I need to sort it, but am having trouble. I have an array $dateOrders as such: Code: