PHP - Divide Multidimensional Array Into Many Arrays

Hello there I'm new and quite stuck. 

So here we go!

I have the following HTML form.
Code: [Select]
<form method="post" action="/Install/Step02/">
  Server: <input type="text" name="MySQL[Server]" /><br />
  Database: <input type="text" name="MySQL[Databaser]" /><br />
</form>

Now to my understanding I should receive something along the lines of $_POST['MySQL']=>array();.
But instead I get an empty string.

Why is this?
           

Hi,

I am building an online store, and have been using a tutorial to get me started.
I have been adjusting the code as I require additional functionality and I have hit a brick wall...

I have a multidimensional array that contains all of the information I have passed from the product page.
What I want to do is write a piece of PHP code that will increase the quantity of a particular item based on 2 of 3 variables matching the data in the array.
Below is the full working code which runs the adjustment based on...

Code: [Select]
<?php
if ($key == "item_id" && $value == $item_to_adjust) {
?>

What I want to do is add to the if statement like so...

Code: [Select]
<?php
if (($key == "item_id" && $value == $item_to_adjust) && (($key == "custom_txt" && $value == $custom_txt) || ($key == "img" && $value == $fileName))) {
?>

But this code doesn't seem to work, Is there another way to get the result I am after?

Code: [Select]
<?php 
//       Section 3 (if user chooses to adjust item quantity)
if (isset($_POST['item_to_adjust']) && $_POST['item_to_adjust'] != "") {

$item_to_adjust = $_POST['item_to_adjust'];
$custom_txt = $_POST['custom_txt'];
$fileName = $_POST['fileName'];
$quantity = $_POST['quantity'];
$quantity = preg_replace('#[^0-9]#i', '', $quantity); // filter everything but numbers
if ($quantity >= 100) { $quantity = 99; }
if ($quantity < 1) { $quantity = 1; }
if ($quantity == "") { $quantity = 1; }
$i = 0;
foreach ($_SESSION["cart_array"] as $each_item) { 
      $i++;
      while (list($key, $value) = each($each_item)) {
  if ($key == "item_id" && $value == $item_to_adjust) {
  // That item is in cart already so let's adjust its quantity using array_splice()
  array_splice($_SESSION["cart_array"], $i-1, 1, array(array("item_id" => $item_to_adjust, "quantity" => $quantity)));
  } // close if condition
      } // close while loop
} // close foreach loop
}
?>

Thanks in advance!
Richi

How do I find out how large a dimension of an array is?

I have an array with an X and a Y coordinate, and in the 3rd dimension I store it as the value of an ID.

so an array might be x,y,560; x,y,415, etc. I can run a counter within the loop to determine the total number of iterations of the loop, but that isn't an accurate picture of how large the 3rd dimension of the array is.
 

Suppose I have a multidimensional array...

$AnArray[1][$j]

I'd like to count how many $j

So if $AnArray = array(0 => array('orange', 'banana', 'apple'), 1 => array('carrot', 'collard', 'pea','tuna'));

The count I'm after would be 4...

I have an array titled $uhits that looks like this:

Array (
    => Array ( [user] => test
      [hits] => 20 )
   [3] => Array (
      [user] => test3
      [hits] => 6 )
   [4] => Array (
      [user] => test4
      [hits] => 6 )
   [1] => Array (
      [user] => test1
      [hits] => 4 ) 
   [2] => Array (
      [user] => test2
      [hits] => 4 ) )

I've searched and tried so many different functions and  am losing my mind after trying for 3 hours to be able to search for a specific user's value and then display it and the hits value.  How in the world can I achieve this?

Hi all

I have an array and within that array that list categories. Each category has a sub category.
I am trying to output in JSON and my problem is this:

I am looping through each category and displaying the results. As the category has sub categories I am then looping through them and displaying the sub categories.
This works fine, but my JSON is not valid because of a single comma:

Code: [Select]
{
   "config":{
      "logo":"uploads\/global_config\/scaled_",
      "deliveryCost":19.99,
      "showPrice":"true"
   }
},
"range":[
   {
      "title":"Classic",

      "doors":[
         {
            "id":19,
            "title":"Rembrandt"
         },
         {
            "id":66,
            "title":"Picasso"
         },
         {
            "title":"Heritage",
            "doors":[
               {
                  "id":29,
                  "title":"Broadway"
               },
               {
                  "id":30,
                  "title":"Draycott"

               },
 
               {
                  "title":"Regency",

                  "doors":[
                     {
                        "id":36,
                        "title":"Canterbury"
                     },
 
                     {
                        "id":47,
                        "title":"Exeter"
                     },      <---- this comma is failing my json

                  ],
                  "product":{
                     "glass":[
                        {
                           "id":7,
                           "title":"Pad"
                        },
                        {
                           "id":6,
                           "title":"Scroll"
                        }
                     ]
                  }
               }
My PHP:

<?php
    echo '{';
        $count = count($config) - 1;

        foreach($config as $key=>$conf)
        {
             $conf_price = $conf->getPrice() == '1';
                if($conf_price)
                     $conf_p = 'true';  else  $conf_p = 'false';
                        echo "\"config\"".":","";
                            $config_array = array('logo'=>strtolower(str_replace(' ','-','uploads/global_config/scaled_'.$conf->getImage1())), 'deliveryCost'=>$conf->getDeliveryCost(), 'showPrice'=>$conf_p);
                                if($key == $count){
                                    echo json_encode($config_array).","."\n";
                                } else {
                                    echo json_encode($config_array).'},'."\n";
                                }

       }
          echo json_encode("range").": [\n";

              $last_key = end(array_keys($categories));

              foreach ($categories as $key => $cat)
              {
                if ($key == $last_key)
                {
                    echo "{".   "\"title\"".':'.'"'.$cat->getTitle().'"'.","."\"src\"".':'.'"'."-".strtolower(str_replace('.png','*.png',(str_replace(' ', '-', 'uploads/ranges/scaled_'.$cat->getImage1())))).'"' .","."\"info\"".':'.'"'.strip_tags($cat->getDescription()).'"'.","."\n";
                } else {
                    echo "{".   "\"title\"".':'.'"'.$cat->getTitle().'"'.","."\"src\"".':'.'"'."-".strtolower(str_replace('.png','*.png',(str_replace(' ', '-', 'uploads/ranges/scaled_'.$cat->getImage1())))).'"' .","."\"info\"".':'.'"'.strip_tags($cat->getDescription()).'"'.","."\n";
                }

                            echo json_encode("doors").": [\n";

                                $count = count($cat->getAllDoorStyles()) - 1;
                                foreach ($cat->getAllDoorStyles() as $key=>$door)
                                {
                                     $array2 = array('id'=>$door->getId(), 'title'=>$door->getTitle(), 'src'=>strtolower(str_replace('.png','*.png',(str_replace(' ', '-', 'uploads/doors/scaled_'.$door->getImage1())))), 'price'=>$door->getPrice(), 'description'=>strip_tags($door->getDescription()));
                                     if($key == $count)
                                     {
                                         echo json_encode($array2).''."\n"."".",";
                                     } else {
                                            echo json_encode($array2).''."\n".""."";
                                     }
                                }
                        }
                   echo "\n";
                   echo "],"."\"Product:\"". '{ ';

                   echo json_encode("glass").": [\n";

                     $count = count($glass) - 1;
                     foreach($glass as $key => $glass_cat)
                     {
                     $glass_array = array('id'=>$glass_cat->getId(), 'title'=>$glass_cat->getTitle(), 'price'=>$glass_cat->getPrice(),'src'=>strtolower(str_replace('.png','*.png',(str_replace(' ', '-', 'uploads/glass_option/scaled_'.$glass_cat->getImage1())))));
                     if($key == $count)
                     {
                            echo json_encode($glass_array)."\n";
                     } else {
                            echo json_encode($glass_array).','."\n";
                     }
                    }
                    echo ']';

                             echo '}';
                             echo '}';

I need to omit the comma that is causing me my problem

All help welcomed

Hi everyone,

If you take a look at my code below I am having trouble echoing the key/ value pair of the 'sex' array which is a sub array of 'pens'.  I have tried so many different ways but to no avail, thanks Chris!

Code: [Select]
<?php
$products = array(
'paper' => array(
'copier' => "Copier & Multipurpose",
'inkjet' => "Inkjet Printer",
'laser'  => "Laser Printer",
'photo'  => "Photographic Paper"),

'pens' => array(
'ball'   => "Ball Point",
'hilite' => "Highlighters",
'marker' => "Markers",
'sex' => array (
'condom' => "Protection")),

'misc' => array(
'tape'   => "Sticky Tape",
'glue'   => "Adhesives",
'clips'  => "Paperclips") );

echo "<pre>";
foreach ($products as $section => $items )

foreach ($items as $key => $value)
echo "$section:\t$key\t($value)<br>";

echo "</pre>";
?>

Hi wondering if there's a simple way to merge or update the data from one array to another . I've tried merge data but it just adds additional records rather than merging them off one common key.   The array is just simply adding a name to another array the format of both is as follows   Array 1   [0] => stdClass Object
(
[name] =>
[market] => Football
[selection] => 7051575

)   )   Array 2   Array
(
[0] => stdClass Object
(
[name] => Something
[market] =>
[selection] => 7051575

) )     There are other fields but I'm just trying to merge the name from Array two into Array one using the selection as a common key. Is there an easy command like merge or do I have to loop thru the arrays to add the data.   Thanks

I'm very beginner with arrays.... i KNOW, databases exist, it's more easy.. I can't use a database.. I have to use, this.. or similar.. that doesn't requiring a database engine... 

So... that array...

array (
     array(string, int, int, string, string),
     array(string, int, int, string, string),
     array(string, int, int, string, string),
    ....+250
     array(string, int, int, string, string)

);

I search by the element [#][0].. in the +250 some will contain the same infos and I would like to make them point to the element containing the info instead of repeating it and have to update at 3-4 places when it's time. Like what it's in "10" also good for "ten", "dix" and "diez"...

anyway to make that simple?  by reference or...???

I'm crying.. last time I used arrays... Turbo Pascal.. at school... or was it Turbo C++ 3.0?? Maybe it was with cobol... well it was the good ol' time of the 90s!

 

Thanks!

 

-TRP-
 

 

 

Hi, I'm trying to explode an array into a multidimensional array using <br /> tags as splitters but just can't get the syntax right! I can do lines of the array one by one, but not the whole lot at once. I'd really appreciate a quick example of an explode inside an array.

$myarray looks something like this with print_r:
(
    [0] => 
    [1] => some_html<br />some_html<br />some_html<br />
    [2] => some_html<br />some_html<br />some_html<br />
    [3] => some_html<br />some_html<br />some_html<br />
)

and I want to turn it into this:
(
    [0] => 
    [1] =>
     [0]some_html
     [1]some_html
     [2]some_html
    [2] => 
     [0]some_html
     [1]some_html
     [2]some_html
    [3] =>
     [0]some_html
     [1]some_html
     [2]some_html
)

I've tried this
$myarray = explode ("<br />", $myarray);
but it doesn't work …

It doesn't matter too much if there's are a few empty lines in the array from the final <br /> tags.

Many thanks, as ever, for any help.

I have the following  array structu
Code: [Select]

[0] => Array
        (
            [id] => Array
                (
                    [$t] => http://www.google.com/mate/
                )

            [updated] => Array
                (
                    [$t] => 2011-08-31T11:43:05.942Z
                )

            [category] => Array
                (
                    [0] => Array
                        (
                            [scheme] => http://schemas.google.com/g/
                            [term] => http://schemas.google.com/contact/
                        )

                )

            [title] => Array
                (
                    [type] => text
                    [$t] => Name
                )

            [link] => Array
                (
                    [0] => Array
                        (
                            [rel] => http://schemas.google.com/contacts/2008/rel#edit-photo
                            [type] => image/*
                            [href] => https://www.google.com/mate/feeds/photos/media/
                        )

                    [1] => Array
                        (
                            [rel] => self
                            [type] => application/atom+xml
                            [href] => https://www.google.com/mate/feeds/contacts
                        )

                    [2] => Array
                        (
                            [rel] => edit
                            [type] => application/atom+xml
                            [href] => https://www.google.com/mate/feeds/
                        )

                )

            [gd$email] => Array
                (
                    [0] => Array
                        (
                            [rel] => http://schemas.google.com/g/2005#other
                            [address] => email_address@gmail.com
                            [primary] => true
                        )

                )

        )



I am tried to display name and email address.
I am using following method, can anyone tell me is there any better way? Thank u 4u help.
NAME
$name=( $emp_det[0]['title'][t]);
EMAIL
$email =( $emp_det[0]['gdemail'][0][address]);

I am looking at the code below:

Code: [Select]
$array = array(
                array(
                1, 2
          ),
          'a' => array(
                'b' => 1,
                'c'
        )
);       
Is this an example of a multidimensional array? If so how would I access the value of 1 from key b?

Also would the next line ('c') be automatically assigned to the asociative key of c?

Hi everybody,

I generally find any assistance that I need on various sites, but this one has me stumped. I'm not overly advanced with my use of arrays, so I'd like some help here if anyone knows what I am looking for.

I have a form that I would like to submit to a MySQL database. In that form, there is the ability to add up to 3 harddrives:
Code: [Select]
Brand: <input type="text" name="hdds[0][hddbrand]" id="hddbrand"><br/>
Model and/or size,type: <input type="text" name="hdds[0][hddtype]" id="hddtype"><br/>
SN: <input type="text" name="hdds[0][hddsn]" id="hddsn"><br/>
Notes: <input type="text" name="hdds[0][hddnotes]" id="hddnotes" size="50">
Obviously the next harddrive would be hdds[1][hddbrand], etc.

I am having an awful time looping through this to get more than 1 harddrive's information, however. I've tried foreach embedded in foreach and been messing around with this for a good 3-4 hours now and I feel like I am just missing something.

I've got this right now to debug:
Code: [Select]
foreach($_POST['hdds'] as $key => $a) {
$hddbrand = $a['hddbrand'];
}
my print_r($a) comes up with the following:
Code: [Select]
Array ( [hddbrand] => Toshiba [hddtype] => Shaba 500gb [hddsn] => 5fu8bvw4 [hddnotes] =>none ) 1
Good. That's what I want. But I need some help constructing my array/loop to get the values of more than 1 drive should I have to enter information for more than 1 drive.

I feel like I am close, but I am just not getting what I need. I have not had to work with multidimensional arrays before and they are proving to be more trickier than I expected. Any help would be enormously appreciated!

Patrick

I need to extract data from a CSV file and insert it into a MySQL database. I am able to extract the data, however I cannot figure out how to group it.

Sample File:
01   ISBN  Name of Book   Price
02   ISBN  Name of Book   Price

So far I have an array with the entire file (reading file with PHP):

Array ([0] => 01 [1] => 12345678X [2] => Title [3] => 120.00 ...etc.

How can I modify the array to create groups of four for each item? Each item is its own array?

I've been working on some code to:
1. Search a db for rows that have a particular "position" value
2. Search the same db for rows that have a particular "langs" value
3. Compare the two arrays resulting for 1 and 2
4. Create a multidimensional array $langsarray[langs][question id] if 3 is true.
5. For each langs array in $langsarray pick a random, non-duplicate value and add it to $qarray for a maximum of 12 elements (3 for each langs).

What I have works about 95%.

The problem is, in the first langs array, one of the 3 randomly picked values is almost always empty, and its not always the same element. Sometimes its the first, sometimes its the third, sometimes its the second...

I think I've narrowed down the issue to line 44 ($qtemp = ...). If I change the min/max values for the mt_rand function, it behaves slightly differently. Any help is much appreciated! Thanks in advance.

Code:
//Include MYSQL class and authentication information
require_once('./include/mysql.php');
require_once('./include/global.php');

//Grab apptype from URL querystring
$apptype = $_GET['apptype'];

//Declare arrays
$qarray = array();
$posarray = array();
$langs = array();
$langsarray = array();

//Get id's of all questions pertaining to position type
$sql = 'SELECT * FROM qa WHERE position = "' . $apptype . '"';
$result = $db->query($sql) or die(mysql_error());
while ($row = $result->fetch()) {
$posarray[] = $row['id'];
}

//Determine what types of questions should be pulled
if ($apptype == 'fed'){
$langs = array('html','css','javascript','jquery');
}
else if($apptype == 'bed'){
$langs = array('php','asp','javascript','jquery');
}

//Get each question of each language that matches the position type and store it in the multidimensional array $langsarray[language][question id]
$z = 0;
while ($z < count($langs)){
$sql = 'SELECT * FROM qa WHERE langs = "' . $langs[$z] . '"';
$result = $db->query($sql) or die(mysql_error());
while ($row = $result->fetch()) {
if (in_array($row['id'],$posarray)){
$langsarray[$langs[$z]][] = $row['id'];
}
}

//Takes a random question id from the current language ($z) and adds it to the final question array.
$y = 0;
while ($y < 3) {
//$qtemp = $langsarray[$langs[$z]][mt_rand(0,count($langsarray[$langs[$z]]))];
$qtemp = $langsarray[$langs[$z]][mt_rand(0,count($posarray))];

if (!in_array($qtemp,$qarray)){ 
$qarray[] = $qtemp;
echo $qtemp . ', ';
$y++;
}
}
echo $langs[$z];
print_r( $langsarray[$langs[$z]]); echo '<br />';
$z++;
}
        echo '<br />';
print_r($qarray);


Output:

5, , 2, htmlArray ( => 1 [1] => 2 [2] => 3 [3] => 4 [4] => 5 )      <--Problem
7, 6, 9, cssArray ( => 6 [1] => 7 [2] => 8 [3] => 9 [4] => 10 )
14, 15, 13, javascriptArray ( => 11 [1] => 12 [2] => 13 [3] => 14 [4] => 15 )
21, 17, 20, jqueryArray ( => 16 [1] => 17 [2] => 18 [3] => 19 [4] => 20 [5] => 21 )

Array ( => 5 [1] => [2] => 2 [3] => 7 [4] => 6 [5] => 9 [6] => 14 [7] => 15 [8] => 13 [9] => 21 [10] => 17 [11] => 20 )   <-- Final $qarray