I have and array that is being produced from a webservice.
Array (
[TPA_Extensions] => Array (
[TPARoomDetail] => Array (
[GuestCounts] => Array (
[GuestCount] => Array (
[!AgeQualifyingCode] => 10
[!Count] => 1
)
)
[!Occupancy] => Single
[!OccupancyCode] => SGL
)
)
[!IsRoom] => true
[!Quantity] => 1
[!RoomType] => Palace Gold Club Room
[!RoomTypeCode] => PGC
)
My foreach loop is as below
foreach ($roomType["TPA_Extensions"]["TPARoomDetail"]["GuestCounts"]["GuestCount"] as $guestcount) {
echo "guest count1->";print_r($guestcount);
echo "guest count2->"; print_r($roomType["TPA_Extensions"]["TPARoomDetail"]["GuestCounts"]["GuestCount"]);
}
The output i get is
guest
count1->10 guest count2->Array ( [!AgeQualifyingCode] => 10 [!Count] => 1 )
guest count1 should have been an array
Array ( [!AgeQualifyingCode] => 10 [!Count] => 1 ) but it comes as an int 10 ..
why is that so ..?
Your output is correct, $guestcount holds the number '10',
where $roomType["TPA_Extensions"]["TPARoomDetail"]["GuestCounts"]["GuestCount"]
hold an array.
this is your loop:
foreach ($roomType["TPA_Extensions"]["TPARoomDetail"]["GuestCounts"]["GuestCount"] as $guestcount) {
echo "guest count1->";print_r($guestcount);
echo "guest count2->"; print_r($roomType["TPA_Extensions"]["TPARoomDetail"]["GuestCounts"]["GuestCount"]);
}
ths loop will run 2 times, because that's the number of childs in GuestCount array.
it will be '10', then '1', exactly reflecting the structure of your array:
[!AgeQualifyingCode] => 10
[!Count] => 1
Theres nothing wrong in the code as 1st index holds integer value and 2nd index holds array. However your method of accessing array value are very complicated and doesn't looks good. You an access the array values and keys in more effective manner as follows.
1)Create a method that takes path of the array you want to access
For example According to your code if I want to access AgeQualifyingCode key than I have to write $roomType["TPA_Extensions"]["TPARoomDetail"]["GuestCounts"]["GuestCount"]["AgeQualifyingCode"].
This doesn't looks good, wouldn't it be great if you just have to pass the path of key you want to access the value to.
For example: /TPA_Extensions/TPARoomDetail/GuestCounts/GuestCount/AgeQualifyingCode
You just have to define a function that takes the path of the key, and will return value for that key
<?php
function path($path=null){
if($path){
$array = $theNameOfOriginalArray
$path = explode('/',$path);
foreach($path as $sub){
if(isset($array[$sub])){
$array = $array[$sub];
}
}
return $array;
}
}
$value = path('TPA_Extensions/TPARoomDetail/GuestCounts/GuestCount/AgeQualifyingCode');
//will return 10
?>
Related
This question already has answers here:
Find highest value in multidimensional array [duplicate]
(9 answers)
Closed 5 years ago.
i need to get the the max or highest value in a multi dimensional array.
here is my array $array:
[pay] => Array
(
[0] => Array
(
[title] => Array
(
[name] => 'hi'
)
[payment] => Array
(
[amount] => 35
[currency] => USD
)
)
[1] => Array
(
[title] => Array
(
[name] => 'lol'
)
[payment] => Array
(
[amount] => 50
[currency] => USD
)
)
[2] => Array
(
[title] => Array
(
[name] => 'ok'
)
[payment] => Array
(
[amount] => 30
[currency] => USD
)
)
)
i need to get the max value for amount which is 50. how can i do that?
here is what i tried but it did not work:
$max = -9999999; //will hold max val
$found_item = null; //will hold item with max val;
foreach($array as $k=>$v)
{
if($v['Total']>$max)
{
$max = $v['Total'];
$found_item = $v;
}
}
Simple as this one-liner. Get the payment column data, then pull the amount data from that generated array, then get the max value. Done and done. (Sorry it took me so long -- I had to convert your posted array to a usable php array.)
Input:
$array=["pay" => [
["title"=>["name"=>'hi'],"payment"=>["amount"=>35,"currency"=>"USD"]],
["title"=>["name"=>'lol'],"payment"=>["amount"=>50,"currency"=>"USD"]],
["title"=>["name"=>'ok'],"payment"=>["amount"=>30,"currency"=>"USD"]]
]
];
Method #1 (Demo):
echo max(array_column(array_column($array["pay"],"payment"),"amount"));
Method #2 (Demo):
$max=0;
foreach($array["pay"] as $subarray){
if($max<$subarray["payment"]["amount"]){
$max=$subarray["payment"]["amount"];
}
}
echo $max;
Method #3 (Demo):
$payments=array_column($array["pay"],"payment"); // declare payments array
rsort($payments); // sort by amount DESC
echo $payments[0]["amount"]; // access the first amount value
Output:
50
The benefits to method #1 are: code brevity, no condition statements, no global variable declarations/overwriting, just straight to the max value. What's not to love!
If method #1 is too scary, you can go with my method #2 (which was first posted by aendeerei). I don't prefer it because it requires the extra steps of initializing the $max variable, performing a conditional check on each iteration, and overwriting the $max variable when appropriate. Actual performance on the foreach loop is going to depend on the size of your array, but the difference between the two methods is going to be unnoticable to humans.
Method 3 might be my new favorite because there are no conditionals and just two functions before it is accessed purely by keys. However, it does require the declaration of a partial copy of the input array which must be sorted. Anyhow, take your pick -- it's all the same outcome.
Use Usort and get the 1st index
$arr= array
(
array
(
'payment' => array
(
'amount' => 35,
'currency' => 'USD'
)
),
array
(
'payment' => array
(
'amount' => 50,
'currency' => 'USD'
)
),
array
(
'payment' => array
(
'amount' => 80,
'currency' => 'USD'
)
)
);
function sortAmount($x, $y) {
return $y['payment']['amount'] - $x['payment']['amount'];
}
usort($arr, 'sortAmount');
echo "<pre>";
$highest=$arr[0];
print_r($highest)
//for value only
$highest=$arr[0]['payment']['amount'];
Working fiddle
http://phpfiddle.org/main/code/p5hw-ivei
$max = 0;
foreach ($array['pay'] as $key => $item) {
$amount = $item['payment']['amount'];
if ($amount > $max) {
$max = $amount;
}
}
echo $max;
Shorthand:
$result = array_reduce($array['pay'], function($a, $b){
return $a ? ($a['payment']['amount'] > $b['payment']['amount'] ? $a : $b) : $b;
});
var_dump($result['payment']['amount']);
Try this hope this will be helpful. Here we are just using simple foreach to get it done.
Solution 1:
try this code snippet here
$max=0;
foreach($yourArray["pay"] as $value)
{
if($max<$value["payment"]["amount"])
{
$max=$value["payment"]["amount"];
}
}
echo $max;
Solution 2:
Just for testing purpose i have converted you array to json. Here we are using array_column two times to get the columns
Try this code snippet here
$internals=array_column($yourArray["pay"],"payment");//retrieving payments
$amounts=array_column($internals, "amount");//retrieving amounts
arsort($amounts);
print_r(array_values($amounts)[0]);
Consider this example with an array named pay. You can adapt this method for your own array. This code will work for an array of n elements. Here I consider 3 as the number of elements in the array named $pay. You can replace the max elements in the array in the place of 3 for controlling the loop control variable 'i'.
$big=$pay[0];
for($i=1; $i<3; $i++){
if($pay[i]>$big)
$big=$pay[i];
}
echo $big;
I hope this is what you are looking for. Ask for any clarification.
I have the following loop that creates an array
while($row1 = mysqli_fetch_assoc($result1))
{
$aliens[] = array(
'username'=> $row1['username'],
'personal_id'=> $row1['personal_id']
);
}
It produces the following result
Array (
[0] =>
Array ( [username] => nimmy [personal_id] => 21564865 )
[1] =>
Array ( [username] => aiswarya [personal_id] => 21564866 )
[2] =>
Array ( [username] => anna [personal_id] => 21564867 )
Then I have another loop as follows, inside which, I need to fetch the personal_id from the above array. I fetch it as follows.
foreach($aliens as $x=>$x_value)
{
echo $aliens['personal_id'];
//some big operations using the
$aliens['personal_id']; variable
}
However, I can't get the values if personal_ids. I get it as null. What seems to be the problem? How can I solve it?
You have an array of "aliens", each alien is an array with personal_id and username keys.
foreach ($aliens as $index => $alien) {
echo $alien['personal_id'], PHP_EOL;
}
The foreach loop iterates its items (aliens). The $alien variable represents the current iteration's item, i.e. the alien array.
foreach($aliens as $x=>$x_value)
{
echo $x_value['personal_id'];
//some big operations using the
$x_value['personal_id']; variable
}
As a newbie, does anyone have any good tutorials to help me understand different levels of an array? What I'm trying to learn is how to echo different levels, e.g. here is the output array:
Array
(
[meta] =>
Array
(
[total_record_count] => 1
[total_pages] => 1
[current_page] => 1
[per_page] => 1
)
[companies] =>
Array
(
[0] =>
Array
(
[id] => 291869
[url] => https://api.mattermark.com/companies/291869
[company_name] => gohenry.co.uk
[domain] => gohenry.co.uk
)
)
[total_companies] => 1
[page] => 1
[per_page] => 1
)
And here is the code to parse the array:
foreach($jsonObj as $item)
{
echo $item['total_companies'];
}
I'm really struggling to find the structure and how to output each items, e.g. tried things like:
echo $item[0]['total_companies'];
echo $item['companies'][0]['id'];
Any help or pointers would be greatly received.
Well, Lets start, You have a multi-dimensional array. For a multi-dimensional array you need to use looping e.g: for, while, foreach. For your purpose it is foreach.
Start with the array dimension, Array can be multi-dimension, Like you have multi-dimension. If you have an array like below, then it is single dimension.
array(
key => value,
key2 => value2,
key3 => value3,
...
)
Now, How can you know what is a multi-dimension array, If you array has another array as child then it is called multi-dimensional array, like below.
$array = array(
"foo" => "bar",
42 => 24,
"multi" => array(
"dimensional" => array(
"array" => "foo"
)
)
);
Its time to work with your array. Suppose you want to access the value of company_name, what should you do?? Let your array name is $arr.
First you need to use a foreach loop like:
foreach($arr as $key => $val)
The keys are (meta, companies, total_companies...), they are in the first dimension. Now check if the key is company_name or not, if it matches than you got it. Or else you need to make another loop if the $val is an array, You can check it using is_array.
By the same processing at the last element your loop executes and find your value.
Learning
Always a good idea to start with the docs:
arrays: http://php.net/manual/en/language.types.array.php
foreach: http://php.net/manual/en/control-structures.foreach.php
As for tutorials, try the interactive tutorial over at codecademy: https://www.codecademy.com/learn/php
Unit 4 has a tutorial on arrays
Unit 11 has a lesson on advanced arrays.
Your code
As for your code, look at the following which I will show you your array structure and how to access each element. Perhaps that will make things clearer for you.
So lets say your array is named $myArray, see how to access each part via the comments. Keep in mind this is not php code, I'm just showing you how to access the array's different elements.
$myArray = Array
(
// $myArray['meta']
[meta] => Array (
// $myArray['meta']['total_record_count']
[total_record_count] => 1
// $myArray['meta']['total_pages']
[total_pages] => 1
// $myArray['meta']['current_page']
[current_page] => 1
// $myArray['meta']['per_page']
[per_page] => 1
)
// $myArray['companies']
[companies] => Array (
// $myArray['companies'][0]
[0] => Array (
// $myArray['companies'][0]['id']
[id] => 291869
// $myArray['companies'][0]['url']
[url] => https://api.mattermark.com/companies/291869
// $myArray['companies'][0]['company_name']
[company_name] => gohenry.co.uk
// $myArray['companies'][0]['domain']
[domain] => gohenry.co.uk
)
)
// $myArray['total_companies']
[total_companies] => 1
// $myArray['page']
[page] => 1
// $myArray['per_page']
[per_page] => 1
)
As for your for each loop
foreach($jsonObj as $item)
{
echo $item['total_companies'];
}
What the foreach loop is doing is looping through each first level of the array $jsonObj, so that would include:
meta
companies
total_companies
page
per_page
Then within the curly braces {} of the foreach loop you can refer to each level by the variable $item.
So depending on what you want to achieve you need to perhaps change your code, what is it you're trying to do as it's not really clear to me.
As for the code within the loop:
echo $item['total_companies'];
It won't work because you're trying to access an array with the index of total_companies within the first level of the $jsonObj array which doesn't exist. For it to work your array would have to look like this:
$jsonObj = array (
'0' => array ( // this is what is reference to as $item
'total_companies' => 'some value'
)
)
What you want to do is this:
foreach($jsonObj as $item)
{
echo $jsonObj['total_companies'];
}
As for your final snippet of code:
echo $item[0]['total_companies'];
Answered this above. Access it like $jsonObj['total_companies'];
echo $item['companies'][0]['id'];
If you want to loop through the companies try this:
foreach($jsonObj['companies'] as $item)
{
// now item will represent each iterable element in $jsonObj['companies]
// so we could do this:
echo $item['id'];
}
I hope that all helps! If you don't understand please make a comment and I'll update my answer.
Please take a look in to here and here
Information about php arrays
Try recursive array printing using this function:
function recursive($array){
foreach($array as $key => $value){
//If $value is an array.
if(is_array($value)){
//We need to loop through it.
recursive($value);
} else{
//It is not an array, so print it out.
echo $value, '<br>';
}
}
}
if you know how deep your array structure you can perform nested foreach loop and before every loop you have to check is_array($array_variable), like :
foreach($parent as $son)
{
if(is_array($son))
{
foreach($son as $grandson)
{
if(is_array($son))
{
foreach($grandson as $grandgrandson)
{
.....
......
.......
}
else
echo $grandson;
}
else
echo $parent;
}
else
echo $son;
}
hope it will help you to understand
Most likely I'm doing this wayyyyyy too complicated. But I'm in the need of converting multiple arrays to multidimensional array key's. So arrays like this:
Array //$original
(
[0] => 500034
[1] => 500035 //these values need to become
//consecutive keys, in order of array
)
Needs to become:
Array
(
[50034][50035] => array()
)
This needs to be done recursively, as it might also require that it becomes deeper:
Array
(
[50034][50036][50126] => array() //notice that the numbers
//aren't necessarily consecutive, though they are
//in the order of the original array
)
My current code:
$new_array = array();
foreach($original as $k => $v){ //$original from first code
if((gettype($v) === 'string' || gettype($v) === 'integer')
&& !array_key_exists($v, $original)){ //check so as to not have illigal offset types
$new_array =& $original[array_search($v, $original)];
echo 'In loop: <br />';
var_dump($new_array);
echo '<br />';
}
}
echo "After loop <br />";
var_dump($new_array);
echo "</pre><br />";
Gives me:
In loop:
int(500032)
In loop:
int(500033)
After loop
int(500033)
Using this code $new_array =& $original[array_search($v, $original)]; I expected After loop: $new_array[50034][50035] => array().
What am I doing wrong? Been at this for hours on end now :(
EDIT to answer "why" I'm trying to do this
I'm reconstructing facebook data out of a database. Below is my own personal data that isn't reconstructing properly, which is why I need the above question answered.
[500226] => Array
(
[own_id] =>
[entity] => Work
[name] => Office Products Depot
[500227] => Array
(
[own_id] => 500226
[entity] => Employer
[id] => 635872699779885
)
[id] => 646422765379085
)
[500227] => Array
(
[500228] => Array
(
[own_id] => 500227
[entity] => Position
[id] => 140103209354647
)
[name] => Junior Programmer
)
As you can see, the ID [500227] is a child of [500226], however, because I haven't got the path to the child array, a new array is created. The current parentage only works to the first level.
[own_id] is a key where the value indicates which other key should be its parent. Which is why the first array ([500226]) doesn't have a value for [own_id].
If you want to do something recursively, do it recursively. I hope that's what you meant to do.
public function pivotArray($array, $newArray)
{
$shifted = array_shift($array);
if( $shifted !== null )
{
return $this->pivotArray($array, array($shifted=>$newArray));
}
return $newArray;
}
$array = array(432, 432532, 564364);
$newArray = $this->pivotArray($array, array());
Edit: After the question's edit it doesn't seem to be very relevant. Well, maybe someone will find it useful anyway.
My array structure is
Array
(
[customer_id] => Array
(
[0] => Array
(
[customer_id] => 123
)
)
[menu_item_net_price] => 1700
[menu_item_tax_price] => 4%
[menu_item_gross_price] => 1700
[provider_id] => 123
)
I need to get the value of [customer_id] => 123. Tell me how can I do that?
Still my problem is not solved so I am posting code:
$data['customer_id'] = $this->session->userdata('id');
$data['menu_item_net_price']= $netPrice;
$data['menu_item_tax_price']= '4%';
$data['menu_item_gross_price']= $netPrice;
$data['provider_id']= 123;
echo '<pre>';
print_r($data);
echo '</pre>';
exit(0);
Just go through your array step by step until you are at the needed property.
$arr[ 'id' ][ 0 ][ 'customer_id' ]
Either
$array["id"][0]["customer_id"]
or if you want to get all customers' ids, use foreach
foreach($array["id"] as $index => $data) {
$customer_id = $data["customer_id"]
}
There are two approach to get the value of customer_id.
1. If you array is dynamic and you are not sure, what will be the key value, you can use key or array_keys function of php. Then you can retrieve it.
array['id'][$key]['customer_id']
for multiple keys, you can use foreach loop.
2.If is static array, then you can get it direct.
array['id'][0]['customer_id']