Remove Duplicate Values From Multidimensional Array?

Aug 30, 2010

We can use array_unique() for remove duplicate entry from a single multidimensional array in php.Is it possible to use with multidimensional array? Here's what the array looks like

Array (
[0] => Array ( [0] => 1001 [1] => john [2] => example )
[1] => Array ( [0] => 1002 [1] => test [2] => dreamz )
[2] => Array ( [0] => 1001 [1] => john [2] => example )
[3] => Array ( [0] => 1001 [1] => example [2] => john )
[4] => Array ( [0] => 1001 [1] => john [2] => example )
)

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Remove Duplicate Values From A Multidimensional Arrays?

Mar 27, 2010

i need to remove duplicating values.

Array ( [0] => Array ( [0] =>
* garfield calicut
Address: tanil nadu chennai0696955666
About Company: re stored.
[1] => 0.0004 [2] => 0 ) [1] => Array ( [0] =>

[code]....

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Remove Duplicate Keys From Multidimensional Array

Dec 26, 2010

I have a rather large array that contains data for all of the forums on a message board, unfortunately I am running into an issue where I am having repeat entries for some keys. The array is ordered in an hierarchy by parents, which is why it gets deep at some points.

Array
(
[0] => Array
(
[cat_data] => Array()
[forum_data] => Array

[Code]....

The subforums on the forum id 6 are repeated as subforums for forum id 2. I need to remove the repeated keys that are in the lowest level of the array. So in this example, I would like to keep 15 and 16 as subs of 6 but remove them as subs of 2.

Just a note, I am writing an application for the board, I am not generating the array, it is generated by the board, that is why I can't remove the duplicates while the array is being created.

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Highlight Duplicate Values In A Multidimensional Array?

Sep 11, 2009

I'm outputting a list of purchases, and I want to automatically highlight the presence of duplicate orders.Here's what the array looks like. The first two orders are duplicate orders place by mistake. You'll notice that the orderid for each is different, while the email and userid remain the same. So the duplication will need to match on email and / or userid, but not on orderid.

array
0 =>
array
'orderid' => string '2009091008261662'[code]...

How can I search for duplicate orders from the same person in a given array, in PHP? I would like to output the above like so:

(pretend its in a table)

2009091008261662 - john@example.com - 53

2009091008261048 - john@example.com - 53

2009091008262025 - fred@example.com - 103

2009091008272082 - tom@example.com - 392

... so basically just highlight the two ( or more ) duplicates.

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Find Duplicate Entry In A MultiDimensional Array Then Sum The Values In A Specific Key Of That Array?

Apr 28, 2011

I have an array that was created from a CSV file. The array contains the following. Basically it has four lines and six columns. I.E. it is multi dimensional.

Array (
[1] => Array (
[WBS Element] => 1234567.01
[Proj System Status] =>[code]....

You will notice that one of my keys "WBS Element" has a value in it where the first ten characters might match another row in the array. What I need to accomplish is to take any row where the first ten characters of the "WBS Element" match and sum the other columns together so that the result is a aggregated array with the same columns but no rows with the first ten characters matching.I ahve gotton a column summerization to work but I can't figure out to search an array for "matching" keys then combine those together by summing.

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Remove Duplicate Values From An Array?

Nov 21, 2008

How can I remove duplicate values from an array in PHP?

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Remove Duplicate Values In An Array

May 11, 2011

I want to remove duplicate values from an array.

Here is my array

$arr=array([0]=>123,[1]=>223,[2]=>323,[3]=>123,[4]=>223);

For removing duplicate values, I used array_unique() function, but it still shows the same array.

Is there any method to solve this problem?

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Remove Duplicate Values From A Array?

Jun 19, 2009

How do you remove duplicate values from an array?

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Remove Duplicate Values From Case-insensitive Array?

Jun 5, 2011

I found a few solutions but I can't decide which one to use. What is the most compact and effective solution to use php's array_unique() function on a case-insensitive array?

Example:

$input = array('green', 'Green', 'blue', 'yellow', 'blue');
$result = array_unique($input);
print_r($result);

Result:

Array ( [0] => green [1] => Green [2] => blue [3] => yellow )

How do we remove the duplicate green? As far as which one to remove, we assume that duplicates with uppercase characters are correct.

e.g. keep PHP remove php

or keep PHP remove Php as PHP has more uppercase characters.

So the result will be

Array ( [0] => Green [1] => blue [2] => yellow )

Notice that the Green with uppercase has been preserved.

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Web Development - Remove Duplicate Values From An Array And Count Occurrence?

Aug 5, 2009

How to remove duplicate values from an array in PHP and count the occurrence of every element? I have this array

foo
bar
foo

I want the result to be in array like this

[code]...

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Merge Duplicate Array Keys In A Multidimensional Array?

Jan 29, 2010

I have a multidimensional array called $songs, which outputs the following:

Array
(
[0] => Array
(
[Michael Jackson] => Thriller
)

[Code]....

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Remove Duplicate Items In An Array?

Feb 18, 2011

I use the line of code below to loop through a table in my db,$items_thread = $connection -> fetch_all($sql);


And if I print the array out,
print_r($items_thread);
I will get this,

[code]...

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Remove Duplicate Objects From An Array?

Feb 21, 2011

I've been using array_unique to remove duplicate values from arrays but it doesn't seem to work if the values are objects that are stdClass instances.

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Remove Duplicate Strings From Array

Jul 31, 2009

Does anyone know how I would go about searching through an array for repeated values and return the one with the smaller index? For example:

$array[0]= "timmy";
$array[1] = "joe";
$array[2] = "elmo";
$array[3] = "clarissa";
$array[4] = "joe";

I need a function that will return "1" if I do findrepeatlowerindex("joe"); In addition, I would like it to not be case sensitive ( :o ), if at all possible.

[code]...

how I could go about doing this?

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Rank Array Values With Duplicate Values And Skipping Some Positions If There Is A Tie?

May 28, 2011

I am working on a Database that manipulates college students exam results. Basically, I am pulling the records from a MySq Database, puling one class at any given time. I want to rank rank the students, with the highest perfomer at number 1.Here is an illustration;

Marks: 37, 92, 84, 83, 84, 65, 41, 38, 38, 84.

So I want to capture mysql data as a single array. Once I have the data in an array, I should then assign each student a position in the class such as 1/10 (number 1, the 92 score), 4/10 etc. Now the problem is that if there is a tie, then the next score skips a position and if there are 3 scores at one position then the next score skips 2 positions. So the scores above would be ranked as follows;

92 - 1
84 - 2,
84 - 2,
84 - 2,
83 - 5,...........

The grading system requires that the number of positions (ranks, if you will) will be maintained, so we ended up with 10 positions in this class since positions 3, 4, 5 and 9 did not have any occupants. (The alternative of filling every number will have given us only 8 positions!)

Is it possible (humanly possible /php possible) to use PHP to rank the scores above in such a way that it can handle possible ties such as 4 scores at one position? SADLY, I could not come up with a function to do this. I need a PHP function (or something ... PHP) that will take an array and produce a ranking as above.

Any help will be deeply appreciated, though I think I may be asking for too much. If it's possible to do this with MySQL query data without having it in an array, then that will also be helpful!

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Replace Duplicate Values In Array With New Randomly Generated Values?

May 8, 2010

I have below a function (from a previous question that went unanswered) that creates an array with n amount of values. The sum of the array is equal to $max.

function randomDistinctPartition($n, $max) {
$partition= array();
for ($i = 1; $i < $n; $i++) {
$maxSingleNumber = $max - $n;

[Code]....

For example: If I set $n = 4 and $max = 30. Then I should get the following.

array(5, 7, 10, 8);

However, this function does not take into account duplicates and 0s. What I would like - and have been trying to accomplish - is to generate an array with unique numbers that add up to my predetermined variable $max. No Duplicate numbers and No 0 and/or negative integers.

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Searching Multidimensional Array For Values Then Outputting Other Values In Array?

Oct 12, 2010

I'm wondering how I might go about searching the array below for the key problem_id and a value equal to a variable which I would provide. Then, when it finds an array with a the matching key and variable, it outputs the other values in that part of the array too. For example, using the sample data below. How would you recommend that I search the array for all the arrays that have the key problem_id and the value 3 and then have it output the value of the key problem_update_date and the value of the key problem_update_text. Then keep searching to find the next occurrence?

[Code]...

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Remove All Sub Arrays For Multidimensional Array

Nov 16, 2009

What is a simple mode, in PHP, to remove all the sub arrays of a multidimensional array? What I want is to remove all the sub arrays but the top one.

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Remove Duplicates In MultiDimensional Array

May 27, 2009

Does anyone know of a way to remove duplicates which have the same same value? I tried array_unique but it doesn't quite work on multidimensional arrays, though I read up on some comment that it does work in php 5.2.9. I'm using MAMP with php 5.2.6. I pretty much want this array

[Code].....

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Search And Remove From Multidimensional Array?

Sep 25, 2010

If I a value ID equals 1 and search an array I like to remove from the array itself where ID is 1 if found.

Array (
[0] => Array
(
[id] => 1
)
[1] => Array

[Code]....

I am using search_array, and I am assuming that because it is multidimensional it isn't finding it. Is there a way to search an array like above?

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Remove Parent In Multidimensional Array?

Mar 7, 2010

What's the best way to remove the parent of a matched key in an Multidimensional Array? For example, let's assume we have the following array and I want to find "[text] = a" and then delete its parent array [0]...

(array) Array
(
[0] => Array
(
[text] => a

[Code]....

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Remove An Element From A Multidimensional Array?

Nov 10, 2009

I have this code to add new elements to a multidimension array:

$this->shopcart[] = array(productID => $productID, items => $items);

So how do i remove an element from this array? I tried this code, but its not working:

public function RemoveItem($item)
{
foreach($this->shopcart as $key)
{

[Code].....

I get this error:

Warning: Illegal offset type in unset in C:xampplitehtdocskatrinelundclassesTillRepository.php on line 50

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Remove Item From Multidimensional Array?

May 21, 2010

Lets sat I have a multidimensional array. call it $my_array....

Print_r($my_array) gives: -

Array
(
[parent]=>Array
(
[child]=>Array
(

[Code]....

It's the child items I want to deal with. It won't always have both items, it may have only 1 or more. I want to look for any child item who's [name] key includes the string "This", and if found remove that whole child item (in this case $my_array -> parent -> child -> 0) and then fix the indexing again so they start at 0 and increment OK.

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Remove Arrays Whose Multidimensional Elements Don't Appear In Another Array?

Mar 17, 2011

I have a multidimensional array called $item_list:

[CODE....]

I have another array from a different database (hence, no SQL solution) called $id_list which holds the $item_list IDs that I want to keep:

Array
(
[0] => 12
[1] => 14
)

Is there a way I can remove $item_list[1] by comparing $item_list[1]['id'] against the elements in $id_list without manually iterating over the $item_list arrays using foreach() or similar?

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Remove Duplicates From Multidimensional Array Based On Key

Apr 11, 2011

I have a multidimensional array ($array) in which the entries look like:

[code]...

I need to be able to remove any duplicate values in $array based on the key. So if my array was:

$array = array( ["upload/example.gif"] => etc....
["upload/tree.gif"] => etc....
["upload/example.gif"] => etc....)

I would be able to remove one of the ["upload/example.gif"] => etc.... arrays. I have tried:

$array = array_map('unserialize', array_unique(array_map('serialize', $array)));

but that didn't work

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Loop Through MultiDimensional Array And Remove Certain Keys?

Apr 10, 2010

I've got a nested tree structure which is based on the array below:

Array
(
[1] => Array
(
[id] => 1
[parent] => 0

[Code]....

It can be used to remove a key any where in the array, but only based in one thing, for example remove all keys where "parent" equals "23". But I need to find and remove (unset) all keys where "basename" is null AND where child isn't an array or where the array is empty.

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Searching Multidimensional For Values Then Outputting Other Values In Array?

Oct 12, 2010

I've spent the entire day googling and reading and to be honest I think I'm really over my head and need the assistance of someone experienced to advise the best way to go! I have a multi dimensional array that looks like (see below); the array is created by CodeIgniter's database library (the rows returned from a select query) but I think this is a generic PHP question as opposed to having anything to do with CI because it related to working with arrays.

I'm wondering how I might go about searching the array below for the key problem_id and a value equal to a variable which I would provide. Then, when it finds an array with a the matching key and variable, it outputs the other values in that part of the array too.

For example, using the sample data below. How would you recommend that I search the array for all the arrays that have the key problem_id and the value 3 and then have it output the value of the key problem_update_date and the value of the key problem_update_text. Then keep searching to find the next occurrence?

Output of print_r($updates);
CI_DB_mysql_resultObject
(
[conn_id]=>Resourceid#30

[code]....

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Tell If An Array Has Duplicate Values Or Not?

Feb 13, 2010

I simply want to generate an array of random numbers and I also want to have no more than one instance of any numbers.

What I am thinking is having a a loop to fill in the array with random numbers and then checking the elements to see if there are any duplicates and if there are any, generating a new set.

My search led me to array_count_values(). It looks like I can use it and check if any of the result array elements has a value bigger than 1.

Is there a simpler way or a function for this check? (I just need to know if there are duplicates in an array or not, no removes, no replaces and such)

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Getting Duplicate Key Values In Array?

Mar 22, 2010

For some reason when trying to populate an array I am not getting the desired result. In the first part I create an array of arrays, the key of each has a name such as "Biology Education". But when I then populate that same array it doesn't for some reason use the same array element but a new one.

So part 1 results in an array with 13 array elements (empty). After part 2 has run the array has 26 array elements, with the first 13 empty and the other 13 populated as wanted.

The reason why I want to work is that the first 13 array elements are sorted. The last 13 are jumbled.

Why is this happening and how can I correct it?

// PART 1
// Create array of research areas
$research_result = db_fetch_array($research['research_query_result']);
$research['areas'] = explode("
", $research_result['options']);

[Code]....

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Return Duplicate Values From An Array

Nov 1, 2006

I have quite a large array. I want to search the array and return a result where the same value appears more than once within the array.

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Clear Duplicate Values Out Off Array?

Feb 3, 2011

I m trying to suss this for a while now scratching my head. I am adding links to a SESSION array here is my code.

session_start();
$test = $_GET;
$_SESSION['value'][]=$test;
echo "<pre>";
//print_r($_SESSION);
echo "</pre>";
$turn = $_SESSION['value'];
foreach (array_reverse($turn) as $value) {
$furl = "[URL]urlencode($value['tune_name']);............

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Filter Out Duplicate Values In Array?

Aug 27, 2010

filter out only duplicate values in array using php.Consider,

$arr1 = array('php','jsp','asp','php','asp')

Here I would prefer to print only

array('php'=>2,
'asp'=>2)

tried it by

print_r(array_count_values($arr1));

but, its getting count of each element.

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Detect Duplicate Values In Array?

Jul 23, 2009

I am working with a one dimensional array in PHP. I would like to detect the presence of duplicate values, then count the number of duplicate values and out put the results. For example, given the following array:

$array = array('apple', 'orange', 'pear', 'banana', 'apple',
'pear', 'kiwi', 'kiwi', 'kiwi');

I would like to print:

apple (2)
orange
pear (2)
banana
kiwi (3)

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Find Duplicate Array Values?

Aug 2, 2009

I have an array of IDs - they're Soccer Player IDs to be specific, chosen by a user on a web form. It's possible that they might pick the same player more than once, and I'd like to report this to them as an error.

So, I know I can remove duplicates by using array_unique. And I can then compare the number of items in each array to find out if there were duplicates. But, how can I find out what the duplicate values were?

I guess I can iterate through the unique array, and count how many times each value appears in the original. It seems like a long-winded approach.

PHP Code:

function check_for_duplicates ($player_1, $player_2, $player_3, $player_4, $player_5, $player_6, $player_7, $player_8, $player_9, $player_10, $player_11) {
//Put the Player IDs into an array
$chosen_players = array($player_1, $player_2, $player_3, $player_4, $player_5, $player_6, $player_7, $player_8, $player_9, $player_10, $player_11);

[Code]....

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Make An Array When There Are Duplicate Values?

Oct 25, 2009

I have data that contains links for a navigation bar. It should be structured exactly like an unordered list, with a header and then all of the corresponding links below that header. I cannot seem to build this correctly. This would be some sample data from the database.

[Code].....

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Getting Values In The Duplicate Key Values In Array To Add To Each Other

Mar 29, 2011

my code is like this

// $t = new ProjectProgressDao();
// $progressValues = $t->getRecords($projectId);
foreach ($progressValues as $Values) {
$weekStartingDays[$this->CalculateWeekStartDate($Values->getDate())] = $Values->getWorkCompleted();
}

Basically what i want is???

[Code]....

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Ranking Duplicate Array Values - With A Twist?

May 28, 2011

I am retrieving data from mysql whick=h I need to rank from highest to lowest. I am thinking of retreaving it as a single array by using a user-defined function. The ranking becomes tricky if there are duplicates. Let me illustrate with an example;

[Code]...

if there is a tie, the numbers tying are assigned the number, and the next position is skipped to preserve postions because at the end of the day, the number of positions should equal the number of scores, as illustrated above. My question is, is it possible to use PHP to that kind of ranking assuming we have the scores as an array? Can someone help me write a function that can do this and which is robust enough to handle duplicate values in the manner illustrated above? Could it be that PHP CANNOT do this kind of manipulation?

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Count The Duplicate Values In The Array And Display?

Oct 28, 2010

Code: [Select]foreach ($items as $product ) {
echo $product;
?><input type="text" size="2" value="<?php
\displayquantityhere
?>" name="quantity" /><?php
}

$items is an array. It has multiple values, some duplicate. How do i count the duplicate values in the array and display in this foreach loop?

i know array_count_values($product) but putting that in the foreach loop won't accomplish what i want.

another thing. i can get the foreach loop to not display duplicates by doing this

[Code]...

basically i want it to display the quantity without displaying duplicate rows.

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Sort Duplicate Values Of An Array By Another Array?

Feb 15, 2011

I'd like to sort an array of numbers (while maintaining the indexes) in a descending order.

The thing is that if there are duplicate values, I'd like them to be sorted by the matching values in a second array.

For instance, if the array is:

0 => 13,
1 => 21,
2 => 15,
3 => 21

And the second array is:

0 => 3,
1 => 2,
2 => 7,
3 => 4

Then I'd like 3 => 21 to come before 1 => 21, because the matching value of index 3 in the second array is bigger than index 1 (4 > 2). So the final sorted array would be:

3 => 21,
1 => 21,
2 => 15,
0 => 13

The actual purpose of this is as follows:

Figure a poll. Every user has to rank the options from 1 to X (X = number of options).

If a user ranks the an answer as the first rank, it gets X points, the second one gets X-1, and so on.

So the first array is actually the score of each option (the index is the option's id).

The second array is the number of users who ranked the option first (the index is the option's id, matching to the indexes in the first array).

So when there are two or more options with the same score, the one that has more first rank votes is ranked higher.

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Add All The Values Of This Multidimensional Array Or Turn It Into An Array By Its Values?

Mar 13, 2010

The array is here:

Array ( [0] => 0 ) Array ( [0] => 0 ) Array ( [0] => 1 [1] => 6 [2] => 0 )

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Find Item In Multidimensional Array By Name And Return The Values Which Are In The Same Array?

Apr 27, 2011

I have a multidimensional array like this one:

array(3) {
[1]=> array(7) {
["label"]=> string(43) "I would like to receive PCN for ETXexpress:"
["name"]=> string(48) "ilts_I_would_like_to_receive_PCN_for_ETXexpress:"[code]....

How can I get an array inside it by its name? Let's say: From the array that contains:

ilts_I_would_like_to_recieve_PCNs_for_microETXexpress® the value wert ?

It is important for me, not to point to it by the number in the array.What is the best way, to do this?

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Count The Duplicate Values In Array And Display In Foreach Loop?

Oct 28, 2010

foreach ($items as $product ) {
echo $product;
?><input type="text" size="2" value="<?php
\display quantity here
?>" name="quantity" /><?php
}

$items is an array. It has multiple values, some duplicate. How do i count the duplicate values in the array and display in this foreach loop?

i know array_count_values($product) but putting that in the foreach loop won't accomplish what i want.

another thing. i can get the foreach loop to not display duplicates by doing this

foreach (array_unique($items) as $product ) {
echo $product;
?><input type="text" size="2" value="<?php
\display quantity here
?>" name="quantity" /><?php
}

[Code]....

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Accessing Array Values Inside A Multidimensional Array

Aug 2, 2007

I need to access a value which is inside in a multidimensional array...

Suppose there is a form and where I takes all the form values inside an array named access..and I post the values into a different array.

$registrationArray = $_POST['access'];

Now I need to loop through this registration array and get values printed to the new variables...

Suppose this is the array $access = array (fname,lname,date,year,month)

How do I print the date,year,month values into different variable by looping through registration array..

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Removing Empty Array Values From A Multidimensional Array?

Jun 30, 2011

I was wondering if anyone could help me out, I have a multidimensional array and I need the values removed if they're empty (well, set to 0). Here's my array:

Array
(
[83] => Array
(
[ctns] => 0

[code]....

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Multidimensional Array From Known Key Values?

Oct 10, 2010

I have a collection of keys in this massive flat single array I would like to basically expand that array into a multidimensional one organized by keys - here is an example:

'invoice/products/data/item1'
'invoice/products/data/item2'
'invoice/products/data/item2'

[code]...

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