Okay I'm quite experienced with C# but am very new with PHP so please bear with me.
I have an existing array that looks a bit like this
Array
(
[0] => Array
(
[author] => Gavin
[weighting] => 2743
)
[1] => Array
(
[author] => Bob
[weighting] => 2546
)
[2] => Array
(
[author] => Gavin
[weighting] => 2227
)
)
Now what I want to do is loop through that and end up with a new array that has 2 keys (Gavin and Bob) and Bob's value is 2546 while Gavin's is 4970.
Right now I have this which nearly works but the last author gets a duplicate value and I can't sort it?
if (array_key_exists($authorName, $Authors)) {
foreach ($Authors as $key_name => &$key_value) {
if ($key_name == $authorName)
{
$key_value = $key_value + $weight;
}
}
}
else {
$Authors[$authorName] = $weight;
}
What am I doing wrong here?
This should do the trick
$newarray = array();
foreach($yourarray as $a) {
//create array if not created
if(!isset($newarray[$a['author']])) {
$newarray[$a['author']] = 0;
}
//put value in array
$newarray[$a['author']] += $a['weighting'];
}
$Authors = array();
foreach($array as $entry) {
if ( array_key_exists($entry['author'], $Authors) ) {
$Authors[ $entry['author'] ] += $entry['weighting'];
} else {
$Authors[ $entry['author'] ] = $entry['weighting'];
}
}
See it here in action: http://codepad.viper-7.com/LUx1r5
Related
I need to create path structure, with the values that I am getting from the array:
Array
(
[machineAttribute] => Array
(
[0] => TTT 1000 S
[1] => TTT 1100 S
)
[technicalAttribute] => Array
(
[0] => Certificate
[1] => Software
)
[languageAttribute] => Array
(
[0] => English
[1] => Spanish
)
)
So, I need to create path that looks like this:
Array
(
[0] => TTT 1000 S/Certificate/English
[1] => TTT 1000 S/Certificate/Spanish
[2] => TTT 1000 S/Software/English
[3] => TTT 1000 S/Software/Spanish
[4] => TTT 1100 S/Certificate/English
[5] => TTT 1100 S/Certificate/Spanish
[6] => TTT 1100 S/Software/English
[7] => TTT 1100 S/Software/Spanish
)
This is a perfect scenario and I was able to solve this with nested foreach:
if (is_array($machineAttributePath))
{
foreach ($machineAttributePath as $machinePath)
{
if (is_array($technicalAttributePath))
{
foreach ($technicalAttributePath as $technicalPath)
{
if (is_array($languageAttributePath))
{
foreach ($languageAttributePath as $languagePath)
{
$multipleMachineValuesPath[] = $machinePath . '/' . $technicalPath . '/' . $languagePath);
}
}
}
}
}
return $multipleMachineValuesPath;
}
But, the problem begins, if the array returns mixed values, sometimes, single value, sometimes array. For example:
Array
(
[machineAttribute] => Array
(
[0] => TTT 1000 S
[1] => TTT 1100 S
[2] => TTT 1200 S
)
[technicalAttribute] => Certificate
[languageAttribute] => Array
(
[0] => English
[1] => Spanish
)
)
Then the array should look like:
Array
(
[0] => TTT 1000 S/Certificate/English
[1] =>TTT 1000 S/Certificate/Spanish
[2] => TTT 1100 S/Certificate/English
[3] => TTT 1100 S/Certificate/Spanish
)
I wrote code, but it is really messy and long and not working properly. I am sure that this could be somehow simplified but I have enough knowledge to solve this. If someone knows how to deal with this situation, please help. Thank you.
You can convert any single value to array just by
(array) $val
In the same time, if $val is already array, it will be not changed
So, you can a little change all foreach
foreach((array) $something....
If you need something simple, you can convert your scalar values to array by writing simple separate function (let name it "force_array"). The function that wraps argument to array if it is not array already.
function force_array($i) { return is_array($i) ? $i : array($i); }
//...
foreach (force_array($machineAttributePath) as $machinePath)
{
foreach (force_array($technicalAttributePath) as $technicalPath)
{
foreach (force_array($languageAttributePath) as $languagePath)
{
$multipleMachineValuesPath[] = $machinePath . '/' . $technicalPath . '/' . $languagePath;
}
}
}
return($multipleMachineValuesPath);
You can do this way also without messing up. Just create the Cartesian of your input array and finally implode the generated array with /. Hope this helps :)
<?php
function cartesian($input) {
$result = array();
while (list($key, $values) = each($input)) {
if (empty($values)) {
continue;
}
if (empty($result)) {
foreach($values as $value) {
$result[] = array($key => $value);
}
}
else {
$append = array();
foreach($result as &$product) {
$product[$key] = array_shift($values);
$copy = $product;
foreach($values as $item) {
$copy[$key] = $item;
$append[] = $copy;
}
array_unshift($values, $product[$key]);
}
$result = array_merge($result, $append);
}
}
return $result;
}
$data = array
(
'machineAttribute' => array
(
'TTT 1000 S',
'TTT 1100 S'
),
'technicalAttribute' => array
(
'Certificate',
'Software'
),
'languageAttribute' => array
(
'English',
'Spanish',
)
);
$combos = cartesian($data);
$final_result = [];
foreach($combos as $combo){
$final_result[] = implode('/',$combo);
}
print_r($final_result);
DEMO:https://3v4l.org/Zh6Ws
This will solve your problem almost.
$arr['machineAttribute'] = (array) $arr['machineAttribute'];
$arr['technicalAttribute'] = (array) $arr['technicalAttribute'];
$arr['languageAttribute'] = (array) $arr['languageAttribute'];
$machCount = count($arr['machineAttribute']);
$techCount = count($arr['technicalAttribute']);
$langCount = count($arr['languageAttribute']);
$attr = [];
for($i=0;$i<$machCount;$i++) {
$attr[0] = $arr['machineAttribute'][$i] ?? "";
for($j=0;$j<$techCount;$j++) {
$attr[1] = $arr['technicalAttribute'][$j] ?? "";
for($k=0;$k<$langCount;$k++) {
$attr[2] = $arr['languageAttribute'][$k] ?? "";
$pathArr[] = implode('/',array_filter($attr));
}
}
}
print_r($pathArr);
This works too!
$results = [[]];
foreach ($arrays as $index => $array) {
$append = [];
foreach ($results as $product) {
foreach ($array as $item) {
$product[$index] = $item;
$append[] = $product;
}
}
$results = $append;
}
print_r(array_map(function($arr){ return implode('/',$arr);},$results));
I have this array:
Array
(
[datas] => Array
(
[General] => Array
(
[0] => Array
(
[id] => logo
[size] => 10
)
)
[Rooms] => Array
(
[0] => Array
(
[id] => room_1
[size] => 8
)
[1] => Array
(
[id] => room_2
[size] => 8
)
[2] => Array
(
[id] => room_3
[size] => 8
)
)
)
)
I need to update it when I receive some info like this:
$key = 'room_3';
$toChange = '9';
So in my array, I want to change the size of room_3.
I will always edit the same element (i.e. size).
What I tried:
// Function to communicate with the array
getDatas($array, 'room_3', '9');
function getDatas($datas, $got, $to_find) {
foreach ($datas as $d) {
if (array_search($got, $d)) {
if (in_array($to_find, array_keys($d))) {
return trim($d[$to_find]);
}
}
}
}
But it does not work...
Could you please help me ?
Thanks.
function getDatas($datas, $got, $to_find) {
foreach($datas['datas'] as $key => $rows) {
foreach($rows as $number => $row) {
if($row['id'] == $got) {
// u can return new value
return $row['size'];
// or you can change it and return update array
$datas['dates'][$key][$number]['size'] = $to_find; // it should be sth like $new value
return $datas;
}
}
}
}
function changeRoomSize (&$datas, $roomID, $newSize ){
//assuming that you have provided valid data in $datas array
foreach($datas['datas']['Rooms'] as &$room){
if($room['id'] == $roomID){
$room['size'] = $newSize;
break;//you can add break to stop looping after the room size is changed
}
}
}
//--- > define here your array with data
//and then call this function
changeRoomSize($data,"room_3",9);
//print the results
var_dump($data);
It's a 3-dimensional array, if you want to change the value, do like this:
$key = 'room_3';
$toChange = '9';
$array['datas'] = getRooms($array['datas'], $key, $toChange);
function getRooms($rooms, $key, $toChange) {
foreach($rooms as $k1=>$v1) foreach ($v1 as $k2=>$v2) {
if ($v2['id'] == $key)) {
$rooms[$k1][$k2]['size'] = $toChange;
}
}
return $rooms;
}
print_r($array);
I have the following array stored in the wordpress options table and I need to get the value of each title
a:1:{s:14:"swd_line_items";a:3:{i:0;a:1:{s:5:"title";s:9:"asdfasdfa";}i:1;a:1:{s:5:"title";s:13:"asdf asdf ada";}i:2;a:1:{s:5:"title";s:29:"fffffffffffffffffffffffffffff";}}}
I've tried nested foreach loops but nothing I do seems to work. There must be a simple solution?
function swd_get_line_items() {
$line_items = get_option('line_items_array');
$items = array();
foreach( $line_items as $item => $value ) {
foreach ($value as $new => $v) {
$items[] = array(
$new => $v
);
}
}
return $line_items;
}
Hope this helps :)
$array = unserialize('a:1:{s:14:"swd_line_items";a:3:{i:0;a:1:{s:5:"title";s:9:"asdfasdfa";}i:1;a:1:{s:5:"title";s:13:"asdf asdf ada";}i:2;a:1:{s:5:"title";s:29:"fffffffffffffffffffffffffffff";}}}');
foreach($array['swd_line_items'] as $item) {
echo $item['title'];
}
get_option() perfectly unsezrializes an array so there is no need to do it as the two other answers suggested it.
Then what you have is a two dimensional array but you are perfectly browsing it with two nested foreach.
By the way here is the final output of your code:
As you can see you perfectly extracted the titles:
Array
(
[0] => Array
(
[0] => Array
(
[title] => asdfasdfa
)
)
[1] => Array
(
[1] => Array
(
[title] => asdf asdf ada
)
)
[2] => Array
(
[2] => Array
(
[title] => fffffffffffffffffffffffffffff
)
)
)
But the issue here is that you do not return this array but you return this one:
return $line_items;
Change it into
return $items;
you mean this ?
function swd_get_line_items($serialized_array)
{
$line_items = unserialize($serialized_array);
$items = array();
foreach ($line_items['swd_line_items'] as $key => $item)
{
$items[$key] = $item['title'];
}
return $items;
}
Problem
I have an array which is returned from PHPExcel via the following
<?php
require_once 'PHPExcel/Classes/PHPExcel/IOFactory.php';
$excelFile = "excel/1240.xlsx";
$objReader = PHPExcel_IOFactory::createReader('Excel2007');
$objPHPExcel = $objReader->load($excelFile);
foreach ($objPHPExcel->getWorksheetIterator() as $worksheet) {
$arrayData[$worksheet->getTitle()] = $worksheet->toArray();
}
print_r($arrayData);
?>
This returns:
Array
(
[Films] => Array
(
[0] => Array
(
[0] => Name
[1] => Rating
)
[1] => Array
(
[0] => Shawshank Redemption
[1] => 39
)
[2] => Array
(
[0] => A Clockwork Orange
[1] => 39
)
)
[Games] => Array
(
[0] => Array
(
[0] => Name
[1] => Rating
)
[1] => Array
(
[0] => F.E.A.R
[1] => 4
)
[2] => Array
(
[0] => World of Warcraft
[1] => 6
)
)
)
What I would like to have is
Array
(
[Films] => Array
(
[0] => Array
(
[Name] => Shawshank Redemption
[Rating] => 39
)
[1] => Array
(
[Name] => A Clockwork Orange
[Rating] => 39
)
)
[Games] => Array
(
[0] => Array
(
[Name] => F.E.A.R
[Rating] => 4
)
[1] => Array
(
[Name] => World of Warcraft
[Rating] => 6
)
)
)
The arrays names (Films, Games) are taken from the sheet name so the amount can be variable. The first sub-array will always contain the key names e.g. Films[0] and Games[0] and the amount of these can be varible. I (think I) know I will need to do something like below but I'm at a loss.
foreach ($arrayData as $value) {
foreach ($value as $rowKey => $rowValue) {
for ($i=0; $i <count($value) ; $i++) {
# code to add NAME[n] as keys
}
}
}
I have searched extensively here and else where if it is a duplicate I will remove it.
Thanks for any input
Try
$result= array();
foreach($arr as $key=>$value){
$keys = array_slice($value,0,1);
$values = array_slice($value,1);
foreach($values as $val){
$result[$key][] = array_combine($keys[0],$val);
}
}
See demo here
You may use nested array_map calls. Somehow like this:
$result = array_map(
function ($subarr) {
$names = array_shift($subarr);
return array_map(
function ($el) use ($names) {
return array_combine($names, $el);
},
$subarr
);
},
$array
);
Demo
Something like this should work:
$newArray = array();
foreach ($arrayData as $section => $list) {
$newArray[$section] = array();
$count = count($list);
for ($x = 1; $x < $count; $x++) {
$newArray[$section][] = array_combine($list[0], $list[$x]);
}
}
unset($arrayData, $section, $x);
Demo: http://ideone.com/ZmnFMM
Probably a little late answer, but it looks more like your tried solution
//Films,Games // Row Data
foreach ($arrayData as $type => $value)
{
$key1 = $value[0][0]; // Get the Name Key
$key2 = $value[0][1]; // Get the Rating Key
$count = count($value) - 1;
for ($i = 0; $i < $count; $i++)
{
/* Get the values from the i+1 row and put it in the ith row, with a set key */
$arrayData[$type][$i] = array(
$key1 => $value[$i + 1][0],
$key2 => $value[$i + 1][1],
);
}
unset($arrayData[$type][$count]); // Unset the last row since this will be repeated data
}
I think this will do:
foreach($arrayData as $key => $array){
for($i=0; $i<count($array[0]); $i++){
$indexes[$i]=$array[0][$i];
}
for($i=1; $i<count($array); $i++){
for($j=0; $j<count($array[$i]); $j++){
$temp_array[$indexes[$j]]=$array[$i][$j];
}
$new_array[$key][]=$temp_array;
}
}
print_r($new_array);
EDIT: tested and updated the code, works...
Hi,
How can we find the count of duplicate elements in a multidimensional array ?
I have an array like this
Array
(
[0] => Array
(
[lid] => 192
[lname] => sdsss
)
[1] => Array
(
[lid] => 202
[lname] => testing
)
[2] => Array
(
[lid] => 192
[lname] => sdsss
)
[3] => Array
(
[lid] => 202
[lname] => testing
)
)
How to find the count of each elements ?
i.e, count of entries with id 192,202 etc
You can adopt this trick; map each item of the array (which is an array itself) to its respective ['lid'] member and then use array_count_value() to do the counting for you.
array_count_values(array_map(function($item) {
return $item['lid'];
}, $arr);
Plus, it's a one-liner, thus adding to elite hacker status.
Update
Since 5.5 you can shorten it to:
array_count_values(array_column($arr, 'lid'));
foreach ($array as $value)
{
$numbers[$value[lid]]++;
}
foreach ($numbers as $key => $value)
{
echo 'numbers of '.$key.' equal '.$value.'<br/>';
}
Following code will count duplicate element of an array.Please review it and try this code
$arrayChars=array("green","red","yellow","green","red","yellow","green");
$arrLength=count($arrayChars);
$elementCount=array();
for($i=0;$i<$arrLength-1;$i++)
{
$key=$arrayChars[$i];
if($elementCount[$key]>=1)
{
$elementCount[$key]++;
} else {
$elementCount[$key]=1;
}
}
echo "<pre>";
print_r($elementCount);
OUTPUT:
Array
(
[green] => 3
[red] => 2
[yellow] => 2
)
You can also view similar questions with array handling on following link
http://solvemyquest.com/count-duplicant-element-array-php-without-using-built-function/
The following code will get the counts for all of them - anything > 1 at the end will be repeated.
<?php
$lidCount = array();
$lnameCount = array();
foreach ($yourArray as $arr) {
if (isset($lidCount[$arr['lid']])) {
$lidCount[$arr['lid']]++;
} else {
$lidCount[$arr['lid']] = 1;
}
if (isset($lnameCount [$arr['lname']])) {
$lnameCount [$arr['lname']]++;
} else {
$lnameCount [$arr['lname']] = 1;
}
}
$array = array('192', '202', '192', '202');
print_r(array_count_values($array));
$orders = array(
array(
'lid' => '',
'lname' => '',
))....
$foundIds = array();
foreach ( $orders as $index => $order )
{
if ( isset( $foundIds[$order['lid']] ) )
{
$orders[$index]['is_dupe'] = true;
$orders[$foundIds[$order['lid']]]['is_dupe'] = true;
} else {
$orders[$index]['is_dupe'] = false;
}
$foundIds[$order['lid']] = $index;
}
Try this code :
$array_count = array();
foreach ($array as $arr) :
if (in_array($arr, $array_count)) {
foreach ($array_count as $key => $count) :
if ($key == $arr) {
$array_count[$key]++;
break;
}
endforeach;
} else {
$array_count[$arr] = 1;
}
endforeach;
Check with in_array() function.