I need some help on below array formation. I want to create a custom array using 2 arrays.
This is my first array :-
Array
(
[0] => Array
(
[0] => 26
[1] => 0.0000000000000000
)
[1] => Array
(
[0] => 25
[1] => 0.0000000000000000
)
[2] => Array
(
[0] => 24
[1] => 0.0000000000000000
)
)
This is my second array :-
Array
(
[0] => Array
(
[0] => 24
)
[1] => Array
(
[0] => 26
)
)
I want final array as below. Can someone please suggest how to form this array.
Array
(
[0] => Array
(
[0] => 26
[1] => 0.0000000000000000
)
[2] => Array
(
[0] => 24
[1] => 0.0000000000000000
)
)
I have used below but I want it without foreach.
$finalArray = array();
foreach ($secondArray as $key => $value) {
$key = array_search($value[0], array_column($firstArray, 0));
$finalArray[] = $firstArray[$key];
}
You can use array_filter():
$finalArray = array_filter($firstArray,
fn($item) => in_array($item[0], array_column($secondArray, 0))
);
It could be more efficiant to compute allowed values first:
$allowedValues = array_column($secondArray, 0);
$finalArray = array_filter($firstArray, fn($item) => in_array($item[0], $allowedValues));
Before PHP 7.4, you have to use use() to pass variable to the anonymous function:
$finalArray = array_filter($firstArray,
function($item) use($secondArray) {
return in_array($item[0], array_column($secondArray, 0));
}
);
Related
I need to sort my array-based on the number of elements in the inner array.
It's my current array.
Array
(
[0] => Array
(
)
[1] => Array
(
[0] => 2-3
)
[2] => Array
(
[0] => 5-9
)
[3] => Array
(
[0] => 5-9
[1] => 2-3
)
)
I need to sort the array by this format.
Array
(
[3] => Array
(
[0] => 5-9
[1] => 2-3
)
[2] => Array
(
[0] => 5-9
)
[1] => Array
(
[0] => 2-3
)
[0] => Array
(
)
)
This seems to do it:
<?php
$a = [
[], ['2-3'], ['5-9'], ['5-9', '2-3']
];
$f = fn ($b, $c) => count($c) <=> count($b);
usort($a, $f);
print_r($a);
https://php.net/function.usort
i hope this answer help you
$result = array();
$sorter = array();
foreach($values as $key => $vals){
$sorter[$key]= count($vals);
}
arsort($sorter);
foreach ($sorter as $ii => $va) {
$result[$ii]=$values[$ii];
}
output
My array is below i need to arrange like array2 (without use $aa['caption1'] like names directly)
arrray1 is
Array
(
[0] => Array
(
[caption1] => Array
(
[0] => gfdhgfjhg
[1] => dfhfgjghk
)
[caption2] => Array
(
[0] => shgjgh
[1] => dhfgkgjl
)
[banner_image] => Array
(
[0] => assets/images/page_content/img_namT7.jpg
[1] => assets/images/page_content/img_R8mzP.jpg
)
)
[1] => Array
(
[heading] => Array
(
[0] =>
)
[pragraph] => Array
(
[0] =>
)
)
)
arrray2 is(Required format )
Array
(
[0] => Array
(
array('caption1'=>'caption1','caption2'=>'shgjgh','banner_image'=>'assets/images/page_content/img_namT7.jpg'),
array('caption1'=>'dfhfgjghk','caption2'=>'dhfgkgjl','banner_image'=>'page_content/img_R8mzP.jpg')
)
[1] => Array
(
array('heading'=>'','pragraph'=>''),
array('heading'=>'fgh','pragraph'=>'ghgh'),
)
)
please any one help me.
The solution using array_keys, array_map and array_combine functions:
// $arr is your initial array
$result = [];
foreach($arr as $v){
$keys = array_keys($v);
$data = call_user_func_array('array_map', [null] + $v);
$result[] = array_map(function($item) use($keys){
return array_combine($keys, $item);
}, $data);
}
print_r($result);
The output:
Array
(
[0] => Array
(
[0] => Array
(
[caption1] => gfdhgfjhg
[caption2] => shgjgh
[banner_image] => assets/images/page_content/img_namT7.jpg
)
[1] => Array
(
[caption1] => dfhfgjghk
[caption2] => dhfgkgjl
[banner_image] => assets/images/page_content/img_R8mzP.jpg
)
)
[1] => Array
(
[0] => Array
(
[heading] =>
[pragraph] =>
)
)
)
I have a multi-dimensional array. Since the value of the string "volvo" is present twice, I want to combine those keys. Here's the source array:
Array
(
[0] => Array
(
[0] => Volvo
[1] => 22
)
[1] => Array
(
[0] => BMW
[1] => 15
)
[2] => Array
(
[0] => Saab
[1] => 5
)
[3] => Array
(
[0] => Volvo
[1] => 17
)
)
and I'd like to convert it to this one:
Array
(
[0] => Array
(
[0] => Volvo
[1] => 39
)
[1] => Array
(
[0] => BMW
[1] => 15
)
[2] => Array
(
[0] => Saab
[1] => 5
)
)
I think this would make more sense to return an associated array, that way you can do $arr["volvo"], if you're fine with an associated array, just remove the second foreach loop.
If not, this will get the correct output:
<?php
$arr = Array (
Array (
"Volvo",
22
),
Array (
"BMW",
15
),
Array (
"Saab",
5
),
Array (
"Volvo",
17
)
);
$tmpNewArr = Array();
foreach ($arr as $ele) {
if (!isset($arr[$ele[0]])) {
$tmpNewArr[$ele[0]] = 0;
}
$tmpNewArr[$ele[0]] += $ele[1];
}
$newArr = [];
foreach ($tmpNewArr as $key => $ele) {
array_push($newArr,[$key,$ele]);
}
var_dump($newArr);
?>
Here's an eval.in:
https://eval.in/766340
$keyValueCars = [];
foreach($cars as $car){
$brand = $car[0];
$total = $car[1];
if(!isset($keyValueCars[$brand])){
$keyValueCars[$brand] = total;
}
else{
$keyValueCars[$brand] += total;
}
}
You could use
array_unique(Your_array, SORT_REGULAR);
Example. I have:
Array (
[0] => Array (
[comments_id] => 1
[comments_text] => blabla1
)
[1] => Array (
[comments_id] => 2
[comments_text] => blabla2
)
)
I want have:
Array (
[comments_id] => Array (
[0] => 1
[1] => 2
)
[comments_text] => Array (
[0] => blabla1
[1] => blabla2
)
In simplified wants to replace
$array[x][y] to $array[y][x]
I writing in php.
you can do it like this
// the final array which will hold your result array
// considering $results contains your previous array
$final_array = array();
foreach($results as $result) {
$final_array['comments_id'][] = $result['comments_id'];
$final_array['comments_text'][] = $result['comments_text'];
}
i have a multidimensional array whose index/keys (not the values) are like this:
this is how the submitted array looks
[param] => Array
(
[3] => groupedlista
[0] => groupedlistb
[2] => groupedlistc
)
[f_name] => Array
(
[3] => grouplistaa
[0] => grouplistbb
[2] => grouplistcc
)
[f_label] => Array
(
[3] => grouplistL3
[0] => grouplistL0
[2] => grouplistL2
)
this is how the order looks
0,2,3
i want that Result
[param] => Array
(
[0] => groupedlistb
[1] => groupedlistc
[2] => groupedlista
)
[f_name] => Array
(
[0] => grouplistbb
[1] => grouplistcc
[2] => grouplistaa
)
[f_label] => Array
(
[0] => grouplistL0
[1] => grouplistL2
[2] => grouplistL3
)
that's it
PS: i use a jquery sort / add / delete feature in the form and i prefer to do the final sorting php-based. the index array [$i] is required to be declared at the form.
$order = '0,2,3';
$out = array(); // This will hold the sorted values
$order = explode(',',$order); // Turn the order into an array
foreach ($multiDimArray as $key => $subArray) { // Loop outer array
foreach ($order as $pos) { // Loop order array
if (isset($subArray[$pos])) { // Make sure the key exists
$out[$key][] = $subArray[$pos]; // Put the correct value in the correct place
}
}
}
print_r($out);