将Convert multidimensional array values into a one-dimensional array

I want to change a value in one multidimensional array if the corresponding key is found in another flat associative array. I have these two arrays: $full=['Cars'=>['Volvo'=>0,'Mercedes'=>0,'BMW'=>0,'Audi'=>0],'Motorcycle'= >['Ducati'=>0,'Honda'=>0,'Suzuki'=>0,'KTM'=>0]...

P粉969666670 2024-02-03 23:06:59 0  2  393

Group 2D array data using column values ​​to generate 3D array

I have a multidimensional array that I want to group based on the values ​​in a specific column. I want to group based on level, but I don't know the value of level in advance. So, I can't say while$i<7 like in the for loop because I don't know that 7 is the maximum value for the level key, and e...

P粉022140576 2023-08-22 18:37:00 0  2  563

How to change array object property value javascript

I have an array object and an array. Which values ​​in this array match values ​​in the array object require a change of state (like true). arrObj output should look like this: [{name:"Test1",status:true},{name:"Test2",status:false},{name:"Test3",status:true}]Demo: http...

P粉618358260 2023-09-03 14:27:32 0  1  345

Merge associative arrays with shared column values

I want to merge two arrays based on common column values. Here are my 2 arrays: $array1=[["total_process_per_category"=>"6","category_id"=>"1"],["total_process_per_category"=>"2","ca

P粉966979765 2023-11-09 08:47:41 0  2  611

Find a value in a multidimensional array and return the value in the same array

I'm trying to find a value in an array of milti arrays and after finding it I want to return a different key, not sure how to explain further. I have an array: tempArray([0]=>Array([id]=>18460[field_id]=>14[parent_id]=>165[custom_tab_field_id]=>17775[status]=>0[field_type]=>0 )[...

P粉958986070 2024-04-03 12:43:01 0  2  475

Laravel combine multidimensional array based on year value

This is the array I want to combine based on the year value 0=>array:3[▼"year"=>2022"total_policies_financed"=>1"total_amount_financed"=>280.0]1=>array:3[▼"year"= >2022"total_policies

P粉193307465 2024-02-17 21:06:08 0  1  353

Copy the values ​​of an array

When copying one array to another in JavaScript: vararr1=['a','b','c'];vararr2=arr1;arr2.push('d');//Now, arr1=[ 'a','b','c','d'] I realized that arr2 was referencing the same array as arr1, not a new, separate array. How do I copy an array to get two separate arrays?

P粉002546490 2023-08-20 12:42:44 0  2  525

javascript - Declaring an array to add a value produces a value of type undefined

JS: Use objects to get successful values, use arrays, and there will be values ​​of type undefined {code...} The above can get the correct results. {Code...} The above code uses an array, and there will be a value with the default type undefined. Although I solved this problem by replacing the objec...

给我你的怀抱 2017-07-05 10:58:20 0  1  687

Loop through each value in the array and then use a switch statement on those values.

I'm new to PHP and I was wondering if anyone could help me. I have an array, the values ​​in the array are determined by another function, but the value of the array is always "warning", "critical" or "ok", the length of the array can also be arbitrary. For example: $ho...

P粉513316221 2023-07-30 12:21:44 0  1  704

Use the primary key value of the data as the index of the associative array to obtain the data

Use the primary key value of the data as the index of the associative array to obtain the data

王林 2023-07-16 17:41:35 0  2  8050

How to use array variables to assign values ​​to the setcookie function in PHP?

Can the setcookie function only use strings for assignment? Is there no way to use an array to assign a value to setcookie in the mycookie method in the code below? ? {Code...} Thanks for telling me a method.

PHP中文网 2017-06-06 09:53:50 0  1  800

c++ - Why does the return value of this array comparison function remain unchanged?

During the exercise, I was asked to write an array comparison function {code...}. No matter how I change the values ​​of the two arrays, the output result of the function remains unchanged. What is the reason? ...thank you~

巴扎黑 2017-05-16 13:24:28 0  2  728

javascript - ES6 array destructuring assignment default assignment

When I saw Ruan Yifeng's ES6 tutorial on destructuring assignment and default values, I didn't quite understand this place. Original link Note that ES6 uses the strict equality operator (===) internally to determine whether a position has a value. Therefore, if an array member is not strictly equal ...

滿天的星座 2017-06-07 09:24:42 0  3  1058

PHP calculates the maximum and minimum values ​​​​of an array Dashenjin

How to calculate the maximum value and minimum value of such an array? It can be seen at a glance that the minimum value is 0 and the maximum value is 459. But how to calculate it using PHP?

怪我咯 2017-05-18 10:46:03 0  6  821

php array problem

{Code...} How to assemble the above array into the following array corresponding to the value [0]=&gt; int(2) [1]=&gt; int(1) as a column of g_num, and assemble the array in sequence { Code...} After the transformation, it looks like the following. Thank you, Master. {Code...}

PHP中文网 2017-06-10 09:47:40 0  2  755

How to sum values ​​with the same array value in PHP

I merged two arrays (both taken from different mysql tables) and now I want to sum all elements in the arrays with the same value. $merged_arr=array_merge($reg,$rel);Array([0]=>Array([DEPARTMENT]=>LEAFSPRINGDIRECT[BASICINCOME]=>3035.37[OTPAY]=>0)[1]=>Array([DEPARTMENT] =&g

P粉401527045 2023-09-10 15:14:41 0  1  528

php - About changing the specified value of each small array in a two-digit array without using a loop

For example, I have a two-dimensional array: {Code...} In such an array, I want to change all the values ​​of 'b' to '99' without using a loop. How can I achieve this? After thinking for a long time, I had no idea.

ringa_lee 2017-05-27 17:43:55 0  6  843

php7.0 array assignment problem reporting error

Hello everyone, I am a newbie and I get an error when assigning values ​​to an array. I don’t know if it is a problem with my code or a problem with php7.0. <?php header("Content-type:text/html;charset=utf-8"); include ('mysql_pdo.php'); if (isset ($_POST['submit']))&

PHP中文网 2016-10-09 11:47:45 0  0  1616

javascript - split method of array

'1,2,3,4,5'.split(','); The above code will output each value of the array ['1','2','3','4','5']; They are all of type string. Is there any good way to change the values ​​in the array formed after splitting into number type?

学习ing 2017-06-30 09:57:12 0  4  1050

The way to merge two arrays is to alternate the first value in PHP

I have 2 array examples A1 = [1,2,3], A2 = [4,5,6] The output I need is A3 = [1,4,2,5,3,6] That is, the output I need is the first value of the first array, followed by the first value of the second array, and so on

P粉288069045 2023-08-08 17:06:54 0  1  523