Sum multiple items in 2D array based on condition (javascript)
I have a 2D array: [ [ 1, 2, 43, 5 ], [ 1, 5, 12, 1 ], [ 2, 3, 6, 77 ], [ 2, 1, 48, 94 ], [ 3, 3, 15, 85 ], [ 3, 7, 97,…
Php – How do you access a multidimensional array?
I created a multidimensional array to access each of the arrays I stored from a MySQL query, using this statement: $new_array[$n][$row['MLocID']] = $row; Below is the output from print_r(get_defined_vars(), true): [new_array] => Array ( [0] => Array ( [226] =>…
Php – Hierarchically group 2d array data by two columns and concatenate third column values in each unique path
I need to group the data from my 2d array into an associative array of associative arrays where d values are the first level keys, and the s values will become the second level keys, and the i values should…
How to Sort Complex Numerical multi-dimensional Javascript Array?
I have to sort this array, const array = [ [18, [18, 16], 16], 15, [18, 19, 51], [[18, 16], 15, [14, 13]], [10, 9, 20], 99, 49, [11, [22, 10], [[10, 9], 11, 9, [1, 2]], 100, 72], [[11],…
Javascript – Create new array using values from another array
I've simplified the below array to prevent confusion. Here's my progress up to now... I've attempted various methods to generate a fresh array, but haven't succeeded yet. I've even scoured Stack Overflow for solutions. The result is accurate, but unfortunately,…
php check if value exist on all multidimensional arrays
Currently going crazy on how to do this, basicly I have a multidimensional array and need a code to check all values and if value exists in all arrays than to return the result. Parents visitPoints,islands,animals will always exist, although…
Php – Replace last value in each row of a 2d array with the product of all values in the row excluding the last
Array ( [0] => Array ( [0] => 4 [1] => 3 [2] => 5 [3] => 7 [4] => 210 ) [1] => Array ( [0] => 4 [1] => 9 [2] => 5 [3] => 7 [4] =>…
Php – Accumulate all combinations of a subset of numbers from a flat array to generate a 2d array of combinations and their product
I have a function that takes randomly take 4 unique numbers from an array and multiply them. Problem with the script below is it only print out the products. I would like for each set of 4 numbers and its…
Javascript – TypeScript: How to insert a multidimensional array into another multidimensional array?
A two-dimensional array is to be extended (No new one is to be created): let array:number[][] = [ [5, 6], ]; For this we have two more two-dimensional arrays a1 and a2: let a1:number[][] = [[1, 2], [3, 4]]; let…
Php – if condition in the loop
Please, somebody help me with the" If line" i'm making an exercise the rests of my code work, but the last line with If statment doesn't How can do this? `<?php $employees = array ( array("Name" => " Harry ",…