How do I sort an array based on another array in PHP?

How do I sort an array based on another array in PHP?

Take one array as your order: $order = array(‘north’, ‘east’, ‘south’, ‘west’); You can sort another array based on values using array_intersect Docs: /* sort by value: */ $array = array(‘south’, ‘west’, ‘north’); $sorted = array_intersect($order, $array); print_r($sorted);

How do you sort an array according to another array in Python?

Use zip() to sort a list based on another list

1. list1 = [“a”, “b”, “c”]
2. list2 = [2, 3, 1]
3. zipped_lists = zip(list2, list1) Pair list2 and list1 elements.
4. sorted_zipped_lists = sorted(zipped_lists) Sort by first element of each pair.
5. sorted_list1 = [element for _, element in sorted_zipped_lists]
6. print(sorted_list1)

What is sorting in array explain with an example?

A sorted array is an array data structure in which each element is sorted in numerical, alphabetical, or some other order, and placed at equally spaced addresses in computer memory. It is typically used in computer science to implement static lookup tables to hold multiple values which have the same data type.

How to sort an array according to the Order of another array?

Algorithm to Sort an array according to the order defined by another array 1. Sort the array using the qsort method or comparator interface. 2. Search the value in arr2[] and find its index value. 3. Check if 1. Both of the returned value is -1 if true then return the difference between the returned value. 2.

Which is an example of a sorting function?

We are required to write a sorting function that sort an array based on the contents of another array. For example − We have to sort the original array such that the elements present in the below sortOrder array appear right at the start of original array and all other should keep their order −

When to use comparator in Array sort function?

If you use the native array sort function, you can pass in a custom comparator to be used when sorting the array. The comparator should return a negative number if the first value is less than the second, zero if they’re equal, and a positive number if the first value is greater.

How to sort an array in JavaScript natively?

One Line answer. itemsArray.sort (function (a, b) { return sortingArr.indexOf (a) – sortingArr.indexOf (b); }); If you use the native array sort function, you can pass in a custom comparator to be used when sorting the array.