# What is the use of sort () function in PHP?

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## What is sort function used for?

The SORT function sorts the contents of a range or array in ascending or descending order with a formula. The result from SORT is a dynamic array of values that will “spill” onto the worksheet into a range.

## What are different types of sorting functions in PHP?

Sorting Functions For Arrays In PHP

• sort() – sorts arrays in ascending order.
• rsort() – sorts arrays in descending order.
• asort() – sorts associative arrays in ascending order, according to the value.
• ksort() – sorts associative arrays in ascending order, according to the key.

## How do I sort a string in PHP?

How to sort strings in PHP using various ways?

1. The first method of the Sort String. String Convert into an array and use sort () method. …
2. The second method of the Sort String. String swap the position and use arguments to sorting the string. …
3. The third method of the Sort String. The Quicksort algorithm uses to sort strings.

## How do you sort an object in PHP?

Approach: The usort() function is an inbuilt function in PHP which is used to sort the array of elements conditionally with a given comparator function. The usort() function can also be used to sort an array of objects by object field.

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## Which sorting algorithm is best?

Time Complexities of Sorting Algorithms:

Algorithm Best Worst
Bubble Sort Ω(n) O(n^2)
Merge Sort Ω(n log(n)) O(n log(n))
Insertion Sort Ω(n) O(n^2)
Selection Sort Ω(n^2) O(n^2)

## Does sort mutate?

sort() mutates the array in place, and then returns it This means that after calling const B = A.

## What is PHP call function?

A PHP function provides code that a PHP script can call to perform a task, such as Count(), file_get_contents(), and header(). The PHP language supports both procedural and object-oriented programming paradigms.

## What are PHP functions?

A Function in PHP is a reusable piece or block of code that performs a specific action. It takes input from the user in the form of parameters, performs certain actions, and gives the output. Functions can either return values when called or can simply perform an operation without returning any value.

## How does sort work in PHP?

The sort() function is an inbuilt function in PHP and is used to sort an array in ascending order i.e, smaller to greater. It sorts the actual array and hence changes are reflected in the original array itself. The function provides us with 6 sorting types, according to which the array can be sorted.

## Is array sorted PHP?

The elements in an array can be sorted in alphabetical or numerical order, descending or ascending.

## What is the correct way to create a function in PHP?

The declaration of a user-defined function starts with the word function, followed by the name of the function you want to create followed by parentheses i.e. () and finally place your function’s code between curly brackets {}.

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