The array_reverse() function returns an array in the reverse order.

Which array function is used to reverse the array?

The arr. reverse() method is used for in-place reversal of the array.

Which function used to sort array in reverse?

Answer: C. sort() function is used to sort in ascending order where as rsort() meaning reverse sort is used for sorting in descending order.

How do I reverse an array?

1. Place the two pointers (let start and end ) at the start and end of the array.
2. Swap arr[start] and arr[end]
3. Increment start and decrement end with 1.
4. If start reached to the value length/2 or start ≥ end , then terminate otherwise repeat from step 2.

Which function is used to reverse a string in Java?

StringBuffer reverse() Method in Java with Examples

lang. StringBuffer. reverse() is an inbuilt method which is used to reverse the characters in the StringBuffer. The method causes this character sequence to be replaced by the reverse of the sequence.

Reverse an Array without using extra memory space(String reverse)

What is reverse function in C++?

C++ Algorithm reverse() C++ Algorithm reverse() function is used to reverse the order of the elements within a range [first, last).

Which of the following function sorts an array in reverse order?

Answer: C. sort() function is used to sort in ascending order where as rsort() meaning reverse sort is used for sorting in descending order.

Which function is used to sort array?

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

What is the purpose of Rsort () function?

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

How do you reverse an array without reverse?

1. class Program.
2. {
3. static void Main(string[] args)
4. {
5. int[] arr = new int[] { 1, 2, 3, 4, 5 };
6. int length = arr.Length - 1;
7. string strReverse = null;
8. while (length >= 0)

How do you reverse an array in a function in C++?

1. using namespace std;
2. // Utility function to print contents of an array. void print(int arr[], int n)
3. { for (int i = 0; i < n; i++) {
4. cout << arr[i] << " "; }
5. }
6. // Utility function to reverse elements of an array. void reverse(int arr[], int n)
7. { int aux[n];
8. for (int i = 0; i < n; i++) {

What is reverse function in JavaScript?

reverse() The reverse() method reverses an array in place. The first array element becomes the last, and the last array element becomes the first.

Which PHP function is used to find files?

PHP File_exists Function

This function is used to determine whether a file exists or not. It comes in handy when we want to know if a file exists or not before processing it.

How do you reverse an array in place in PHP?

PHP: array_reverse() function

The array_reverse() function is used to reverse the order of the elements in an array. Specifies the name of the array. Specify TRUE or FALSE whether function shall preserve the array's keys or not. The default value is FALSE.

Which function in PHP is used to get the length of string variable?

The strlen() is a built-in function in PHP which returns the length of a given string. It takes a string as a parameter and returns its length. It calculates the length of the string including all the whitespaces and special characters.

Which function should be used to sort the array in natural order?

Which function should we use to sort the array in natural order? Explanation: The function natcasesort() in PHP sorts an array by using a “natural order” algorithm. All the values keep their original keys.

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.

Which of the following function is used to sort the values of an array object by preserving key value?

The ksort() function sorts an associative array in ascending order, according to the key. Tip: Use the krsort() function to sort an associative array in descending order, according to the key.

How do you reverse an array in JavaScript?

1. Description. Javascript array reverse() method reverses the element of an array. ...
2. Syntax. Its syntax is as follows − array.reverse();
3. Return Value. Returns the reversed single value of the array.
4. Example. Try the following example. ...
5. Output. Reversed array is : 3,2,1,0.

Which of the following function return selected parts of an array?

Explanation: The function count() will return the number of elements in an array.

Which function is used to reverse a string?

Answer: To reverse a string, we use the function Is strrev(). The Str stands for the string part.

Which function is used to reverse a string in C++?

Using reverse() function in C++

The built-in reverse function reverse() in C++ directly reverses a string.

Is reverse function in C++?

reverse() is a predefined function in header file algorithm. It is defined as a template in the above mentioned header file. It reverses the order of the elements in the range [first, last) of any container.

Why TRIM () function is used in PHP?

PHP: trim() function

The trim() function is used to remove the white spaces and other predefined characters from the left and right sides of a string. The string to be trimmed. Specifies the character(s) to remove. Without this remove the following " " an ordinary space.