PHP | Ds\Vector reverse() Function Last Updated : 22 Aug, 2019 Summarize Comments Improve Suggest changes Share Like Article Like Report The Ds\Vector::reverse() function is an inbuilt function in PHP which is used to reverse the vector elements in-place. Syntax: void public Ds\Vector::reverse( void ) Parameters: This function does not accepts any parameters. Return Value: This function does not return any value. Below programs illustrate the Ds\Vector::reverse() function in PHP: Program 1: php <?php // Create new Vector $arr = new \Ds\Vector([1, 2, 3, 4, 5]); // Display the elements print_r($arr); echo("Vector after reversing\n"); // Use reverse() function to reverse // the vector elements and display it $arr->reverse(); print_r($arr); ?> Output: Ds\Vector Object ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 [4] => 5 ) Vector after reversing Ds\Vector Object ( [0] => 5 [1] => 4 [2] => 3 [3] => 2 [4] => 1 ) Program 2: php <?php // Create new Vector $arr = new \Ds\Vector(["Geeks", "GFG", "Computer", "Science", "Portal"]); // Display the elements print_r($arr); echo("Vector after reversing\n"); // Use reverse() function to reverse // the vector elements and display it $arr->reverse(); print_r($arr); ?> Output: Ds\Vector Object ( [0] => Geeks [1] => GFG [2] => Computer [3] => Science [4] => Portal ) Vector after reversing Ds\Vector Object ( [0] => Portal [1] => Science [2] => Computer [3] => GFG [4] => Geeks ) Reference: https://www.php.net/manual/en/ds-vector.reverse.php Comment More infoAdvertise with us Next Article PHP | DsDeque reversed() Function R R_Raj Follow Improve Article Tags : Web Technologies PHP PHP-function PHP-ds_vector Similar Reads PHP | DsMap reverse() Function The Ds/Map::reverse() function in PHP is used to in-place reverse the elements of a specified Map instance. That is, the function in-place reverses the order of elements present in the specified Map instance. Syntax: Ds\Map public Ds\Map::reverse ( int $position ) Parameter: This function does not a 2 min read PHP DsSet reverse() Function The Ds\Set::reverse() function of Ds\Set class in PHP is an inbuilt function which is used to reverse the order of elements present in the Set instance. This function reverses the Set in-place. That is, it does not uses any extra space and updates the original Set instance with reversed values. Synt 2 min read PHP DsSet reversed() Function The Ds\Set::reversed() function of Ds\Set class in PHP is an inbuilt function which is used to create a copy of the original Set with values arranged in reverse order. That is, this function returns a reversed copy of the actual set. This function does not affect the original set instance. Syntax: D 2 min read PHP | DsDeque reverse() Function The Ds\Deque::reverse() function is an inbuilt function in PHP which is used to reverse the elements in the Deque in-place. Syntax: public Ds\Deque::reverse( void ) : void Parameters: This function does not accept any parameter. Return Value: This function does not return any value. Below programs i 2 min read PHP | DsVector reverse() Function The Ds\Vector::reverse() function is an inbuilt function in PHP which is used to reverse the vector elements in-place. Syntax: void public Ds\Vector::reverse( void ) Parameters: This function does not accepts any parameters. Return Value: This function does not return any value. Below programs illus 2 min read PHP | DsDeque reversed() Function The Ds\Deque::reversed() function is an inbuilt function in PHP which is used to return the copy of Deque which contains the elements in reversed order. Syntax: public Ds\Deque::reversed( void ) : Ds\Deque Parameters: This function does not accept any parameter. Return Value: This function returns a 2 min read PHP | Ds\Vector reverse() Function min read Like