PHP | Ds\Set clear() Function Last Updated : 11 Jul, 2025 Comments Improve Suggest changes Like Article Like Report The Ds\Set::clear() function is an inbuilt function in PHP which is used to remove all values from the set. Syntax: void public Ds\Set::clear( void ) Parameters: This function does not accept any parameter. Return value: This function does not return any value. Below programs illustrate the Ds\Set::clear() function in PHP: Program 1: php <?php // Declare new Set $set = new \Ds\Set([1, 2, 3, 4, 5, 6]); // Display the Set element print_r($set); // Use clear() function to remove elements $set->clear(); // Display the Set element print_r($set); ?> Output: Ds\Set Object ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 [4] => 5 [5] => 6 ) Ds\Set Object ( ) Program 2: php <?php // Declare new Set $set = new \Ds\Set([10, 15, 21, 13, 16, 18]); // Display the Set element var_dump($set); // Use clear() function to remove elements $set->clear(); // Display the Set element var_dump($set); ?> Output: object(Ds\Set)#1 (6) { [0]=> int(10) [1]=> int(15) [2]=> int(21) [3]=> int(13) [4]=> int(16) [5]=> int(18) } object(Ds\Set)#1 (0) { } Reference: https://www.php.net/manual/en/ds-set.clear.php Comment More infoAdvertise with us Next Article PHP | Ds\Vector clear() Function J jit_t Follow Improve Article Tags : Web Technologies PHP PHP-function PHP-ds_set Similar Reads PHP | Ds\Stack clear() Function The Ds\Stack::clear() function of PHP is used to remove all elements from a Stack and clear it. This function simply removes all of the elements from the Stack but not completely deletes it. It just empties it. Syntax: void public Ds\Stack::clear ( void ) Parameters: This function does not accept an 2 min read PHP | Ds\Stack clear() Function The Ds\Stack::clear() function of PHP is used to remove all elements from a Stack and clear it. This function simply removes all of the elements from the Stack but not completely deletes it. It just empties it. Syntax: void public Ds\Stack::clear ( void ) Parameters: This function does not accept an 2 min read PHP | Ds\Stack clear() Function The Ds\Stack::clear() function of PHP is used to remove all elements from a Stack and clear it. This function simply removes all of the elements from the Stack but not completely deletes it. It just empties it. Syntax: void public Ds\Stack::clear ( void ) Parameters: This function does not accept an 2 min read PHP | Ds\Vector clear() Function The Ds\Vector::clear() function is an inbuilt function in PHP which is used to clear the vector elements by removing all the elements from the vector. Syntax: void public Ds\Vector::clear( void ) Parameters: This function does not accept any parameter. Return Value: This function does not return any 1 min read PHP | Ds\Vector clear() Function The Ds\Vector::clear() function is an inbuilt function in PHP which is used to clear the vector elements by removing all the elements from the vector. Syntax: void public Ds\Vector::clear( void ) Parameters: This function does not accept any parameter. Return Value: This function does not return any 1 min read PHP | Ds\Vector clear() Function The Ds\Vector::clear() function is an inbuilt function in PHP which is used to clear the vector elements by removing all the elements from the vector. Syntax: void public Ds\Vector::clear( void ) Parameters: This function does not accept any parameter. Return Value: This function does not return any 1 min read Like