PHP | Ds\Set add() Function Last Updated : 11 Jul, 2025 Summarize Comments Improve Suggest changes Share Like Article Like Report The Ds\Set::add() function is an inbuilt function in PHP which is used to add values to the set. Syntax: void public Ds\Set::add( $values ) Parameters: This function accepts a single parameter $values which holds many values to be added in the set. Return value: This function does not return any values. Below programs illustrate the Ds\Set::add() function in PHP: Program 1: php <?php // Declare an empty set $set = new \Ds\Set(); // Use add() function to // add elements to the set $set->add(1); $set->add("Geeks"); $set->add("G"); $set->add(10); var_dump($set); ?> Output: object(Ds\Set)#1 (4) { [0]=> int(1) [1]=> string(5) "Geeks" [2]=> string(1) "G" [3]=> int(10) } Program 2: php <?php // Declare an empty set $set = new \Ds\Set(); // Use add() function to // add elements to the set $set->add(10, 20, 30, "Geeks", "for"); print_r($set); ?> Output: Ds\Set Object ( [0] => 10 [1] => 20 [2] => 30 [3] => Geeks [4] => for ) Reference: https://www.php.net/manual/en/ds-set.add.php Comment More infoAdvertise with us Next Article PHP | Ds\Deque set() Function J jit_t Follow Improve Article Tags : Web Technologies PHP PHP-function PHP-ds_set Similar Reads PHP | Ds\Set clear() Function 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:: 1 min read PHP | Ds\Set clear() Function 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:: 1 min read PHP | Ds\Deque set() Function The Ds\Deque::set() function is an inbuilt function in PHP which is used to set the value at the given index in the Deque. Syntax: public Ds\Deque::set( $index, $value ) : void Parameters: This function accept two parameters as mentioned above and described below: index: This parameter holds the ind 2 min read PHP | Ds\Deque set() Function The Ds\Deque::set() function is an inbuilt function in PHP which is used to set the value at the given index in the Deque. Syntax: public Ds\Deque::set( $index, $value ) : void Parameters: This function accept two parameters as mentioned above and described below: index: This parameter holds the ind 2 min read PHP | Ds\Set copy() Function The Ds\Set::copy() function is an inbuilt function in PHP which is used to returns the copy of the set element. Syntax: Ds\Set public Ds\Set::copy( void ) Parameter: This function does not contains any parameter. Return value: It returns the copy of set elements. Below programs illustrate the Ds\Set 1 min read PHP | Ds\Set copy() Function The Ds\Set::copy() function is an inbuilt function in PHP which is used to returns the copy of the set element. Syntax: Ds\Set public Ds\Set::copy( void ) Parameter: This function does not contains any parameter. Return value: It returns the copy of set elements. Below programs illustrate the Ds\Set 1 min read Like