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 // 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 // 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: http://php.net/manual/en/ds-set.add.php