PHP | Ds\Set __construct() Function

Last Updated : 16 Aug, 2019
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The Ds\Set::__construct() function is an inbuilt function in PHP which is used to create new instance of set. Syntax:
Ds\Set::__construct( $values )
Parameters: This function accepts single parameter $values which holds the traversable object or array to use initial values. Below programs illustrate the Ds\Set::__construct() function in PHP: Program 1: php
<?php 
 
// Declare a new set
$set = new \Ds\Set();
print_r($set);

// Declare a new set
$set = new \Ds\Set(['G', 'E', 'K', 'S']); 
print_r($set);

?>
Output:
Ds\Set Object
(
)
Ds\Set Object
(
    [0] => G
    [1] => E
    [2] => K
    [3] => S
)
Program 2: php
<?php 
 
// Declare a new set
$set = new \Ds\Set([2, 3, 6, 7, 8]); 
var_dump($set);

// Declare a new set
$set = new \Ds\Set([2, 3, 5, 8, 9, 10]); 
var_dump($set);
?>
Output:
object(Ds\Set)#1 (5) {
  [0]=>
  int(2)
  [1]=>
  int(3)
  [2]=>
  int(6)
  [3]=>
  int(7)
  [4]=>
  int(8)
}
object(Ds\Set)#2 (6) {
  [0]=>
  int(2)
  [1]=>
  int(3)
  [2]=>
  int(5)
  [3]=>
  int(8)
  [4]=>
  int(9)
  [5]=>
  int(10)
}
Reference: https://www.php.net/manual/en/ds-set.construct.php

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