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:
php
php
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
// 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:
Program 2:
Ds\Set Object
(
)
Ds\Set Object
(
[0] => G
[1] => E
[2] => K
[3] => S
)
<?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:
Reference: https://www.php.net/manual/en/ds-set.construct.php
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)
}
