The Ds\Set::intersect() function is an inbuilt function in PHP which is used to create a new set which contains the intersection of two sets.
Syntax:
Ds\Set public Ds\Set::intersect ( Ds\Set $set )
Parameters: This parameter holds the set which contains set elements.
Return Value: This function returns the intersection of current set with other set.
Below programs illustrate the Ds\Set::intersect() function in PHP:
Program 1:
php
<?php // Declare a new set $a = new \Ds\Set([2, 3, 6]);
// Declare another new set $b = new \Ds\Set([2, 4, 6, 7]);
// Print the Intersection of both set echo ("Intersection of both set is: \n");
print_r( $a ->intersect( $b ));
?> |
Output:
Intersection of both set is: Ds\Set Object ( [0] => 2 [1] => 6 )
Program 2:
php
<?php // Declare a new set $a = new \Ds\Set([2, 3, 6, 7, 8]);
// Declare another set $b = new \Ds\Set([2, 3, 5, 8, 9, 10]);
// Print the Intersection of both set echo ("Intersection of both set is: \n");
var_dump( $a ->intersect( $b ));
?> |
Output:
Intersection of both set is: object(Ds\Set)#3 (3) { [0]=> int(2) [1]=> int(3) [2]=> int(8) }
Reference: https://www.php.net/manual/en/ds-set.intersect.php