The Ds\Set::diff() function is an inbuilt function in PHP which is used to create a set which contains the elements of the first set which are not present in the second set.
Syntax:
Ds\Set public Ds\Set::diff ( Ds\Set $set )
Parameters: It is used to hold the set, which value need to exclude.
Return Value: It returns a new set containing the elements of the first set which are not present in the second set.
Below programs illustrate the Ds\Set::diff() function in PHP:
Program 1:
<?php // Declare a new set $a = new \Ds\Set([2, 3, 6]); // Declare another new set $b = new \Ds\Set([2, 4, 6, 7]); // Print the diff of set echo("Difference of set1 and set2: \n"); print_r($a->diff($b)); ?> |
Output:
Difference of set1 and set2:
Ds\Set Object
(
[0] => 3
)
Program 2:
<?php // Declare a new set $a = new \Ds\Set([2, 3, 6, 7, 8]); // Declare another new set $b = new \Ds\Set([2, 3, 5, 8, 9, 10]); // Print the diff of set echo("Difference of set1 and set2: \n"); var_dump($a->diff($b)); ?> |
Output:
Difference of set1 and set2:
object(Ds\Set)#3 (2) {
[0]=>
int(6)
[1]=>
int(7)
}
Reference: https://www.php.net/manual/en/ds-set.diff.php
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