Php/docs/ds-set.diff

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• Creates a new set using values that aren't in another set

Ds\Set::diff

(PECL ds >= 1.0.0)

Ds\Set::diff — Creates a new set using values that aren't in another set

Description

public Ds\Set::diff ( Ds\Set $set ) : Ds\Set

Creates a new set using values that aren't in another set.

A \ B = {x ∈ A | x ∉ B}

Parameters

set

Set containing the values to exclude.

Return Values

A new set containing all values that were not in the other set.

See Also

• » Compliment on Wikipedia

Examples

Example #1 Ds\Set::diff() example

<?php$a = new \Ds\Set([1, 2, 3]);$b = new \Ds\Set([3, 4, 5]);var_dump($a->diff($b));?>

The above example will output something similar to:

object(Ds\Set)#3 (2) {
  [0]=>
  int(1)
  [1]=>
  int(2)
}