Ds\Set::diff

(PECL ds >= 1.0.0)

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

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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}

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set

Set containing the values to exclude.

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

See Also

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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));
?>

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