Ds\Set::intersect

(PECL ds >= 1.0.0)

Ds\Set::intersectCreates a new set by intersecting values with another set

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

Creates a new set using values common to both the current instance and another set. In other words, returns a copy of the current instance with all values removed that are not in the other set.

A �� B = {x : x �� A �� x �� B}

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set

The other set.

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The intersection of the current instance and another set.

See Also

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

<?php
$a 
= new \Ds\Set([123]);
$b = new \Ds\Set([345]);

var_dump($a->intersect($b));
?>

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