Laracon EU Online 2021


(PECL ds >= 1.0.0)

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


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}

Liste de paramètres


The other set.

Valeurs de retour

The intersection of the current instance and another set.

See Also


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

= new \Ds\Set([123]);
$b = new \Ds\Set([345]);


L'exemple ci-dessus va afficher quelque chose de similaire à :

object(Ds\Set)#3 (1) {
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