UnitEnum::cases

(PHP 8 >= 8.1.0)

UnitEnum::casesGenerates a list of cases on an enum

Descrizione

public static UnitEnum::cases(): array

This method will return a packed array of all cases in an enumeration, in order of declaration.

Elenco dei parametri

Questa funzione non contiene parametri.

Valori restituiti

An array of all defined cases of this enumeration, in order of declaration.

Esempi

Example #1 Basic usage

The following example illustrates how enum cases are returned.

<?php
enum Suit
{
case
Hearts;
case
Diamonds;
case
Clubs;
case
Spades;
}

var_dump(Suit::cases());
?>

Il precedente esempio visualizzerĂ :

array(4) {
    [0]=>
    enum(Suit::Hearts)
    [1]=>
    enum(Suit::Diamonds)
    [2]=>
    enum(Suit::Clubs)
    [3]=>
    enum(Suit::Spades)
}
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User Contributed Notes 1 note

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8
avishkasenanayake at hotmail dot com
1 year ago
If anyone is here wondering how to get all the names from the enum cases and map them into an array, it can be done like this:

array_column(CampaignPeriods::cases(), 'name');

Likewise, have the 2nd argument as 'value' to get the enum's values.

Happy coding, web artisan :)
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