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UnitEnum::cases

(PHP 8 >= 8.1.0)

UnitEnum::casesGenerates a list of cases on an enum

Descripción

public static UnitEnum::cases(): array

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

Parámetros

Esta función no tiene parámetros.

Valores devueltos

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

Ejemplos

Ejemplo #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());
?>

El resultado del ejemplo sería:

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

User Contributed Notes 1 note

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36
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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