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ArrayObject::__construct

(PHP 5, PHP 7, PHP 8)

ArrayObject::__constructConstruct a new array object

Descrizione

public function ArrayObject::__construct(array|object $array = [], int $flags = 0, string $iteratorClass = ArrayIterator::class)

This constructs a new array object.

Avviso

As of PHP 8.5.0, passing an enum as the array parameter throws an InvalidArgumentException. Modifying the $name or $value properties of an enum would break engine assumptions.

Elenco dei parametri

array

The array parameter accepts an array or an object. Passing an object is deprecated as of PHP 8.5.0.

flags

Flags to control the behaviour of the ArrayObject object. See ArrayObject::setFlags().

iteratorClass

Specify the class that will be used for iteration of the ArrayObject object. The class must be a subtype of the ArrayIterator class.

Errori/Eccezioni

As of PHP 8.5.0, throws an InvalidArgumentException if array is an enum.

Log delle modifiche

Versione Descrizione
8.5.0 Passing an enum as array now throws an InvalidArgumentException.
8.5.0 Passing an object as array is deprecated.

Esempi

Example #1 ArrayObject::__construct() example

<?php

$array = [
    '1' => 'one',
    '2' => 'two',
    '3' => 'three'
];

$arrayobject = new ArrayObject($array);

var_dump($arrayobject);

?>

Il precedente esempio visualizzerà:

object(ArrayObject)#1 (1) {
  ["storage":"ArrayObject":private]=>
  array(3) {
    [1]=>
    string(3) "one"
    [2]=>
    string(3) "two"
    [3]=>
    string(5) "three"
  }
}

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