ArrayObject::__construct

(PHP 5, PHP 7, PHP 8)

ArrayObject::__construct — Construct a new array object

说明

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

This constructs a new array object.

参数

array

The array parameter accepts an array or an Object.

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.

返回值

Returns an ArrayObject object on success.

错误／异常

Throws InvalidArgumentException when:

  • array is not an array or object
  • flags is not an integer
  • iteratorClass is not an object that implements Iterator

范例

示例 #1 ArrayObject::__construct() example

<?php
$array = array('1' => 'one',
               '2' => 'two',
               '3' => 'three');

$arrayobject = new ArrayObject($array);

var_dump($arrayobject);
?>

以上例程会输出：

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

参见