= 5.1.0, PHP 7, PHP 8)ArrayObject::setFlags — Sets the behavior flags說(shuō)明public ArrayObject::setFlags(int $flags): voidSet ">

ArrayObject::setFlags

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

ArrayObject::setFlags — Sets the behavior flags

說(shuō)明

public ArrayObject::setFlags(int $flags): void

Set the flags that change the behavior of the ArrayObject.

參數(shù)

flags

The new ArrayObject behavior. It takes on either a bitmask, or named constants. Using named constants is strongly encouraged to ensure compatibility for future versions.

The available behavior flags are listed below. The actual meanings of these flags are described in the predefined constants.

ArrayObject behavior flags
value constant
1 ArrayObject::STD_PROP_LIST
2 ArrayObject::ARRAY_AS_PROPS

返回值

沒(méi)有返回值。

范例

示例 #1 ArrayObject::setFlags() example

<?php
// Array of available fruits
$fruits = array("lemons" => 1, "oranges" => 4, "bananas" => 5, "apples" => 10);

$fruitsArrayObject = new ArrayObject($fruits);

// Try to use array key as property
var_dump($fruitsArrayObject->lemons);
// Set the flag so that the array keys can be used as properties of the ArrayObject
$fruitsArrayObject->setFlags(ArrayObject::ARRAY_AS_PROPS);
// Try it again
var_dump($fruitsArrayObject->lemons);
?>

以上例程會(huì)輸出：

NULL
int(1)