略微加速

PHP官方手册 - 互联网笔记

PHP - Manual: ArrayObject::setFlags

2024-12-22

ArrayObject::setFlags

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

ArrayObject::setFlagsSets the behavior flags

说明

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

Set the flags that change the behavior of the ArrayObject.

参数

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

没有返回值。

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);
?>

以上例程会输出:

NULL
int(1)
add a noteadd a note

User Contributed Notes

There are no user contributed notes for this page.

官方地址:https://www.php.net/manual/en/arrayobject.setflags.php

北京半月雨文化科技有限公司.版权所有 京ICP备12026184号-3