PHP网络函数总揽
PHP网络函数总览
checkdnsrr — 给指定的主机(域名)或者IP地址做DNS通信检查
closelog — 关闭系统日志链接
define_syslog_variables — 初始化所有syslog相关变量
dns_check_record — checkdnsrr别名
dns_get_mx — getmxrr别名
dns_get_record — 获取指定主机的DNS记录
fsockopen — 打开一个网络连接或者一个Unix套接字连接
gethostbyaddr — 获取指定的IP地址对应的主机名
gethostbyname — 获取指定的主机名对应的IP地址
gethostbynamel — 获取指定的主机名对应的一系列IP地址
gethostname — 获取主机名
getmxrr — 获取指定的主机名对应的MX记录
getprotobyname — 获取指定的协议名对应的协议号
getprotobynumber — 获取指定的协议号对应的协议名
getservbyname — 获取指定的互联网服务和协议对应的端口号
getservbyport — 获取指定的协议和端口号对应的互联网服务
header_register_callback — 调用一个头部函数
header_remove — 删除之前设置的头部
header — 发送一个自定义的http报文
headers_list — 返回一系列已发送(或准备发送)的响应头部信息
headers_sent — 检查头部是否已经发送或发送到哪里
http_response_code — 获取或设置HTTP响应代码
inet_ntop — 把一个封装的网络地址转化为点分十进制的表示方式
inet_pton — 把一个 点分十进制的IP地址 转化为封装好的 (in_addr) 表示方式
ip2long — 将一个IPV4的字符串互联网协议转换成数字格式
long2ip — 将一个IPV4的数字格式转换成字符串互联网协议
openlog — 打开系统日志记录器的连接
pfsockopen — 打开一个持久的网络连接或者Unix套接字连接。
setcookie — 发送 cookie
setrawcookie — 发送一个原始 cookie (cookie值没有经过URL编码)
socket_get_status — stream_get_meta_data别名
socket_set_blocking — stream_set_blocking别名
socket_set_timeout — stream_set_timeout别名
syslog — 生成一个系统日志消息

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics











We need to use the correct DNS when connecting to the Internet to access the Internet. In the same way, if we use the wrong dns settings, it will prompt a dns server error. At this time, we can try to solve the problem by selecting to automatically obtain dns in the network settings. Let’s take a look at the specific solutions. How to solve win11 network dns server error. Method 1: Reset DNS 1. First, click Start in the taskbar to enter, find and click the "Settings" icon button. 2. Then click the "Network & Internet" option command in the left column. 3. Then find the "Ethernet" option on the right and click to enter. 4. After that, click "Edit" in the DNS server assignment, and finally set DNS to "Automatic (D

Screen brightness is an integral part of using modern computing devices, especially when you look at the screen for long periods of time. It helps you reduce eye strain, improve legibility, and view content easily and efficiently. However, depending on your settings, it can sometimes be difficult to manage brightness, especially on Windows 11 with the new UI changes. If you're having trouble adjusting brightness, here are all the ways to manage brightness on Windows 11. How to Change Brightness on Windows 11 [10 Ways Explained] Single monitor users can use the following methods to adjust brightness on Windows 11. This includes desktop systems using a single monitor as well as laptops. let's start. Method 1: Use the Action Center The Action Center is accessible

The reason for the error is NameResolutionError(self.host,self,e)frome, which is an exception type in the urllib3 library. The reason for this error is that DNS resolution failed, that is, the host name or IP address attempted to be resolved cannot be found. This may be caused by the entered URL address being incorrect or the DNS server being temporarily unavailable. How to solve this error There may be several ways to solve this error: Check whether the entered URL address is correct and make sure it is accessible Make sure the DNS server is available, you can try using the "ping" command on the command line to test whether the DNS server is available Try accessing the website using the IP address instead of the hostname if behind a proxy

In iOS 17, Apple introduced several new privacy and security features to its mobile operating system, one of which is the ability to require two-step authentication for private browsing tabs in Safari. Here's how it works and how to turn it off. On an iPhone or iPad running iOS 17 or iPadOS 17, Apple's browser now requires Face ID/Touch ID authentication or a passcode if you have any Private Browsing tab open in Safari and then exit the session or app to access them again. In other words, if someone gets their hands on your iPhone or iPad while it's unlocked, they still won't be able to view your privacy without knowing your passcode

DNS (DomainNameSystem) is a system used on the Internet to convert domain names into corresponding IP addresses. In Linux systems, DNS caching is a mechanism that stores the mapping relationship between domain names and IP addresses locally, which can increase the speed of domain name resolution and reduce the burden on the DNS server. DNS caching allows the system to quickly retrieve the IP address when subsequently accessing the same domain name without having to issue a query request to the DNS server each time, thereby improving network performance and efficiency. This article will discuss with you how to view and refresh the DNS cache on Linux, as well as related details and sample code. Importance of DNS Caching In Linux systems, DNS caching plays a key role. its existence

Cookies are usually stored in the cookie folder of the browser. Cookie files in the browser are usually stored in binary or SQLite format. If you open the cookie file directly, you may see some garbled or unreadable content, so it is best to use Use the cookie management interface provided by your browser to view and manage cookies.

Microsoft previously provided dns encryption services for win11, but many users do not know how to use win11 encrypted dns. In fact, we only need to open the dns settings under network settings. Detailed tutorial on win11 encrypted dns: 1. First enter the disk and find the folder you want to encrypt. 2. Then open "Ethernet" on the right 3. Then find the DNS server allocation below and click "Edit" 4. After changing "Auto (DHCP)" to "Manual", open "IPv4" below 5. After turning it on, enter "8.8.8.8" in the preferred DNS 6. Then change the preferred DNS encryption to "Encryption only (DNS over HTTPS)" 7. After the changes are completed, click "Save" and you will find

Cookies on your computer are stored in specific locations on your browser, depending on the browser and operating system used: 1. Google Chrome, stored in C:\Users\YourUsername\AppData\Local\Google\Chrome\User Data\Default \Cookies etc.
