


Summary of the series of functions related to socket in php_PHP tutorial
Summary of the series of socket functions in PHP
This article lists all the functions that use socket-related services in the PHP language. Note that before using the following functions, you need to ensure that your socket is open. If you have not opened it, please edit your php.ini file and remove the comment (semicolon) in front of the following line:
The code is as follows:
extension=php_sockets.dll
If you cannot remove the comment, please use the following code to load the extension library:
The code is as follows:
if(!extension_loaded('sockets')){
if(strtoupper(substr(PHP_OS,3))=="WIN"){
dl('php_sockets.dll');
}else{
dl('sockets.so');
}
}
If you don’t know whether your socket is open, then you can use the phpinfo() function to determine whether the socket is open. You can check whether the socket is open by checking the phpinfo information.
php socket related functions are as follows:
The code is as follows:
Socket_accept() accepts a Socket connection
Socket_bind() binds the socket to an IP address and port
Socket_clear_error() clears the socket error or the last error code
Socket_close() closes a socket resource
socket_connect() starts a socket connection
socket_create_listen() opens a socket listening on the specified port
socket_create_pair() generates a pair of indistinguishable sockets into an array
Socket_create() generates a socket, which is equivalent to generating a socket data structure
socket_get_option() Gets socket options
Socket_getpeername() Gets the IP address of a remote similar host
Socket_getsockname() Gets the IP address of the local socket
socket_iovec_add() adds a new vector to a scatter/aggregate array
socket_iovec_alloc() This function creates an iovec data structure that can be sent, received, read and written
socket_iovec_delete() deletes an allocated iovec
Socket_iovec_fetch() returns the data of the specified iovec resource
Socket_iovec_free() releases an iovec resource
socket_iovec_set() sets the new value of iovec data
Socket_last_error() Gets the last error code of the current socket
Socket_listen() listens to all connections from the specified socket
socket_read() reads data of specified length
socket_readv() reads data from the scatter/aggregate array
Socket_recv() ends the data from the socket to the cache
Socket_recvfrom() accepts data from the specified socket. If not specified, it defaults to the current socket
Socket_recvmsg() receives messages from iovec
socket_select() Multiple selection
socket_send() This function sends data to the connected socket
socket_sendmsg() sends a message to socket
socket_sendto() sends a message to the socket at the specified address
socket_set_block() Set the socket to block mode
socket_set_nonblock() Set the socket to non-block mode
socket_set_option() Set socket options
Socket_shutdown() This function allows you to close reading, writing, or the specified socket
Socket_strerror() returns the detailed error of the specified error number
Socket_write() writes data to the socket cache
socket_writev() writes data to the scatter/aggregate array

What’s still popular is the ease of use, flexibility and a strong ecosystem. 1) Ease of use and simple syntax make it the first choice for beginners. 2) Closely integrated with web development, excellent interaction with HTTP requests and database. 3) The huge ecosystem provides a wealth of tools and libraries. 4) Active community and open source nature adapts them to new needs and technology trends.

PHP and Python are both high-level programming languages that are widely used in web development, data processing and automation tasks. 1.PHP is often used to build dynamic websites and content management systems, while Python is often used to build web frameworks and data science. 2.PHP uses echo to output content, Python uses print. 3. Both support object-oriented programming, but the syntax and keywords are different. 4. PHP supports weak type conversion, while Python is more stringent. 5. PHP performance optimization includes using OPcache and asynchronous programming, while Python uses cProfile and asynchronous programming.

PHP is mainly procedural programming, but also supports object-oriented programming (OOP); Python supports a variety of paradigms, including OOP, functional and procedural programming. PHP is suitable for web development, and Python is suitable for a variety of applications such as data analysis and machine learning.

PHP originated in 1994 and was developed by RasmusLerdorf. It was originally used to track website visitors and gradually evolved into a server-side scripting language and was widely used in web development. Python was developed by Guidovan Rossum in the late 1980s and was first released in 1991. It emphasizes code readability and simplicity, and is suitable for scientific computing, data analysis and other fields.

PHP is suitable for web development and rapid prototyping, and Python is suitable for data science and machine learning. 1.PHP is used for dynamic web development, with simple syntax and suitable for rapid development. 2. Python has concise syntax, is suitable for multiple fields, and has a strong library ecosystem.

PHP remains important in the modernization process because it supports a large number of websites and applications and adapts to development needs through frameworks. 1.PHP7 improves performance and introduces new features. 2. Modern frameworks such as Laravel, Symfony and CodeIgniter simplify development and improve code quality. 3. Performance optimization and best practices further improve application efficiency.

PHPhassignificantlyimpactedwebdevelopmentandextendsbeyondit.1)ItpowersmajorplatformslikeWordPressandexcelsindatabaseinteractions.2)PHP'sadaptabilityallowsittoscaleforlargeapplicationsusingframeworkslikeLaravel.3)Beyondweb,PHPisusedincommand-linescrip

PHP type prompts to improve code quality and readability. 1) Scalar type tips: Since PHP7.0, basic data types are allowed to be specified in function parameters, such as int, float, etc. 2) Return type prompt: Ensure the consistency of the function return value type. 3) Union type prompt: Since PHP8.0, multiple types are allowed to be specified in function parameters or return values. 4) Nullable type prompt: Allows to include null values and handle functions that may return null values.


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

WebStorm Mac version
Useful JavaScript development tools

EditPlus Chinese cracked version
Small size, syntax highlighting, does not support code prompt function

PhpStorm Mac version
The latest (2018.2.1) professional PHP integrated development tool

DVWA
Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is very vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, to help web developers better understand the process of securing web applications, and to help teachers/students teach/learn in a classroom environment Web application security. The goal of DVWA is to practice some of the most common web vulnerabilities through a simple and straightforward interface, with varying degrees of difficulty. Please note that this software

SublimeText3 English version
Recommended: Win version, supports code prompts!