Sock function introduction
Function name | Description |
socket_accept() | Accept a Socket connection |
socket_bind() | Bind the socket to an IP address and port |
socket_clear_error() | Clear the socket error or the last error code |
socket_close() | Close a socket resource |
socket_connect() | Start a socket connection |
socket_create_listen() | Open a socket listening on the specified port |
socket_create_pair() | Generate a pair of undifferentiated sockets into an array |
socket_create() | Generate a socket, which is equivalent to generating a socket data structure |
socket_get_option() | Get the socket option |
socket_getpeername() | Get the IP address of a remote similar host |
socket_getsockname() | Get the IP address of the local socket |
socket_iovec_add() | Add a new vector to a scatter/aggregate array |
socket_iovec_alloc() | This function creates an iovec data structure capable of sending, receiving, reading and writing |
socket_iovec_delete() | Delete an already allocated iovec |
socket_iovec_fetch() | Return the data of the specified iovec resource |
socket_iovec_free() | Release an iovec resource |
socket_iovec_set() | Set iovec New value of data |
socket_last_error() | Get the last error code of the current socket |
socket_listen() | Listen to all connections from the specified socket |
socket_read() | Read data of the specified length |
socket_readv() | Read Get the data from the scattered/aggregated array |
socket_recv() | End the data from the socket to the cache |
socket_recvfrom() | Accept data from the specified socket, if not specified, the current socket will be defaulted |
socket_recvmsg() | Receive messages from iovec |
socket_select() | Multiple selection |
socket_send() | This function sends data to the connected socket |
socket_sendmsg() | Send a message to the socket |
socket_sendto() | Send a message to the socket at the specified address |
socket_set_block() | Set to block mode in the socket |
socket_set_nonblock() | Socket is set 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 specified error number Detailed error of |
socket_write() | Write data to socket cache |
socket_writev() | Write data to scatter/aggregate array |
The above has introduced the php socket function, including the function and Socket aspects. I hope it will be helpful to friends who are interested in PHP tutorials.

PHP is widely used in e-commerce, content management systems and API development. 1) E-commerce: used for shopping cart function and payment processing. 2) Content management system: used for dynamic content generation and user management. 3) API development: used for RESTful API development and API security. Through performance optimization and best practices, the efficiency and maintainability of PHP applications are improved.

PHP makes it easy to create interactive web content. 1) Dynamically generate content by embedding HTML and display it in real time based on user input or database data. 2) Process form submission and generate dynamic output to ensure that htmlspecialchars is used to prevent XSS. 3) Use MySQL to create a user registration system, and use password_hash and preprocessing statements to enhance security. Mastering these techniques will improve the efficiency of web development.

PHP and Python each have their own advantages, and choose according to project requirements. 1.PHP is suitable for web development, especially for rapid development and maintenance of websites. 2. Python is suitable for data science, machine learning and artificial intelligence, with concise syntax and suitable for beginners.

PHP is still dynamic and still occupies an important position in the field of modern programming. 1) PHP's simplicity and powerful community support make it widely used in web development; 2) Its flexibility and stability make it outstanding in handling web forms, database operations and file processing; 3) PHP is constantly evolving and optimizing, suitable for beginners and experienced developers.

PHP remains important in modern web development, especially in content management and e-commerce platforms. 1) PHP has a rich ecosystem and strong framework support, such as Laravel and Symfony. 2) Performance optimization can be achieved through OPcache and Nginx. 3) PHP8.0 introduces JIT compiler to improve performance. 4) Cloud-native applications are deployed through Docker and Kubernetes to improve flexibility and scalability.

PHP is suitable for web development, especially in rapid development and processing dynamic content, but is not good at data science and enterprise-level applications. Compared with Python, PHP has more advantages in web development, but is not as good as Python in the field of data science; compared with Java, PHP performs worse in enterprise-level applications, but is more flexible in web development; compared with JavaScript, PHP is more concise in back-end development, but is not as good as JavaScript in front-end development.

PHP and Python each have their own advantages and are suitable for different scenarios. 1.PHP is suitable for web development and provides built-in web servers and rich function libraries. 2. Python is suitable for data science and machine learning, with concise syntax and a powerful standard library. When choosing, it should be decided based on project requirements.

PHP is a scripting language widely used on the server side, especially suitable for web development. 1.PHP can embed HTML, process HTTP requests and responses, and supports a variety of databases. 2.PHP is used to generate dynamic web content, process form data, access databases, etc., with strong community support and open source resources. 3. PHP is an interpreted language, and the execution process includes lexical analysis, grammatical analysis, compilation and execution. 4.PHP can be combined with MySQL for advanced applications such as user registration systems. 5. When debugging PHP, you can use functions such as error_reporting() and var_dump(). 6. Optimize PHP code to use caching mechanisms, optimize database queries and use built-in functions. 7


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