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socketpair usage

socketpair is a function used to create a pair of sockets connected to each other. It is widely used in Unix systems for inter-process communication (IPC) within the same process. The prototype of its function is "int socketpair(int domain, int type, int protocol, int sv[2]);". The socket created by this function can realize two-way communication between processes and can be used to implement functions such as data transmission, synchronization and notification between processes.

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socketpair php function reset() in_array Detailed explanation strpos()

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socketpair usage

What is socketpair usage?

Sep 15, 2023 pm 04:33 PM

socketpair

Detailed explanation of PHP reset() function usage

Detailed explanation of PHPreset() function usage The reset() function is one of PHP's array functions. Its function is to point the pointer to the first unit of the array and return the value of the unit. The reset() function is often used in array traversal operations to return the pointer to the starting point of the array, thereby achieving the purpose of re-traversing. This article will introduce the usage of reset() function in detail, as well as some precautions. 1. Usage of reset() function The syntax of reset() function is as follows: mixedreset(

Jun 27, 2023 pm 04:21 PM

php function reset()

Detailed explanation of PHP in_array() function usage

There are many practical functions in PHP, among which the in_array() function is one of the more commonly used functions. This article will introduce the usage of in_array() function in detail. First, the in_array() function is used to check whether a value exists in an array. If it exists, return true; if it does not exist, return false. The syntax of the in_array() function is as follows: in_array($needle,$haystack,$strict) parameters

Jun 27, 2023 am 10:18 AM

php in_array function

Detailed explanation of PHP strpos() function usage

Detailed explanation of the usage of PHPstrpos() function In PHP programming, string processing is a very important part. PHP implements string processing by providing some built-in functions. Among them, the strpos() function is one of the most commonly used string functions in PHP. The purpose of this function is to search for the position of another specified string in a specified string, and return this position if it is contained, otherwise it returns false. This article will help you better by analyzing the usage of PHPstrpos() function in detail

Jun 27, 2023 am 10:43 AM

php Detailed explanation strpos()