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Example code of asinfotrack/yii2-semaphore

Informations about the package yii2-semaphore

Yii2-semaphore

A lightweight semaphore component for the yii2-framework

Installation

Add dependency

The preferred way to install this extension is through composer.

Either run

or add

to the require section of your composer.json file.

Configuration

All you need to do is add the component config to your corresponding config file.

Usage

The following example code shows how to work with the component within a console command. The two methods differ in the way the handle the case when a semaphore is taken already: the first method waits for the lock to become available, while the second doesn't. Without the second param of acquire() set to false, the lock is awaited.

For each semaphore you work with a string constant which can be freely defined. In this manner multiple semaphores can be used in parallel.

Implementations

File based implementation

Class: asinfotrack\yii2\semaphore\components\FileSemaphore
Internally the component works with the php flock()-function. Therefore you have to keep in mind the differences between the underlying operating systems.

Chagelog

v1.0.0

All versions of yii2-semaphore with dependencies

PHP Build Version
Package Version
Requires php Version >=7.0
yiisoft/yii2 Version ~2.0.15
Composer command for our command line client (download client) This client runs in each environment. You don't need a specific PHP version etc. The first 20 API calls are free. Standard composer command

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