What are some common Travis CI operations in PHP programming?

With the rapid development of Internet technology, Web development has become one of the most popular industries. PHP is one of the most used server-side scripting languages ​​in the world, and many developers are using Travis CI to automate building and testing their applications. This article will introduce some common Travis CI operations to help PHP developers make better use of this tool.

1. What is Travis CI

Travis CI is an open source continuous inheritance tool, which is suitable for operating systems such as Mac, Linux and BSD. Developers can automatically build, test, and deploy code on platforms such as GitHub to remote servers through configuration files. Travis CI is widely used in web development, mobile application development, desktop application development and other fields, making the entire development process more automated and improving software development efficiency.

2. Use Travis CI to build a PHP program

When using Travis CI to build a PHP program, you need to create a project warehouse containing the ".travis.yml" file. This file contains configuration information for build, test, deployment and other processes. The following is a basic PHP project build configuration file:

language: php
php:
  - 7.4
  - 7.3
  - 7.2
  - 7.1
  - 7.0
  - 5.6
install:
  - composer install
script:
  - phpunit 

The above configuration file indicates that the PHP language is used to build, and the PHP version number that needs to be tested is set. After using composer to install the project dependencies, execute PHPUnit for testing.

3. Set environment variables

Travis CI supports setting environment variables to manage sensitive information such as API keys to prevent this information from being maliciously obtained. The following is the configuration file for how to set environment variables in Travis CI:

language: php
php:
  - 7.4
  - 7.3
  - 7.2
  - 7.1
  - 7.0
  - 5.6
install:
  - composer install
script:
  - phpunit
env:
  global:
    - MY_SECRET_KEY=secret

In the above configuration file, env is used to set global environment variables. This key can be obtained through $MY_SECRET_KEY in the script.

4. Deploying PHP programs

Travis CI can not only build and test programs, but also deploy programs to cloud servers through remote deployment for better integration testing. The following is the configuration file for how to deploy in Travis CI:

language: php
php:
  - 7.4
  - 7.3
  - 7.2
  - 7.1
  - 7.0
  - 5.6
install:
  - composer install
script:
  - phpunit
deploy:
  provider: heroku
  api_key: "HEROKU_API_KEY"
  app: "APP_NAME"
  on:
    branch: master

In the above configuration file, deploy is used for deployment, and the deployment platform is heroku, authenticated through api_key. Among them, HEROKU_API_KEY and APP_NAME need to be replaced with real values.

5. Install extensions

Travis CI supports the installation of PHP extensions. You can use the following statement to install the specified extension during build:

language: php
php:
  - 7.4
  - 7.3
  - 7.2
  - 7.1
  - 7.0
  - 5.6
install:
  - composer install
  - pecl install redis
script:
  - phpunit

In the above configuration file, pass The pecl command installs the redis extension so it can be called during testing.

6. Conclusion

This article introduces some common operations for building, testing, and deploying PHP programs using Travis CI. These operations are often used by developers during web development. By learning these operations, developers can better utilize Travis CI tools to make the web development process faster and more efficient.

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