How to install laravel using composer under mac/linux

The following tutorial column from composer will introduce to you how to install laravel with composer under mac/linux. I hope it will be helpful to friends who need it!

1. Introduction

composer is used by PHP to manage dependencies Tool of. You can declare the external libraries (libraries) you depend on in your project, and composer will install these dependent library files for you.

composer official website address is: https://getcomposer.org/

composer official website download and installation address: https://getcomposer.org/download/

There are two installation methods. One is to download the composer.phar file directly from the official website and install it; the other is to download and install it directly through the command line. Here we mainly introduce the command line installation~

2. Command line installation of composer

Use the php -r command to execute a piece of php code to download the composer-setup.php file

php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"

Note: After executing the above command, you will find that there is a composer-setup.php file in the current directory

Verification, execute the following command:

php -r "if (hash_file('SHA384', 'composer-setup.php') === '544e09ee996cdf60ece3804abc52599c22b1f40f4323403c44d44fdfdd586475ca9813a858088ffbc1f233e9b180f061') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"

Note: If the verification passes after executing the above command, Installer verified

The php file downloaded by executing the above steps

php composer-setup.php

## will be output #Note: A composer.phar file will be generated directly after execution

Delete the composer-setup.php file:

php -r "unlink('composer-setup.php');"

composer.phar is available in Linux Execution program, for example, we can use php composer.phar update to perform update operations. At this point, our composer tool is completely installed. You can use it to install various dependent library files of PHP~

If you want to use composer to install dependent libraries globally, you can execute the following command to install globally:

mv composer.phar /usr/local/bin/composer

Note: After that, you can directly use composer install to install various packages and dependencies. However, usually you only need to add the location of composer.phar to PATH, and it does not have to be installed globally.

3. Domestic image configuration

Because composer loads foreign images by default, due to the existence of the "wall" in China, errors will occur when loading foreign images, so configuration is required Domestic mirroring.

To configure the domestic image, execute the following command:

composer config -g repo.packagist composer https://packagist.phpcomposer.com

4. Use composer to install Laravel

The first four major steps are basic installation and configuration Successful composer, then use the composer tool to install the Laravel framework

Create your own laravel project in your own site directory, for example, name it wxd, and execute the following command:

composer create-project --prefer-dist laravel/laravel wxd

Note: If you want to specify a version, you can use the following command:

composer create-project --prefer-dist laravel/laravel wxd "5.2.*"

Wait for a while after executing the command and wait for the installation to be successful:

Enter the project after the installation is successful. You can see each directory of the framework, including composer.json:

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