Can composer be installed independently?

Composer Installation

Wondows Platform

On the Wondows platform, we only need to download Composer-Setup.exe and install it step by step.

It should be noted that you need to enable openssl configuration. We open php.ini in the php directory and remove the semicolon in front of extension=php_openssl.dll.

Related recommendations: "composer usage tutorial"

After successful installation, we can enter composer through the command window (cmd) - -version command to check whether the installation is successful:

Next we can change Packagist to the domestic image:

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

Linux platform

Linux platform can be installed using the following command:

# php -r "copy('https://install.phpcomposer.com/installer', 'composer-setup.php');"
# php composer-setup.php
All settings correct for using Composer
Downloading...
Composer (version 1.6.5) successfully installed to: /root/composer.phar
Use it: php composer.phar

Move composer.phar so that composer can make global calls:

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

Switch to domestic mirror:

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

Update composer:

# composer selfupdate

Mac OS system

Mac OS system can be installed using the following command:

$ curl -sS https://getcomposer.org/installer | php
$ sudo mv composer.phar /usr/local/bin/composer
$ composer --version
Composer version 1.7.2 2018-08-16 16:57:12

Switch to domestic mirror:

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

Update composer:

$ composer selfupdate

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