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How To Install PHP Composer on CentOS 7

reference:http://idroot.net/tutorials/how-to-install-php-composer-on-centos-7/I

n this tutorial we will show you how to install and configuration of PHP Composer on your CentOS 7 server. For those of you who didn’t know, Composer is a dependency management tool for PHP similar to npm for Node.js and bundle for ruby. It permits you to declare the subordinate libraries your task needs and it will install them in your project for you.

This article assumes you have at least basic knowledge of linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple. I will show you through the step by step installation PHP Composer in CentOS 7 server.

Install PHP Composer on CentOS 7

Step 1. First let’s start by ensuring your system is up-to-date.

yum -y update
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yum -y update
Step 2. Installing Composer.

Download and install Composer by executing the following command:

curl -sS https://getcomposer.org/installer | php
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curl -sS https://getcomposer.org/installer | php
Sample result:

[root@idroot ~]# curl -sS https://getcomposer.org/installer | php
#!/usr/bin/env php
Some settings on your machine may cause stability issues with Composer.
If you encounter issues, try to change the following:

Your PHP (5.3.3) is quite old, upgrading to PHP 5.3.4 or higher is recommended.
Composer works with 5.3.2+ for most people, but there might be edge case issues.

Downloading...

Composer successfully installed to: /root/composer.phar
Use it: php composer.phar
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[root@idroot ~]# curl -sS https://getcomposer.org/installer | php
#!/usr/bin/env php
Some settings on your machine may cause stability issues with Composer.
If you encounter issues, try to change the following:
 
Your PHP (5.3.3) is quite old, upgrading to PHP 5.3.4 or higher is recommended.
Composer works with 5.3.2+ for most people, but there might be edge case issues.
 
Downloading...
 
Composer successfully installed to: /root/composer.phar
Use it: php composer.phar
Once the process completes, you can make the ‘composer.phar’ file executable by running the following command:

chmod +x composer.phar
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chmod +x composer.phar
Now use the following commands to make composer available globally for all users in your system, which can be used for all php applications on that system:

mv composer.phar /usr/local/bin/composer
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mv composer.phar /usr/local/bin/composer
You can also check the version of composer by running bellow command:

composer -V
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composer -V
The output of the command should be similar to this:

Composer version 1.0-dev (7a9eb02190d334513e99a479510f87eed18cf958) 2015-9-08 10:46:33
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Composer version 1.0-dev (7a9eb02190d334513e99a479510f87eed18cf958) 2015-9-08 10:46:33
Congratulation’s! You have successfully installed PHP Composer. Thanks for using this tutorial for installing PHP Composer on your CentOS 7 system. For additional help or useful information, we recommend you to check the official composer web site.