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After reading on web, I learned that XAMPP has php-cli pre-installed and it is accessed by /opt/lampp/bin/php . I installed composer using the following and all went well:

sudo curl -s https://getcomposer.org/installer | /opt/lampp/bin/php

Composer was installed perfectly. After that, I did this to make it global:

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

Now I made a folder called "fb" and made following composer.json file :

{"require":{        "facebook/php-sdk-v4":"4.0.*"   }}

Now when I type $ composer install in terminal, following message is displayed:

rohan@sanap:~/Desktop/fb$ composer install
/usr/bin/env: php: No such file or directory

Please help me to use composer. What should I do in following situation?

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24

Install composer like so:

sudo curl -s https://getcomposer.org/installer | /opt/lampp/bin/php

After installation, you should then symlink it by running command:

sudo ln -s /opt/lampp/bin/php /usr/local/bin/php

Then run the command below to allow the 'composer' command to be run globally (this will be run from within the folder where you've just installed composer in which a composer.phar file has just been created):

sudo mv composer.phar /usr/local/bin/composer
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    also "mv composer.phar /usr/local/bin/composer" worked for me. – Naveen Kumar V Jul 9 '18 at 18:52
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    @NaveenKumarV thanks for the comment that was the final touch that was need for mine to work !. – kinsley kajiva May 6 '19 at 8:38
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    @NaveenKumarV Your comment should be added to the solution. Running composer without doing this final step doesn't work. – Raymond Wachaga Jun 18 '19 at 19:48
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  1. Enable the php version from xampp globally

    In Terminal run: sudo gedit /etc/environment

    Add this inside quote ":/opt/lampp/bin"

    click save then close everything.

    or symlink - "ln -s /opt/lampp/bin/php /usr/local/bin/php"

  2. Install Curl sudo apt-get install curl

  3. Install composer sudo curl -sS https://getcomposer.org/installer | php

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

now:: try "composer" - it should work!

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1

I found out the solution. XAMPP has php-cli already installed so there is no need to install php-cli via apt-get.

The reason for the above problem is, as PHP is installed as a bundle along with XAMPP, the OS doesn't know it is there. So for this we should add the XAMPP php to environment variables. This done by typing following command in terminal

export PATH=$PATH:/opt/lampp/bin

Now, I can use my global setup of Composer effortlessly!

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