having trouble installing composer

Question

I am installing composer with the following cammand

curl -s https://getcomposer.org/installer | php

But I am keep getting below err

Answer 1

sudo curl -sS https://getcomposer.org/installer | sudo php -- --install-dir=/usr/local/bin

Run this command and it will work, so i think :D

Answer 2

To download / install on MacOSX, you can do the following steps or try the homebrew steps below:

1. Goto a directory you can write to:

   cd ~

2. get composer:

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

3. move composer into a bin directory in your $PATH var:

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

4. double check composer works

   composer about

5. (optional) Update composer:

   sudo composer self-update

Homebrew

brew update
brew tap homebrew/homebrew-php
brew tap homebrew/dupes
brew tap homebrew/versions
brew install php55-intl
brew install homebrew/php/composer

Answer 3

In Ubuntu Vivid 15.04. Try: Steps:

1. Open terminal and write: sudo su and press Enter.
2. Paste this: curl -sS https://getcomposer.org/installer | php and press Enter. (This install composer, Wait to finish)
3. And Finaly Write exit

Note: Sorry, my English is bad :(

Answer 4

In case if you dont have curl in your system, you can still install composer using the following command

Go to a directory where you can write,

cd yourDirectory

php -r "readfile('https://getcomposer.org/installer');" | php -d detect_unicode=off

Answer 5

I had the same error. I ended up adding sudo to the php side and it worked for me.

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

Answer 6

Try this instead and change the setting on the fly, just for this command

curl -sS https://getcomposer.org/installer | php -d detect_unicode=Off