SHELL

insatll php composer

//php composer versionv2.4.4

php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
php -r "if (hash_file('sha384', 'composer-setup.php') === '55ce33d7678c5a611085589f1f3ddf8b3c52d662cd01d4ba75c0ee0459970c2200a51f492d557530c71c15d8dba01eae') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"
php composer-setup.php
php -r "unlink('composer-setup.php');"
 
//move composer.phar to bin dir
sudo mv composer.phar /usr/local/bin/composer

//update composer
composer self-update

installing composer command line

Installing composer commandline
php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
php -r "if (hash_file('sha384', 'composer-setup.php') === '756890a4488ce9024fc62c56153228907f1545c228516cbf63f885e036d37e9a59d27d63f46af1d4d07ee0f76181c7d3') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"
php composer-setup.php
php -r "unlink('composer-setup.php');"

how to install composer package manually php

# this is cause not spesific version or not have release package
# you can use this command

composer require metaregistrar/php-dns-client:dev-master

where do you install composer

// Adding permissions after installing Composer on Mac OSX
sudo chmod 755 /usr/local/bin/composer.phar