composer global require --dev \
phpstan/phpstan \
phpstan/extension-installer \
phpstan/phpstan-beberlei-assert \
szepeviktor/phpstan-wordpress \
jparkinson1991/phpcodesniffer-standards \
squizlabs/php_codesniffer \
phpcompatibility/phpcompatibility-wp \
phpcompatibility/phpcompatibility-all \
dealerdirect/phpcodesniffer-composer-installer \
wp-coding-standards/wpcs

~/.config/composer/vendor/bin
# E.g
~/.config/composer/vendor/bin/psysh
## Install
composer g require psy/psysh:@stable	# or
composer global require psy/psysh:@stable
## https://psysh.org/#install

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 --install-dir=/usr/local/sbin/ --filename=composer
php -r "unlink('composer-setup.php');"

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

{"tags":[{"tag":"textarea","content":"php -r \"copy('https:\/\/getcomposer.org\/installer', 'composer-setup.php');\"\nphp -r \"if (hash_file('sha384', 'composer-setup.php') === '55ce33d7678c5a611085589f1f3ddf8b3c52d662cd01d4ba75c0ee0459970c2200a51f492d557530c71c15d8dba01eae') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;\"\nphp composer-setup.php\nphp -r \"unlink('composer-setup.php');\"","code_language":"whatever"}]}