PHP Variable not changing

During the deploy capistrano try to download composer with "php" but it should use "php7cli".
I've added these lines in my deploy.rb:
`SSHKit.config.command_map[:php] = "php7cli"
SSHKit.config.command_map[:composer] = "php7cli #{shared_path.join("composer.phar")}"`

php7cli is and alias in my .bashrc. I've tried it with an complete path but still it doesnt work.

I've also tried this in my production.rb:
`etch(:default_env).merge!(PATH: '$PATH:usr/local/bin/php7-70STABLE-CLI')`

Still... No luck for me