Composer packages can be installed using Terminal in the cPanel or using SSH. If you cannot find Terminal in your cPanel, you can submit a support ticket from your account to request for it to be enabled.
composer install command requires php allow_url_fopen directive to be on. However, the directive is disabled by default on our servers.
Refer to the article below for how to enable allow_url_fopen:
After turning the directive on, composer install might still report that the directive is disabled.
In the terminal, execute
It will output the location of the composer executable: example
Now that you have the composer location, you can run composer install using the command below.
/usr/local/bin/ea-php74 -d allow_url_fopen=On /opt/cpanel/composer/bin/composer install
Note: The above command assumes that the PHP version is set to ea-74 in the cPanel if you are using MultiPHP Manager:
You can change it to /usr/local/bin/ea-php73 if you are using PHP 7.3
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