Hi Dev, Learn how to safely downgrade Composer from version 2.8.8 to 2.7.7 on Ubuntu in a few simple steps. This guide walks you through downloading the correct version, replacing the global binary, and verifying the installation. Ideal for developers needing compatibility with older PHP projects or Laravel environments.
Step 1: Check Your Current Composer Versioncomposer --versionStep 2: Download Composer 2.7.7
php -r "copy('https://getcomposer.org/download/2.7.7/composer.phar', 'composer.phar');"
This command downloads the specified version of Composer to your current directory.
Step 3: Composer File Make Executablesudo chmod +x composer.pharStep 4: Find Where is Composer
which composer
After run above command you can get the path of existing composer
Output/usr/local/bin/composerStep 5: Replace Existing Global Composer
sudo mv composer.phar /usr/local/bin/composer
This will overwrite the existing Composer binary with version 2.7.7.
Step 5: Verify the Composer Versioncomposer --version
You should now see:
Composer version 2.7.7 2024-XX-XX
I hope it can help you...