How to remove PPA repository
sudo add-apt-repository --remove -y ppa:ondrej/php sudo apt update
sudo apt-get install ppa-purge sudo ppa-purge ppa:ondrej/php sudo apt update sudo apt autoremove
sudo add-apt-repository --remove -y ppa:ondrej/php sudo apt update
sudo apt-get install ppa-purge sudo ppa-purge ppa:ondrej/php sudo apt update sudo apt autoremove
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