Php imap module no longer available in php8.4

[rsp]

For Ubuntu/Debian

sudo apt update

sudo apt install -y \
    libc-client-dev \
    libkrb5-dev \
    php8.4-dev \
    php-pear \
    build-essential

sudo pecl install imap

Then enable it:

echo "extension=imap.so" | sudo tee /etc/php/8.4/mods-available/imap.ini

sudo phpenmod imap

Restart your web server and PHP!

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Ref:

1. PHP: Installation - Manual