Comparison of Sieve libs in PHP

If you are looking for a lib in PHP in 2024 for Sieve, there are a few options compared below. Please also see: http://sieve.info/libraries

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https://packagist.org/packages/pear/net_sieve

• Brings in Pear dependencies
• Code started somewhere between 1997 and 2002

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https://packagist.org/packages/nextcloud/horde-managesieve

• Brings in Horde dependencies
• A descendant/fork of pear/net_sieve so code seems to have started started somewhere between 1997 and 2002.

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MailSo in SnappyMail

• https://github.com/the-djmaze/snappymail/tree/master/snappymail/v/0.0.0/app/libraries/MailSo/Sieve

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https://packagist.org/packages/protonlabs/libsieve-php

• Standalone
• Started in approx 2001 and modernized for PHP 8.

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https://packagist.org/packages/henrique-borba/php-sieve-manager

• Standalone
• Started in 2022
• Made for Cypht Webmail, and available to any PHP project
• The 4 other libs above were reviewed in November and December 2023 and all the good ideas were rewritten into php-sieve-manager