Yioop is a GPLv3 licensed, open source, PHP search engine portal software. https://www.seekquarry.com
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Chris Pollett 4a7331584a fix issue with item_recommendation not being populated by recommendationJob, a=chris 1 week ago
src fix issue with item_recommendation not being populated by recommendationJob, a=chris 1 week ago
tests Rewrite of prepareIndexMap to see if can reduce memory footprint, a=chris 3 weeks ago
work_directory Update Copyright info, implement Aris Pangiotopoulos CSS suggestions, a=chris 10 months ago
.gitignore Get default work directory to automatically create profile, a=chris 6 years ago
.htaccess Tweaks to get yioop to work if not using redirects or if using PHP 8, a=chris 10 months ago
INSTALL.txt pdate help documentation for Yioop 7.0 1 year ago
LICENSE.txt Adds the ability to crreate and prioritize landing highlights, a=chris 1 year ago
README.txt pdate help documentation for Yioop 7.0 1 year ago
composer.json Modify minimum php requirement in composer.json, a=chris 8 months ago
composer.lock add back missing return statement hyphenateEntities, a=chris 8 months ago
index.php Very preliminary pass at Version 3 index, a=chris 4 months ago


SeekQuarry/Yioop --
Open Source Pure PHP Search Engine, Crawler, and Indexer

Copyright (C) 2009 - 2020 Chris Pollett chris@pollett.org



This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.

The Yioop search engine consists of three main

src/executables/Fetcher.php - used to download batches of urls provided
the queue_server.
src/executables/QueueServer.php - maintains a queue of urls that are
going to be scheduled to be seen. It also keeps
track of what has been seen and robots.txt info.
Its last responsibility is to create the index_archive
that is used by the search front end.

index.php -- a search engine web page. It is also used
to handle message passing between the fetchers
(multiple machines can act as fetchers) and the

You can download the SeekQuarry search engine from

The Yioop search engine requires PHP 7.1.

The source code is mainly due to Chris Pollett.
Other contributors include: Charles Bocage, Timothy Chow, Mangesh Dahale,
Ravi Dhillon, Priya Gangaraju, Yangcha Ho, Akshat Kukreti, Pooja Mishra,
Sreenidhi Pundi Muralidharan, Nakul Natu, Shailesh Padave, Vijaya Pamidi,
Snigdha Parvatneni, Akash Patel, Vijeth Patil, Mallika Perepa, Tarun Pepira,
Eswara Rajesh Pinapala, Tamayee Potluri, Forrest Sun, Shawn Tice,
Pushkar Umaranikar, Sandhya Vissapragada. Several people helped with
localization: My wife, Mary Pollett, Jonathan Ben-David, Ismail.B,
Andrea Brunetti, Thanh Bui, Sujata Dongre, Animesh Dutta, Aida Khosroshahi,
Radha Kotipalli, Youn Kim, Akshat Kukreti, Chao-Hsin Shih, Ahmed Kamel Taha,
and Sugi Widjaja.

Please see the INSTALL file

Documentation and Support
Please check out seekquarry.com