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111 lines
4.2 KiB
111 lines
4.2 KiB
2 years ago
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PEAR Libraries
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====================================================================
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This directory (lib/pear) contains unmodified copies of some
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libraries from the standard PEAR distribution (http://pear.php.net).
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We include these in Moodle solely for the convenience of sites that
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may not have PEAR installed.
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If this directory is DELETED from Moodle then Moodle will search
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the standard PHP directories and use the PEAR libraries there instead.
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In detail, the libraries added here are:
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- PEAR HTML_Quickform:
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- Current version: 3.2.6
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- by Bertrand Mansion, Adam Daniel, Alexey Borzov
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- License: PHP (Permission given to Moodle to redistribute under GPL)
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- http://pear.php.net/package/HTML_Quickform
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- PEAR HTML_Quickform_Renderer_Tableless:
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- Current version: 0.3.4
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- by Mark Wiesemann
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- License: PHP (Permission given to Moodle to redistribute under GPL)
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- http://pear.php.net/package/HTML_QuickForm_Renderer_Tableless
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- PEAR HTML_QuickForm_DHTMLRulesTableless:
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- Current version: 0.1.2
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- by Alexey Borzov, Adam Daniel, Bertrand Mansion, Justin Patrin, Mark Wiesemann
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- License: PHP (Permission given to Moodle to redistribute under GPL)
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- http://pear.php.net/package/HTML_QuickForm_DHTMLRulesTableless
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- PEAR HTML_Common:
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- Current version: 1.2.2
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- by Adam Daniel, Bertrand Mansion, Klaus Guenther, Alexey Borzov,
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- License: PHP (Permission given to Moodle to redistribute under GPL)
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- http://pear.php.net/package/HTML
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- PEAR main class:
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- Current version: 1.4.5
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- by Stig Bakken, Thomas V.V.Cox, Pierre-Alain Joye,
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Greg Beaver and Martin Jansen
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- License: PHP
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- http://pear.php.net/package/PEAR
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- PEAR HTML_AJAX:
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- Current version: 0.5.6
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- by Elizabeth Smith, Arpad Ray, Joshua Eichorn, David Coallier and Laurent Yaish
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- License: LGPL
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- http://pear.php.net/package/HTML_AJAX/
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- PEAR Auth_RADIUS:
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- Current version: 1.1.0 (2015-02-10)
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- by Michael Bretterklieber
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- License: BSD
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- http://pear.php.net/package/Auth_RADIUS
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- PEAR Crypt_CHAP:
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- Current Version: 1.0.1 (2007-03-14)
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- by Michael Bretterklieber
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- License: BSD
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- http://pear.php.net/package/Crypt_CHAP
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----------------------------------------------------------------
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A NOTE TO DEVELOPERS
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================================================================
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We must not use these classes directly ever. Instead we must build
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and use wrapper classes to isolate Moodle code from internal PEAR
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implementations, allowing us to migrate if needed to other
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libraries in the future. For an example of wrapped classes,
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see the excel.class.lib file, that includes code to build
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Excel files using the cool library inside PEAR, but using
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the old calls used before Moodle 1.6 to maintain compatibility.
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Please, don't forget it! Always use wrapper classes/functions!
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Ciao,
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Eloy Lafuente, 2005-12-17 :-)
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----------------------------------------------------------------
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A NOTE ON THE PHP LICENSE AND MOODLE
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================================================================
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Everything in Moodle in pure GPL. This pear directory is the only
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part of the distribution that is not.
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There is some question about how PHP-licensed software can be
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included within a GPL-licensed distribution like Moodle, specifically
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the clause that annoyingly says no derivative of the software can
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include the name PHP.
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We don't intend to rename Moodle to anything of the sort, obviously,
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but to help people downstream who could possibly want to do so,
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we have sought special permission from the authors of these classes
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to allow us an exemption on this point so that we don't need to
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change our nice clean GPL license.
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Several authors have given Moodle explicit permission to distribute
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their PHP-licensed PEAR classes in the Moodle distribution, allowing
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anybody using these classes ONLY as part of the Moodle distribution
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exemption from clauses of the PHP license that could cause
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conflict with the main GNU Public License that Moodle uses.
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We are still waiting to hear back from the others but we assume
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for now that it will likewise be OK.
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If you are at all worried about this situation you can simply delete
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this directory from Moodle and it will use your installed PEAR
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libraries instead.
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Cheers,
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Martin Dougiamas, 2 April 2006
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