PHP License
| Latest version | 3.01 |
|---|---|
| Publisher | The PHP Group |
| SPDX identifier | PHP-3.01 |
| Debian FSG compatible | Yes |
| FSF approved | Yes[1] |
| OSI approved | Yes[2] |
| GPL compatible | No[1] |
| Copyleft | No[1] |
| Website | secure |
The PHP License is the software license under which the PHP scripting language is released. The PHP License is a non-copyleft free software license according to the Free Software Foundation[1] and an open source license according to the Open Source Initiative.[2] The license is GPL-incompatible due to restrictions on the usage of the term PHP.[1]
Terms
The PHP License is designed to encourage widespread adoption of the source code. Redistribution is permitted in source or binary form with or without modifications provided that:
- The PHP License copyright statement is included;
- The word "PHP" is not included in the title of any derivative works;
- The following acknowledgment is included in whatever form the code is redistributed under:
This product includes PHP software, freely available from <http://www.php.net/software/>
Version 3 of PHP used a dual license - PHP 3's source is available under either the PHP License or the GNU General Public License (GPL). This practice was discontinued as of PHP 4, with PHP's developers citing the restrictions on reuse associated with the GPL's copyleft enforcement as being the reason for dropping it.[4]
License
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The PHP License, version 3.01
Copyright (c) 1999 - 2012 The PHP Group. All rights reserved.
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Redistribution and use in source and binary forms, with or without
modification, is permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The name "PHP" must not be used to endorse or promote products
derived from this software without prior written permission. For
written permission, please contact group@php.net.
4. Products derived from this software may not be called "PHP", nor
may "PHP" appear in their name, without prior written permission
from group@php.net. You may indicate that your software works in
conjunction with PHP by saying "Foo for PHP" instead of calling
it "PHP Foo" or "phpfoo"
5. The PHP Group may publish revised and/or new versions of the
license from time to time. Each version will be given a
distinguishing version number.
Once covered code has been published under a particular version
of the license, you may always continue to use it under the terms
of that version. You may also choose to use such covered code
under the terms of any subsequent version of the license
published by the PHP Group. No one other than the PHP Group has
the right to modify the terms applicable to covered code created
under this License.
6. Redistributions of any form whatsoever must retain the following
acknowledgment:
"This product includes PHP software, freely available from
<http://www.php.net/software/>".
THIS SOFTWARE IS PROVIDED BY THE PHP DEVELOPMENT TEAM ``AS IS'' AND
ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PHP
DEVELOPMENT TEAM OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
OF THE POSSIBILITY OF SUCH DAMAGE.
See also
References
- ^ a b c d e "GPL-Incompatible, Free Software Licenses". Various Licenses and Comments about Them. Free Software Foundation.
- ^ a b "OSI-approved licenses by name". Alphabetized list of open source licenses approved by the Open Source Initiative (OSI).
- ^ http://copyfree.org/rejected/
- ^ "Why is PHP 4 not dual-licensed under the GNU General Public License (GPL) like PHP 3 was?". PHP: License Information FAQ. PHP.net.