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Package logic-matrix
Short Description PHP Logical Matrix package
License BSD-3-Clause
Homepage http://zf4.biz/packages?utm_source=packagist&utm_medium=web&utm_campaign=blinks&utm_content=logicmatrix
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Informations about the package logic-matrix
chippyash/logical-matrix
Quality Assurance
See the Test Contract
Please note that developer support for PHP5.4 & 5.5 was withdrawn at version 3.0.0 of this library.
If you need support for PHP 5.4 or 5.5, please use a version >=2,<3
What?
This library aims to provide logic matrix functionality and builds on the chippyash/Matrix matrix data structure library:
- Everything has a test case
- It's PHP 5.4+
When
The current library covers basic logical matrix manipulation.
If you want more, either suggest it, or better still, fork it and provide a pull request.
Check out chippyash/Matrix for Matrix data type support.
Check out chippyash/Math-Matrix for mathematical matrix operations
Check out ZF4 Packages for more packages
Operations supported
- AndMatrix - return the result of two matrices ANDed
- AndOperand - return matrix ANDed with a boolean operand
- Not - return !matrix
- OrMatrix - return the result of two matrices ORed
- OrOperand - return matrix ORed with a boolean operand
- XorMatrix - return the result of two matrices XORed
- XorOperand - return matrix XORed with a boolean operand
The library is released under the GNU GPL V3 or later license
How
Please see the chippyash/Matrix for underlying functionality. Anything you can do with a Matrix, you can do with a LogicalMatrix.
Coding Basics
A LogicalMatrix is a matrix for which all entries are a boolean value; true or false
A shortcut for a single item matrix is to supply a single array
use chippyash\Logic\Matrix\LogicalMatrix;
$mA = new LogicalMatrix([]); //empty matrix
$mA = new LogicalMatrix([[]]); //empty matrix
$mA = new LogicalMatrix([true]); //single item matrix
$mA = new LogicalMatrix([2, false]); //1x2 matrix
$mA = new LogicalMatrix([2, false],[true, 'foo']); //2x2 matrix
N.B. A matrix construction values are converted to their boolean equivalent, so '' = false, 'foo' = true, 1 = true, 0 = false etc, according to normal PHP casting rules for boolean.
As with any TDD application, the tests tell you everything you need to know about the SUT. Read them! However for the short of temper amongst us, the salient points are:
A Logical Matrix type is supplied
- LogicalMatrix(array $source, bool $normalizeDefault = false)
Logical Matrices have additional attributes over and above a Matrix
- Attributes always return a boolean.
- You can use the is() method of a Matrix to test for an attribute
- Attributes implement the chippyash\Matrix\Interfaces\AttributeInterface
//assuming $mA is a LogicalMatrix - this will return true
if ($mA->is('Logical')) {}
//is the same as, which can also be used on ordinary matrices
$attr = new Logic\Matrix\Attribute\IsLogical();
if ($attr($mA) {}
Logical Matrices have operations
- Operations always returns a Logical Matrix
- The original matrix is untouched
- You can use the magic __invoke functionality
- Operations implement the chippyash\Logical\Matrix\Interfaces\OperationInterface
$mC = $mA("AndMatrix", $mB);
//same as :
$op = new Logic\Matrix\Operation\AndMatrix;
$mC = $op($mA, $mB);
The following operations are supplied:
- AndMatrix - AND two matrices
- AndOperand - AND matrix with boolean
- Not - NOT a matrix
- OrMatrix - OR two matrices
- OrOperand - OR matrix with boolean
- XorMatrix - XOR two matrices
- XorOperand - XOR matrix with boolean
The magic invoke methods allow you to write in a functional way
$fAnd = new AndMatrix();
$fOr = new OrOperand();
//($mA && $mB) || true
return $fOr($fAnd($mA, $mB), true);
Changing the library
- fork it
- write the test
- amend it
- do a pull request
Found a bug you can't figure out?
- fork it
- write the test
- do a pull request
NB. Make sure you rebase to HEAD before your pull request
Where?
The library is hosted at Github. It is available at Packagist.org
Installation
Install Composer
For production
add
"chippyash/logical-matrix": "~2.0"
to your composer.json "requires" section
For development
Clone this repo, and then run Composer in local repo root to pull in dependencies
git clone [email protected]:chippyash/Logical-matrix.git LogicMatrix
cd LogicMatrix
composer update
To run the tests:
cd LogicMatrix
vendor/bin/phpunit -c test/phpunit.xml test/
License
This software library is released under the BSD 3 Clause license
This software library is Copyright (c) 2014-2018, Ashley Kitson, UK
History
V0... pre releases
V1.0.0 Original release
V1.0.5 Update for underlying library dependency
V1.0.6 Update phpunit version
V2.0.0 BC Break: change namespace from chippyash to Chippyash
V2.0.1 Add link to packages
V2.0.2 Verify PHP7 compatibility
V2.0.3 Update build script
V3.0.0 BC Break. Withdraw support for old PHP versions
V3.1.0 Change of license from GPL V3 to BSD 3 Clause
