Crypt/Math/BigInteger.php

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Zend Framework
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Category
Zend  
Copyright
Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)  
License
New BSD License  
Package
Zend_Crypt  
Subpackage
Math  
Version
$Id$  

\Zend_Crypt_Math_BigInteger

Package: Zend_Crypt
Support for arbitrary precision mathematics in PHP.
Zend_Crypt_Math_BigInteger is a wrapper across three PHP extensions: bcmath, gmp and big_int. Since each offer similar functionality, but availability of each differs across installations of PHP, this wrapper attempts to select the fastest option available and encapsulate a subset of its functionality which all extensions share in common. This class requires one of the three extensions to be available. BCMATH while the slowest, is available by default under Windows, and under Unix if PHP is compiled with the flag "--enable-bcmath". GMP requires the gmp library from http://www.swox.com/gmp/ and PHP compiled with the "--with-gmp" flag. BIG_INT support is available from a big_int PHP library available from only from PECL (a Windows port is not available).
Children
\Zend_Crypt_Math
Category
Zend  
Copyright
Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)  
License
New BSD License  

Properties

>VPropertyprotected\Zend_Crypt_Math_BigInteger_Interface $_math = null
Holds an instance of one of the three arbitrary precision wrappers.
Default valuenullDetails
Type
\Zend_Crypt_Math_BigInteger_Interface

Methods

methodpublic__call(string $methodName, array $args) : void

Redirect all public method calls to the wrapped extension object.

Parameters
NameTypeDescription
$methodNamestring
$argsarray
Throws
ExceptionDescription
\Zend_Crypt_Math_BigInteger_Exception
methodpublic__construct(string $extension = null) : void

Constructor; a Factory which detects a suitable PHP extension for arbitrary precision math and instantiates the suitable wrapper object.

Parameters
NameTypeDescription
$extensionstring
Throws
ExceptionDescription
\Zend_Crypt_Math_BigInteger_Exception
methodprotected_loadAdapter(string $extension = null) : void

Parameters
NameTypeDescription
$extensionstring
Throws
ExceptionDescription
\Zend_Crypt_Math_BigInteger_Exception
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