Xes
73154ae174
Fuente: https://github.com/chamilo/chamilo-lms/releases/download/v1.11.40/chamilo-1.11.40.zip sha256: 1cf4bf2cc7bae1ef1a1eff643235db1d552f78ddf4b6dd1e2d2dac9868679439 Snapshot independiente (rama huerfana); diffable vs 1.11.38. vendor incluido.
65 lines
1.7 KiB
PHP
65 lines
1.7 KiB
PHP
<?php
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/**
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* A class for arbitrary precision math functions
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*
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* PHP version 5.3
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*
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* @category PHPPasswordLib
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* @package Core
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* @author Anthony Ferrara <ircmaxell@ircmaxell.com>
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* @copyright 2011 The Authors
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* @license http://www.opensource.org/licenses/mit-license.html MIT License
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* @version Build @@version@@
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*/
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namespace SecurityLib;
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/**
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* A class for arbitrary precision math functions
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*
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* @category PHPPasswordLib
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* @package Core
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* @author Anthony Ferrara <ircmaxell@ircmaxell.com>
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*/
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abstract class BigMath {
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/**
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* Get an instance of the big math class
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*
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* This is NOT a singleton. It simply loads the proper strategy
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* given the current server configuration
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*
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* @return \PasswordLib\Core\BigMath A big math instance
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*/
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public static function createFromServerConfiguration() {
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//@codeCoverageIgnoreStart
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if (extension_loaded('gmp')) {
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return new \SecurityLib\BigMath\GMP();
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} elseif (extension_loaded('bcmath')) {
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return new \SecurityLib\BigMath\BCMath();
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} else {
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return new \SecurityLib\BigMath\PHPMath();
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}
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//@codeCoverageIgnoreEnd
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}
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/**
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* Add two numbers together
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*
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* @param string $left The left argument
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* @param string $right The right argument
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*
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* @return A base-10 string of the sum of the two arguments
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*/
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abstract public function add($left, $right);
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/**
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* Subtract two numbers
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*
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* @param string $left The left argument
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* @param string $right The right argument
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*
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* @return A base-10 string of the difference of the two arguments
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*/
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abstract public function subtract($left, $right);
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} |