30/12
2016
dev-master
9999999-devA math expression parser
The Requires
- php >=5.5.9
The Development Requires
by nick fan
Wallogit.com
2017 © Pedro Peláez
library math-expression
A math expression parser
nickfan/math-expression
A math expression parser
- Friday, December 30, 2016
- by nickfan
- Repository
- 1 Watchers
- 0 Stars
- 0 Installations
- PHP
- 0 Dependents
- 0 Suggesters
- 0 Forks
- 0 Open issues
- 1 Versions
- 0 % Grown
The README.md
MathExpression
rewrite form https://gist.github.com/dremie/fcb1f5beecc327679de8cca51c8e4743 ( which fork form original https://gist.github.com/ircmaxell/1232629 ), (*1)
Usage
Examples, (*2)
use Nickfan\MathExpression\Math;
$math = new Math();
$answer = $math->evaluate('(2 + 3) * 4');
var_dump($answer);
// int(20)
$answer = $math->evaluate('1 + 2 * ((3 + 4) * 5 + 6)');
var_dump($answer);
// int(83)
$answer = $math->evaluate('(1 + 2) * (3 + 4) * (5 + 6)');
var_dump($answer);
// int(231)
$math->registerVariable('a', 4);
$answer = $math->evaluate('($a + 3) * 4');
var_dump($answer);
// int(28)
$math->registerVariable('a', 5);
$answer = $math->evaluate('($a + $a) * 4');
var_dump($answer);
// int(40)