Expression Evaluator

A expression evaluator package with support to logical and comparison operators, also custom function and variables.

Example Usage

$math = new MathParser\Engine;

echo $math->evalute('5 + 3 * 2');

// outputs 11

Example evaluations

5 + 3 * 2

11

(1 > 2 AND 3 < 2) OR 1+2 == 3

0

(3 > 2) AND (3 < 5)

1

(1 > 2) OR (3 < 5)

1

(1 > 2) OR (6 > 5)

1

(1 > 2) OR (6 < 5)

0

1 + 2 == 3

1

2 < 1 + 2

2

(2 < 1) + 2

2

((2 < 1) + 2) == 2

1

-8/-2

4

-8/2

-4

-8/-2 + 15 * 1

19

Inspired by & developed upon https://gist.github.com/ircmaxell/1232629