- Fixed PHP message "TypeError: abs(): Argument #1 ($num) must be of type int|float, string given" in some cases
- Updated: unit tests (PHPUnit 11.4.3)
- Fixed PHP message "strstr(): Empty needle" in some cases
- Optimized the algorithm
- Fixed parsing variables, e.g. 3 * 6x => Syntax error
- Updated: unit tests
- Fixed PHP message "strstr(): Non-string needles will be interpreted as strings in the future." in some cases
- Refactored: code to PHP 7.3.5
- Updated: composer.json
- Updated: readme
- Improved the algorithm: it gets better with this release!
- Added: ability to override default valid variables, which will allow to set variables not only with the names x, y, z, a, b.
- Added: History.md
- Updated: readme
- Improved: now several consecutive operators are available, e.g. 10/--++2
- Improved: a decimal number can be given as 1. or .1 which is equal to 1.0 or 0.1
- Added: constant Inf
- Added: processing of NaN
- Added: unit tests
- Fixed: PHP message "Notice: Undefined offset" in some cases
- Refactored: class properties and names of several methods
- Refactored: short syntax to arrays
- Updated: composer.json
- Updated: PHPDoc
- Updated: readme
- Added: variables x, y, z, a, b
- Added: constant e
- Added: functions log, exp
- Added: namespace
- Added: composer.json
- Updated: PHPDoc
- Updated: readme
- Added: functions sqrt, abs, sin, cos, tan
- Refactored: class properties
- Fixed: PHPDoc
- Updated: readme
- Improved the algorithm: it gets better with this release!
- Improved: now spaces are allowed, like so: 8 + ( 10 * ( 3 + 5 ) ) / 2
- Added: numbers in E notation
- Added: constant pi
- Added: new validation rules