PHP code example of carriongrow / formula_parser

1. Go to this page and download the library: Download carriongrow/formula_parser library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

carriongrow / formula_parser example snippets

 
 $parser = new FormulaParser();
 $parser->setFormula('test1 * test2 * 2 (1 + 10) / 20'); // Parsing formulas once
 $counter = 1000;
 $result = [];
 while ($counter != 0) { // We use it as many times as we need
   $first = rand(1, getrandmax()) / getrandmax();
   $second = rand(1, getrandmax()) / getrandmax();
   $parser->setVariables(['test1' => $first, 'test2' => $second]); // Replacing user variables with values
   $result[] = $parser->calculate();
   $counter--;
 }