PHP code example of lang / equation

1. Go to this page and download the library: Download lang/equation 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/ */

lang / equation example snippets




use Lang\Equation\Equation;

$expr = Equation::parse('1+1');
echo $expr->getValue();
// Output: 2

// With params
// !notice parameter name format: ':param_name:'
$expr2 = Equation::parse('2 + :var:');
echo $expr2->getValue(['var' => 2]);
// Output: 4