PHP code example of 4slovo / expression

1. Go to this page and download the library: Download 4slovo/expression 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/ */

4slovo / expression example snippets

  
$expressionText = '$radius = 2; $area = 3.14 * ($radius ** 2);';
$codeContext = new CodeContext();
$codeExecutor = new CodeExecutor();
$variableName = '$result';
$areaResult = $codeExecutor
    ->setCode($expressionText)
    ->setCodeContext($codeContext)
    ->execute()
    ->getVariableByName('$area');

echo $areaResult; # выведет 12.56