PHP code example of tienvx / assignments-evaluator

1. Go to this page and download the library: Download tienvx/assignments-evaluator 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/ */

tienvx / assignments-evaluator example snippets


use Symfony\Component\ExpressionLanguage\ExpressionLanguage;
use Tienvx\AssignmentsEvaluator\AssignmentsEvaluator;

class Robot
{
    public function sayHi(string $name): string
    {
        return sprintf('Hi %s!', $name);
    }
}

$assignmentsEvaluator = new AssignmentsEvaluator(new ExpressionLanguage());

var_dump($assignmentsEvaluator->evaluate(
    'fullName = firstName~" "~lastName; hello = robot.sayHi(fullName)',
    [
        'firstName' => 'Madonna',
        'lastName' => 'Jenkins',
        'robot' => new Robot(),
    ]
));
/* displays
array(5) {
  ["firstName"]=>
  string(7) "Madonna"
  ["lastName"]=>
  string(7) "Jenkins"
  ["robot"]=>
  object(Robot)#8 (0) {
  }
  ["fullName"]=>
  string(15) "Madonna Jenkins"
  ["hello"]=>
  string(19) "Hi Madonna Jenkins!"
}
*/

$assignmentsEvaluator->lint('title = "Dr."; firstName = "zane"; lastName = "stroman"; name = title~ucfirst(firstName)~" "~ucfirst(lastName)');
/* throw
PHP Fatal error:  Uncaught Tienvx\AssignmentsEvaluator\SyntaxError: Expression "title~ucfirst(firstName)~" "~ucfirst(lastName)" is invalid: The function "ucfirst" does not exist around position 7 for expression `title~ucfirst(firstName)~" "~ucfirst(lastName)`..
*/