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Symfony 表达式语言每个表达式只返回单个值。它不支持分配。这个库允许将表达式评估的结果分配给变量。它还支持多重分配。

安装

composer require tienvx/assignments-evaluator

文档

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)`..
*/

许可

MIT

tienvx / assignments-evaluator

维护者

详细信息

README

安装

文档

许可