<?php $facts = []; $facts['A'] = true; $facts['B'] = false; $test = '(A || B);'; $ruleExecutor = function ($_rule) use ($facts) { $_condition = preg_replace('/(\w+)/', '$$1', $_rule); //(A || B) => ($A || $B) extract($facts); unset($facts); var_dump($_condition); return eval($_condition); }; var_dump($ruleExecutor($test)); var_dump($facts); ?>
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