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<?php $var = ["a" => false, "b" => NULL]; var_dump($var); foreach($var AS $key=>$val){ echo isset($var[$key]) ? "T":"F"; echo NULL === $val ? "T" : "F"; }
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { ["a"]=> bool(false) ["b"]=> NULL } TFFT

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