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<?php //Source: https://bugs.php.net/bug.php?id=63898 $key = "Foo " . chr(163); $array = array($key => ""); print_r($array); $json = json_encode($array); echo $json."\n"; var_dump(json_decode($json), json_last_error(), json_last_error_msg());
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [Foo �] => ) NULL int(4) string(12) "Syntax error"

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