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<?php $url = "https://www.bug.com/wp-content/uploads/2022/09/Famous-Internet-Man-512-" . urlencode("×") . "-512-px-1.png"; var_dump($url); var_dump(filter_var($url, FILTER_VALIDATE_URL)); $url = "https://www.bug.com/wp-content/uploads/2022/09/Famous-Internet-Man-512-×-512-px-1.png"; var_dump($url); var_dump(filter_var($url, FILTER_VALIDATE_URL));
Output for git.master, git.master_jit, rfc.property-hooks
string(90) "https://www.bug.com/wp-content/uploads/2022/09/Famous-Internet-Man-512-%C3%97-512-px-1.png" string(90) "https://www.bug.com/wp-content/uploads/2022/09/Famous-Internet-Man-512-%C3%97-512-px-1.png" string(86) "https://www.bug.com/wp-content/uploads/2022/09/Famous-Internet-Man-512-×-512-px-1.png" bool(false)

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