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<?php function ccMasking($number, $maskingCharacter = 'X') { return substr($number, 0, 4) . str_repeat($maskingCharacter, strlen($number) - 8) . substr($number, -4); } var_dump(ccMasking('Johannes Eriksson'));
Output for git.master, git.master_jit, rfc.property-hooks
string(17) "JohaXXXXXXXXXsson"

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