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<?php $ean = '1888440212609'; $code = substr($ean, 0, -1); $sequence_ean8 = array(3, 1); $sequence_ean13 = array(1, 3); $sums = 0; foreach(str_split($code) as $n => $digit) { if (strlen($code)==7){ $sums += $digit * $sequence_ean8[$n % 2]; } elseif (strlen($code)==12){ $sums += $digit * $sequence_ean13[$n % 2]; } else { echo "code length invalid"; } } $checksum = 10 - $sums % 10; if($checksum == 10){ $checksum = 0; } var_dump($code . $checksum === $ean);
Output for git.master, git.master_jit, rfc.property-hooks
bool(false)

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