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<?php function ean_checksum($eancode) { if(strlen($eancode) != 12) { return '-1'; } $oddsum=0; $evensum=0; $total=0; $eanvalue=$eancode; $finalean = strrev(substr($eanvalue,0,12)); for($i=0;$i<strlen($finalean);$i++) { if(($i % 2) == 0) { $oddsum += intval($finalean[$i]); } else { $evensum += intval($finalean[$i]); } } $total=($oddsum * 3) + $evensum; $check = intval(10 - ceil($total % 10.0)) %10; return $check; } $ean = '037007923000'; echo ean_checksum($ean);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
5
preferences:
269.75 ms | 406 KiB | 422 Q