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<?php function is_ean13($ean13) { if (strlen($ean13) != 13) return 1; // le code-barres doit contenir 13 caractères if (!is_numeric($ean13)) return 2; // le code-barres ne doit contenir que des chiffres // on prend chaque chiffre un par un // si son index (position dans la chaîne en commence à 0 au premier caractère) est impair // on triple sa valeur // on ajoute cette valeur à la somme totale for ($index = 0; $index < 12; $index ++) { $number = (int) $ean13[$index]; if (($index % 2) != 0) $number *= 3; $sum += $number; } $key = $ean13[12]; // clé de contrôle égale au dernier chiffre // la clé de contrôle doit être égale à : 10 - (reste de la division de la somme des 12 premiers chiffres) if (10 - ($sum % 10) != $key) return 3; else return 0; } echo is_ean13(7330510000000);
Output for 8.3.0 - 8.3.6
Warning: Trying to access array offset on int in /in/hf4PM on line 15 Warning: Undefined variable $sum in /in/hf4PM on line 17 Warning: Trying to access array offset on int in /in/hf4PM on line 15 Warning: Trying to access array offset on int in /in/hf4PM on line 15 Warning: Trying to access array offset on int in /in/hf4PM on line 15 Warning: Trying to access array offset on int in /in/hf4PM on line 15 Warning: Trying to access array offset on int in /in/hf4PM on line 15 Warning: Trying to access array offset on int in /in/hf4PM on line 15 Warning: Trying to access array offset on int in /in/hf4PM on line 15 Warning: Trying to access array offset on int in /in/hf4PM on line 15 Warning: Trying to access array offset on int in /in/hf4PM on line 15 Warning: Trying to access array offset on int in /in/hf4PM on line 15 Warning: Trying to access array offset on int in /in/hf4PM on line 15 Warning: Trying to access array offset on int in /in/hf4PM on line 20 3
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Warning: Trying to access array offset on value of type int in /in/hf4PM on line 15 Warning: Undefined variable $sum in /in/hf4PM on line 17 Warning: Trying to access array offset on value of type int in /in/hf4PM on line 15 Warning: Trying to access array offset on value of type int in /in/hf4PM on line 15 Warning: Trying to access array offset on value of type int in /in/hf4PM on line 15 Warning: Trying to access array offset on value of type int in /in/hf4PM on line 15 Warning: Trying to access array offset on value of type int in /in/hf4PM on line 15 Warning: Trying to access array offset on value of type int in /in/hf4PM on line 15 Warning: Trying to access array offset on value of type int in /in/hf4PM on line 15 Warning: Trying to access array offset on value of type int in /in/hf4PM on line 15 Warning: Trying to access array offset on value of type int in /in/hf4PM on line 15 Warning: Trying to access array offset on value of type int in /in/hf4PM on line 15 Warning: Trying to access array offset on value of type int in /in/hf4PM on line 15 Warning: Trying to access array offset on value of type int in /in/hf4PM on line 20 3
Output for 7.4.0 - 7.4.33
Notice: Trying to access array offset on value of type int in /in/hf4PM on line 15 Notice: Undefined variable: sum in /in/hf4PM on line 17 Notice: Trying to access array offset on value of type int in /in/hf4PM on line 15 Notice: Trying to access array offset on value of type int in /in/hf4PM on line 15 Notice: Trying to access array offset on value of type int in /in/hf4PM on line 15 Notice: Trying to access array offset on value of type int in /in/hf4PM on line 15 Notice: Trying to access array offset on value of type int in /in/hf4PM on line 15 Notice: Trying to access array offset on value of type int in /in/hf4PM on line 15 Notice: Trying to access array offset on value of type int in /in/hf4PM on line 15 Notice: Trying to access array offset on value of type int in /in/hf4PM on line 15 Notice: Trying to access array offset on value of type int in /in/hf4PM on line 15 Notice: Trying to access array offset on value of type int in /in/hf4PM on line 15 Notice: Trying to access array offset on value of type int in /in/hf4PM on line 15 Notice: Trying to access array offset on value of type int in /in/hf4PM on line 20 3
Output for 7.3.32 - 7.3.33
3
Output for 5.0.4 - 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 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31
Notice: Undefined variable: sum in /in/hf4PM on line 17 3
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: sum in /in/hf4PM on line 17 3
preferences:
247.53 ms | 402 KiB | 459 Q