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<?php $asin = "B00ICQMBZG"; if (strlen($asin) == 13) { $odd = 0; $even = 0; $asinChar = str_split("978" . $asin); for ($i = 0; $i < 12; $i++) { if (($i % 2) !== 1) { $odd = $odd + $asinChar[$i]; } else { $even = $even + $asinChar[$i]; } } $sum = $odd + ($even * 3); $i = -1; do { $i++; $checksum = ceil($sum + $i) - $sum; } while (ceil($sum + $i) % 10 != 0); } else { $asinChar = str_split($asin); $num = 0; /** Zehnstellige ISBN Nummern bzw. Asins */ for ($i = 0; $i < 9; $i++) { $num = $num + ($asinChar[$i] * ($i + 1)); } $checksum = fmod($num, 11); } echo "978" . substr($asin, 0, 9) . $checksum;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: Unsupported operand types: string * int in /in/7OYaB:30 Stack trace: #0 {main} thrown in /in/7OYaB on line 30
Process exited with code 255.
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: A non-numeric value encountered in /in/7OYaB on line 30 Warning: A non-numeric value encountered in /in/7OYaB on line 30 Warning: A non-numeric value encountered in /in/7OYaB on line 30 Warning: A non-numeric value encountered in /in/7OYaB on line 30 Warning: A non-numeric value encountered in /in/7OYaB on line 30 Warning: A non-numeric value encountered in /in/7OYaB on line 30 Warning: A non-numeric value encountered in /in/7OYaB on line 30 978B00ICQMBZ0
Output for 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, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20
978B00ICQMBZ0
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: str_split() in /in/7OYaB on line 26
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: str_split() in /in/7OYaB on line 26
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: str_split() in /in/7OYaB on line 26
preferences:
239.48 ms | 401 KiB | 328 Q