回答編集履歴
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追記
answer
CHANGED
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@@ -2,4 +2,40 @@
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2
2
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3
3
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「subclass は null を代入できません。」と書かれています。
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4
4
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5
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`$_POST['subclass']` が null になっておるんでしょうね。
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5
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`$_POST['subclass']` が null になっておるんでしょうね。
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6
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7
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こう書くのではなく、
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9
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```php
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$sql = "INSERT INTO owldata (owl_type, owl_type2, owl_size, owl_size2, hasumi, hasumi2, japanese_name, english_name, zoological_name, body_length, distribution, description, Average_price, kingdom, phylum, subphylum, family, subfamily, class, subclass, orders, genus, kind) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)";
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```
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```php
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$sql = "INSERT INTO owldata (";
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$sql .= "owl_type";
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$sql .= ", owl_type2";
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$sql .= ", owl_size";
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$sql .= ", owl_size2";
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$sql .= ", hasumi";
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$sql .= ", hasumi2";
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$sql .= ", japanese_name";
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$sql .= ", english_name";
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$sql .= ", zoological_name";
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$sql .= ", body_length";
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$sql .= ", distribution";
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$sql .= ", description";
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$sql .= ", Average_price";
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$sql .= ", kingdom";
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$sql .= ", phylum";
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$sql .= ", subphylum";
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$sql .= ", family";
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$sql .= ", subfamily";
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$sql .= ", class";
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$sql .= ", subclass";
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$sql .= ", orders";
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$sql .= ", genus";
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$sql .= ", kind";
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$sql .= ") VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)";
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39
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```
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40
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41
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こんな風に書くと、間違いを発見しやすい。
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