回答編集履歴
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追記
test
CHANGED
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@@ -15,3 +15,53 @@
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</select>
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```
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---
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```html
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<?php
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function h($str)
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{
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return htmlspecialchars($str, ENT_QUOTES);
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}
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$recordSet = mysql_query("SELECT * FROM city ORDER BY city_id");
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?>
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<select name="schoolcity">
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<option value="">市</option>
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<option value="">---------</option>
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<?php while ($LowCity = mysql_fetch_assoc($recordSet)) : ?>
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<?php if (条件式) : ?>
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<option value="<?= h($LowCity['city_id']) ?>" class="<?= h($LowCity['city_id']) ?>" selected="selected"><?= h($LowCity['city_name']) ?></option>
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<?php else : ?>
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<option value="<?= h($LowCity['city_id']) ?>" class="<?= h($LowCity['city_id']) ?>"><?= h($LowCity['city_name']) ?></option>
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<?php endif; ?>
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<?php endwhile; ?>
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</select>
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```
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