回答編集履歴
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コードの追記
test
CHANGED
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@@ -3,3 +3,97 @@
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私の契約しているさくらサーバーもダメだったので。
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[ここ](https://www.xserver.ne.jp/manual/man_db_setting.php)を参考にしてみてください。
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###追記
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```PHP
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<?php
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//データベース接続
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$server = "◯◯◯◯◯";
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$userName = "◯◯◯◯◯";
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$password = "◯◯◯◯◯";
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$dbName = "test";
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$mysqli = new mysqli($server, $userName, $password,$dbName);
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if ($mysqli->connect_error){
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echo $mysqli->connect_error;
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exit();
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}else{
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$mysqli->set_charset("utf-8");
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}
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$sql = "select * from test_tab";
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$result = $mysqli -> query($sql);
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//クエリー失敗
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if(!$result) {
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echo $mysqli->error;
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exit();
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}
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//レコード件数
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$row_count = $result->num_rows;
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//連想配列で取得
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while($row = $result->fetch_array(MYSQLI_ASSOC)){
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echo $row["col1"];
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}
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//結果セットを解放
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$result->free();
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// データベース切断
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$mysqli->close();
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?>
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```
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