回答編集履歴
1
sessionを使うよう修正
test
CHANGED
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@@ -16,7 +16,43 @@
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```PHP
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<?php
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session_start();
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// $success_msgを初期化しておく。
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$success_msg = "";
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if (isset($_SESSION['success_msg'])) {
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$success_msg = $_SESSION['success_msg'];
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// 一度表示したら捨てる
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unset($_SESSION['success_msg']);
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}
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if (isset($_POST)) {
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// 今までのPOSTの処理
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$_SESSION['success_msg'] = 'POST成功';
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}
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?>
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<!-- HTML部 -->
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19
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-
<?php if (
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<?php if ($success_msg): ?>
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<?= $success_msg ?>
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