How to Protect from double posting insert MySQL

Posted by Jawaad on 5 November, 2008
1 comment so far
This item was filled under [ Code Snippet, MySQL, PHP ]

Cara untuk supaya proteksi dari double posting suatu form ke dalam database menggunakan tehnik SESSION.
1. Set a session in the form page

session_start();
$_SESSION[post_only_once] = 1;
echo '
 < form method="post">
  Name < input type="text" name="name">
  < input type="submit" value="submit" name="submit">
 < /form>
';

2. Check the session before doing INSERT into MySQL.

if($_SESSION[post_only_once] == 1) {
  // here doing insert to mysql
}
unset($_SESSION[post_only_once]); // remove the session after insert

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One Comment on “How to Protect from double posting insert MySQL”

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    28 January, 2010, 19:18

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