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3rd July 16:32
External User
Posts: 1
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Back option using php
Hello,
Is there any way to restrict the user not to go back once he submitted the html form ?? Regards, Uma |
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3rd July 16:32
External User
Posts: 1
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Back option using php
Javascript, but that can't be relied on.
Are you're trying to avoid the "This page has expired, resubmit?" warning in IE? Use header ("Location:") to redirect the user after processing the form: <? if (isset ($artist) && isset ($album)) { $fp = fopen ('list.txt', 'a'); fputs ($fp, "<tr><td>$artist</td><td>$album</td></tr>\r\n"); header ("Location: $PHP_SELF"); exit(); } ?> <html> <body> <table border="1" cellspacing="2"> <tr><td>Artist</td><td>Album</td></tr> <? readfile ('list.txt'); ?> </table> <br><br> <form method="post" action="<? echo ($PHP_SELF); ?>"> <p>Artist: <input type="text" name="artist"></p> <p>Album: <input type="text" name="album"></p> <p><input type="submit" name="Add" value="Add"></p> </form> </body> </html> (It would also be best-practice to send a unique token as a hidden field in each form, so you can reject it if the form gets posted more than once). |
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3rd July 16:33
External User
Posts: 1
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Back option using php
There may be, but it would almost certainly be handled client-side. Try looking into Javascript stuff that clears the browser cache or otherwise prohibits back navigation.
Edward Dudlik "Those who say it cannot be done should not interrupt the person doing it." wishy washy | www.amazon.com/o/registry/EGDXEBBWTYUU ----- Original Message ----- From: "Uma Shankari T." <umashankari@lantana.tenet.res.in> To: "PHP" <php-general@lists.php.net> Sent: Friday, 17 October, 2003 05:20 Subject: [php] Back option using php Hello, Is there any way to restrict the user not to go back once he submitted the html form ?? Regards, Uma -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php |
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