Prevent Duplicate Entry During Refresh After Form Submit | Web Programming Tutorial

Prevent Duplicate Entry During Refresh After Form Submit

Published Date: November 7, 2013 |
Published Time: 11:31 pm |

This is an serious bug.When the Form and the action of the form is same page and insert submitted data into database, and again refresh the page,the data will be inserted again or the action will be occured.Those who are new in php,faces this problem often.

we will use session for store confirmation message to display and header() function to redirect the page to unset the submit action. This is just for who face the problem.

Problem :

Write this code in such a way

By this we can prevent duplicate entry of data during page refresh.

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