Validate Form Data With PHP
The first thing we will do is to pass all variables through PHP's htmlspecialchars() function.
When we use the htmlspecialchars() function; then if a user tries to subm
A simple calculator program that I wrote in PHP using Drop Down Menu to select the mathematical operator such as addition, subtraction, multiplication and division using combo box in HTML.
To show the values in the input fields after the user hits the submit button, we add a little PHP script inside the value attribute of the following input fields: name, email, and website.
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