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by Max Zone.
Original Post: Form validation with Ajax - PHP - MySQL
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Here is a simple, quick way to validate required form fields using AJAX, PHP and MySQL. What we���re going to do is display an error message to the right of the required field, and if there are errors, restrict the submit button. And if a user were to skip a required field, or leave it blank, we���ll highlight it along with removing the submit button.
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