How to Save Form Data in a JSON File Using PHP | Store Messages in JSON File with PHP

In this tutorial we are going to use PHP to collect the data from
a contact form and save the messages in a JSON file.
Also we will have an inbox page to display, delete, or reply to a message.

I am going to start the tutorial with a live example and then we are going to recreate the whole thing.
This is a full stack tutorial so we will use HTML, CSS, PHP, and JavaScript to code the application.

In this tutorial you will learn how to:
- Fetch form data with PHP using the POST HTTP Request method.
- Create an array from the form data.
- Loop through an array and sanitize the data using the 'array_map' and 'htmlspecialchars' functions.
- Use the 'file_put_contents' function to write the data to the JSON file.
- Reply to an email using your operating system's email client.
- Use the 'file_get_contents' functions to read data from a file.
- Use the 'json_decode' and 'json_encode' functions to handle JSON data.
- Display PHP error messages in the contact form.
- Format the 'date' function for proper saving the date and time.
- Assign 'onclick' event listeners on html buttons.
- Make the form sticky, means that the form will not clear the entered values in case of an error.

You can buy me a coffee and get the whole source code in a zip file.

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#php #javascript #html #webdevelopment #htmlforms

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Hi George, thanks for this amazing and helpful video!