Скачать или смотреть How to Fix the Empty Database Row Issue When Sending jQuery Data to PHP

Learn how to effectively send data from a jQuery array to a PHP script and ensure that it properly gets inserted into your database without any empty rows.
---
This video is based on the question https://stackoverflow.com/q/66761101/ asked by the user 'Lakrari Youssef' ( https://stackoverflow.com/u/10493574/ ) and on the answer https://stackoverflow.com/a/66761738/ provided by the user 'Mohamed-Yousef' ( https://stackoverflow.com/u/3385827/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: Data of jQuery array won't show up on a database after transferring its data to a PHP array in another file

Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l...
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
Solving the Empty Database Row Issue When Sending jQuery Data to PHP

If you've been working with jQuery and PHP, you might have encountered a situation where you are sending values from a jQuery array to a PHP script, only to find that the data doesn't appear in your database as expected. Instead of the anticipated entries, you may discover empty rows in your database. In this article, we'll explore the cause of this problem and provide a comprehensive solution.

Understanding the Problem

Overview

You are trying to gather email addresses using jQuery and send them to a PHP script for database insertion. However, even after successfully executing the POST request, the database either records empty rows or doesn't store the data as expected. This typically occurs due to issues with how data is formatted and handled between the two languages.

Common Issues

Sending data in an incorrect format.

Not properly validating email addresses before sending them to the database.

Mismanagement of database connections or queries in PHP.

The Solution

To resolve the issue, we will break down the solution into clear and organized steps. This includes modifications in both your jQuery script and your PHP server-side code.

Step 1: Modify the jQuery Code

You'll want to ensure that data is sent in the correct format and includes validation. Here's an updated version of your jQuery function:

[[See Video to Reveal this Text or Code Snippet]]

Key Changes in the jQuery Code

Validation Function: Added validateEmail to ensure the email format is correct before sending to PHP.

Data Structure: Sending email as a property of an object {email: emailText} instead of just sending the email directly.

Step 2: Modify the PHP Code

Now adjust your PHP script to properly handle the incoming data and validate it before inserting it into the database:

[[See Video to Reveal this Text or Code Snippet]]

Key Changes in the PHP Code

Email Validation: Used filter_var() to ensure the email is valid before attempting to insert it into the database.

Feedback Mechanism: Added error handling to assist in debugging if the insertion fails.

Conclusion

By following these steps, you should be able to effectively send data from a jQuery array to a PHP script and successfully store it in your database without running into empty rows. Remember, validating data before sending and handling responses properly in your PHP code are crucial elements to ensure smooth interactions between your front-end and back-end.

With these changes implemented, you should now be able to manage user inputs more effectively and enhance the overall functionality of your web application.