Скачать или смотреть Fixing the mysqli_expects parameter 1 to be mysqli_result string given Error in PHP

Learn how to solve the common `mysqli_expects parameter 1 to be mysqli_result` error in PHP step-by-step. This guide provides clear explanations and code examples to help you debug your mysqli queries effectively.
---
This video is based on the question https://stackoverflow.com/q/62848448/ asked by the user 'Precious Solomon Kayili' ( https://stackoverflow.com/u/13853007/ ) and on the answer https://stackoverflow.com/a/62848592/ provided by the user 'KUMAR' ( https://stackoverflow.com/u/12030528/ ) 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: How do i fix mysqli_expects parameter 1 to be mysqli_result string given

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.
---
How to Fix the mysqli_expects parameter 1 to be mysqli_result string given Error in PHP

Are you encountering the frustrating error message mysqli_expects parameter 1 to be mysqli_result string given when executing queries using PHP's MySQLi extension? You're not alone. Many beginners face this issue, especially when dealing with database queries. In this guide, we will break down the problem and provide you with a detailed solution to resolve this error effectively.

Understanding the Problem

The error typically occurs when the mysqli_fetch_array() function is given an invalid parameter, usually due to a bug in your SQL query execution. In your case, the error happens when you're trying to fetch data from a query result but accidentally passing a query string instead of the result set returned by mysqli_query(). Let's take a closer look at how this can happen.

Example Scenario

Consider the following PHP code snippet, where a query is executed and an attempt is made to fetch the results:

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

In this snippet, mysqli_fetch_array($query) is the culprit. Here, mysqli_fetch_array() expects a valid result set (stored in $result), not the query string.

The Solution

To solve the problem, all you need to do is pass the $result variable into the mysqli_fetch_array() function instead of the original query string. Here's how you can fix the code:

Step by Step Correction

Replace the Wrong Argument: Change the while loop to use the $result variable.

Correct Code: Here’s the corrected part of the code:

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

Final Code Example

Here's everything put together:

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

Conclusion

Fixing the mysqli_expects parameter 1 to be mysqli_result string given error in PHP is a matter of ensuring you're passing the correct result set to your functions. By following the solution outlined above, you can easily debug your query logic and keep your PHP applications running smoothly. Happy coding!