Скачать или смотреть How to Echo Values from SQL Output in PHP for Today and Tomorrow's Prayers

Learn how to fetch and display today's and tomorrow's prayer times in PHP using MySQL queries while handling common pitfalls.
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This video is based on the question https://stackoverflow.com/q/69591063/ asked by the user 'Ali1984' ( https://stackoverflow.com/u/17163924/ ) and on the answer https://stackoverflow.com/a/69591357/ provided by the user 'Tangentially Perpendicular' ( https://stackoverflow.com/u/14853083/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Displaying Prayer Times for Today and Tomorrow using PHP and MySQL

If you are developing a web page that displays prayer times for today and tomorrow, you may encounter issues when trying to access values from your SQL output. In particular, you may be able to retrieve today's data successfully, but finding and displaying tomorrow's data can pose a challenge. This guide will address this common problem and provide a solution on how to get both today's and tomorrow's prayer timings using PHP and MySQL.

Understanding the SQL Query

First, let’s take a look at the SQL query you are using to fetch the prayer times for today and tomorrow:

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This query is designed to return two rows, one for today and one for tomorrow. However, the order of the results is not guaranteed, which can complicate data retrieval. To ensure that you always get today’s data first, we can modify the query by adding an ORDER BY clause:

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The PHP Script for Fetching Data

Now that we have our SQL query refined, let's focus on how to effectively use PHP to display the retrieved values. Originally, you may have used a while loop to process the results as shown below:

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However, since we are only interested in two rows (today's and tomorrow's), we can simply fetch them consecutively without looping. Here’s a revised version of your PHP script to appropriately display both sets of data on your webpage:

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Final Notes

Key Takeaways

Use ORDER BY: Always order your results to ensure consistency in retrieving data.

Fetch Data in Sequence: For a limited number of rows, fetch them one-by-one instead of using a loop.

Database Connection Management: Remember to close your database connection when you're done.

By following these steps, you should be able to successfully display both today’s and tomorrow’s prayer times without any issues. This will help enhance the functionality of your web page, providing users with accurate prayer timings right when they need them.

If you have any questions or run into any issues implementing this solution, feel free to comment below!