Category: PHP (Page 14 of 15)

Learn PHP programming through practical examples and tutorials. This category covers core PHP concepts, form handling, file opera

Fixing the “Headers Already Sent” Error in PHP

Last updated on June 24th, 2025 at 10:24 amEncountering the dreaded “Cannot modify header information – headers already sent by” warning in PHP? You’re not alone — this is one of the most common PHP headaches. Let’s unpack why it happens and walk through foolproof steps to fix it. What’s Actually Going On? PHP sends […]

How to change font size using PHP

Last updated on November 8th, 2024 at 12:48 pmDynamically adjust the text or font size on your website using PHP. The logic for switching text sizes is outlined below. You may have noticed various websites offering the ability to modify text size in real-time and wondered how this functionality is implemented. The following code illustrates […]

How to Run SQL Queries and Create Backups in phpMyAdmin

Last updated on November 8th, 2024 at 12:14 pmObjective: In this tutorial, you will learn how to run a MySQL query using phpMyAdmin and also steps to take backup of the database using the export option. Step 1: Login to PHPMyAdmin and Create a database. Check this tutorial on How to enable PHPMyAdmin authentication Note:-If […]

PHP Directory Management: How to Create and Delete Directories

Last updated on November 8th, 2024 at 12:11 pmIn this section, we will explore the process of creating and managing directories through a straightforward PHP script. This will serve as a comprehensive guide for PHP directory manipulation. Listing Directory Let’s start with simple listing the contents of a directory. We need three functions to perform […]

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