Last updated on November 8th, 2024 at 12:34 pmThis code reads a number from a file, increments it, saves the new value back into the file, and displays it. Each time the script runs, the counter in hits.txt increases by 1. However, this approach requires hits.txt to have write permissions, and concurrent access might lead […]
Last updated on March 29th, 2022 at 07:21 amIn this tutorial we are going to see how to open child window from a browser parent and close the same child window using Javascript. We are assigning a variable named childwin to window.open function and then just use childwin.close() to eventually close the child browser window […]
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 […]
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 […]
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