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In PHP, what is the significance of using FETCH_ASSOC when retrieving data from a database, and how does it impact array structure?

When retrieving data from a database in PHP, using FETCH_ASSOC in the fetch method is significant because it fetches each row as an associative array,...

What are the potential issues with storing image URLs in a database, especially when it comes to software migration or path changes?

When storing image URLs in a database, the potential issue arises when software migration or path changes occur. If the image URLs are hardcoded in th...

In the provided code snippet, what is the purpose of using substr() function and how does it contribute to the memory error?

The issue with the code snippet is that the substr() function is being used incorrectly, causing a memory error. The substr() function is used to extr...

Why is it important to ensure that the form is properly loaded before checking if the file field is filled in PHP?

It is important to ensure that the form is properly loaded before checking if the file field is filled in PHP because if the form is not loaded correc...

What does it mean for a file extension to be "correct" when using application/octet-stream as the Content-Type in PHP?

When using application/octet-stream as the Content-Type in PHP, the file extension does not play a role in determining the file type. Instead, the Con...