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What are the potential drawbacks of storing images as BLOBs in a MySQL database compared to storing them in a directory on the server?

Storing images as BLOBs in a MySQL database can lead to slower performance and increased database size, as each image is stored directly in the databa...

What are the best practices for determining the number of displayed data sets from an array in PHP?

When determining the number of displayed data sets from an array in PHP, it is important to consider the total number of elements in the array and how...

In PHP, what are the considerations when deciding whether to duplicate a MySQL resource or store data in an array for processing in multiple loops?

When deciding whether to duplicate a MySQL resource or store data in an array for processing in multiple loops, consider the trade-offs between memory...

How can PHP developers ensure that uploaded images are properly processed and saved on the server?

When processing and saving uploaded images on the server in PHP, developers should ensure that the file type is valid, the file size is within accepta...

In what scenarios does using ftell() or rewind() functions become necessary when working with file pointers in PHP?

When working with file pointers in PHP, using ftell() becomes necessary when you need to determine the current position of the file pointer within a f...