How can the data integrity be effectively maintained when storing images in a database with PHP?

When storing images in a database with PHP, data integrity can be effectively maintained by ensuring that the images are properly encoded before insertion and decoded after retrieval. This can be achieved by using base64 encoding and decoding functions in PHP. By encoding the image data before storing it in the database, we can prevent any corruption or loss of data during the storage process.

// Encode image data before storing in the database
$image_data = file_get_contents('image.jpg');
$encoded_image = base64_encode($image_data);

// Store the encoded image data in the database

// Retrieve the encoded image data from the database
// Decode the image data before displaying it
$decoded_image = base64_decode($encoded_image);
echo '<img src="data:image/jpeg;base64,' . $decoded_image . '" />';