What are the differences between the file types "image/jpeg" and "image/pjpeg" in the context of PHP file uploads, and how do they impact script execution?

The main difference between "image/jpeg" and "image/pjpeg" file types in the context of PHP file uploads is that "image/pjpeg" is a proprietary format used by some browsers to send JPEG images. This can cause compatibility issues with PHP scripts that expect the standard "image/jpeg" format. To handle both formats correctly, you can check for both MIME types in your PHP script when processing file uploads. 

// Check for both "image/jpeg" and "image/pjpeg" MIME types
if ($_FILES['file']['type'] == 'image/jpeg' || $_FILES['file']['type'] == 'image/pjpeg') {
    // Process the file upload
    // Add your file processing code here
} else {
    // Handle unsupported file types
    echo 'Unsupported file type. Please upload a JPEG image.';
}

Keywords

file types image/jpeg image/pjpeg PHP file uploads script execution

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