HEVC Image Sequence (HEIF Container)

import magic
print(magic.from_file('livephoto.heics', mime=True)) # May default to 'image/heif' or 'image/heic'

const FileType = require('file-type');
const type = await FileType.fromFile('livephoto.heics');
console.log(type.mime); // Typically resolves to image/heic or image/heic-sequence based on the library version

import "net/http"

// The standard net/http library cannot detect HEIF sequences.
// Specialized ISOBMFF parsing is required to read the 'hevc' brand.

$mime = mime_content_type('livephoto.heics');
echo $mime; // Standard magic databases often lack specific sequence signatures