Predefined Constants
exif_imagetype
Exif
PHP Manual

# Exif Functions

## Table of Contents

- exif_imagetype — Determine the type of an image
- exif_read_data — Reads the EXIF headers from JPEG or TIFF
- exif_tagname — Get the header name for an index
- exif_thumbnail — Retrieve the embedded thumbnail of a TIFF or JPEG image
- read_exif_data — Alias of exif_read_data

Predefined Constants
exif_imagetype
Exif
PHP Manual