Image Processing and Generation
Introduction
Image Processing and Generation
PHP Manual

# Exchangeable image information

- Introduction
- Installing/Configuring
  - Installation
  - Runtime Configuration
  - Resource Types
- Predefined Constants
- Exif Functions
  - 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

Image Processing and Generation
Introduction
Image Processing and Generation
PHP Manual