unicode_set_subst_char
Exif
Function Reference
PHP Manual
Image Processing and Generation
Exif
— Exchangeable image information
Introduction
Installing/Configuring
Predefined Constants
Exif Functions
GD
— Image Processing and GD
Introduction
Installing/Configuring
Predefined Constants
Examples
GD and Image Functions
ImageMagick
— Image Processing (ImageMagick)
Introduction
Installing/Configuring
Predefined Constants
Examples
The Imagick class
The ImagickDraw class
The ImagickPixel class
The ImagickPixelIterator class
Gmagick
Introduction
Installing/Configuring
Predefined Constants
Examples
Gmagick
— The Gmagick class
GmagickDraw
— The GmagickDraw class
GmagickPixel
— The GmagickPixel class
unicode_set_subst_char
Exif
Function Reference
PHP Manual