Php/docs/image.configuration

From Get docs

Runtime Configuration

The behaviour of these functions is affected by settings in php.ini.

Image Configure Options
Name Default Changeable Changelog
gd.jpeg_ignore_warning "1" PHP_INI_ALL  

For further details and definitions of the PHP_INI_* modes, see the Where a configuration setting may be set. Here's a short explanation of the configuration directives.

gd.jpeg_ignore_warning bool
Ignore warnings (but not errors) created by libjpeg(-turbo).
Changelog for gd.jpeg_ignore_warning
Version Description
7.1.0 The default of gd.jpeg_ignore_warning has been changed from 0 to 1.

See also the exif configuration directives.

Warning Image functions are very memory intensive. Be sure to set memory_limit high enough, if you are using the bundled version of the GD library.