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 "0" PHP_INI_ALL Available since PHP 5.1.3.
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 created by jpeg2wbmp and imagecreatefromjpeg

See also the exif configuration directives.

Warning

Image functions are very memory intensive. Be sure to set memory_limit high enough.