It's not mentioned, but this function removes all profiles, etcetera from the image.
PHP - Manual: Gmagick::thumbnailimage
2024-12-22
(PECL gmagick >= Unknown)
Gmagick::thumbnailimage — Changes the size of an image
Changes the size of an image to the given dimensions and removes any associated profiles.
The goal is to produce small low cost thumbnail images suited for display on the Web.
If true
is given as a third parameter then columns and rows parameters are used as maximums
for each side. Both sides will be scaled down until the match or are smaller than the parameter given for the side.
width
Image width.
height
Image height.
The Gmagick object.
错误时抛出 GmagickException。
官方地址:https://www.php.net/manual/en/gmagick.thumbnailimage.php