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Home > Backend Development > PHP Tutorial > PHP如何获取图片的压缩质量品质？

PHP如何获取图片的压缩质量品质？

WBOY
Release： 2016-06-06 20:34:28
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PHP是否能够通过一些方法获取一张图片品质，最近在做一些图片处理遇到这个需求。

PHP如何获取图片的压缩质量品质？

上面的图是我用firework打开一张图片，需要得到的就是截图标红区域的品质。

回复内容：

PHP是否能够通过一些方法获取一张图片品质，最近在做一些图片处理遇到这个需求。

PHP如何获取图片的压缩质量品质？

上面的图是我用firework打开一张图片，需要得到的就是截图标红区域的品质。

PHP GD库 imagejpeg()函数第三个参数可以指定质量
手册

对比值，大小和原图比一下就好了

不懂，坐等高手

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