imagejpeg creates a JPEG file from the given image.
A GdImage object, returned by one of the image creation functions, such as imagecreatetruecolor.
The path or an open stream resource (which is automatically closed after this function returns) to save the file to. If not set or null, the raw image stream will be output directly.
quality is optional, and ranges from 0 (worst quality, smaller file) to 100 (best quality, biggest file). The default (-1) uses the default IJG quality value (about 75).
Returns true on success or false on failure.
However, if libgd fails to output the image, this function returns true.
If you want to output Progressive JPEGs, you need to set interlacing on with imageinterlace.
|8.0.0||image expects a GdImage instance now; previously, a resource was expected.|