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imagejpeg
(PHP 4, PHP 5, PHP 7)
imagejpeg — Output image to browser or file
Description
imagejpeg ( resource [, mixed = [, int = -1 ]] ) : bool
imagejpeg() creates a file from the given .
Parameters
An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
The path or an open stream resource (which is automatically being closed after this function returns) to save the file to. If not set or , the raw image stream will be outputted directly.
is optional, and ranges from 0 (worst quality, smaller file) to 100 (best quality, biggest file). The default () uses the default IJG quality value (about 75).
Return Values
Returns on success or on failure.
CautionHowever, if libgd fails to output the image, this function returns .
Examples
Example #1 Outputting a JPEG image to the browser
The above example will output something similar to:
Example #2 Saving a JPEG image to a file
Example #3 Outputting the image at 75% quality to the browser
Notes
Note:
If you want to output Progressive JPEGs, you need to set interlacing on with imageinterlace().
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