exif_imagetypeDetermine the type of an image Description
intfalse exif_imagetype(string
$filename )exif_imagetype reads the first bytes of an image and checks its signature. exif_imagetype can be used to avoid calls to other exif functions with unsupported file types or in conjunction with $_SERVER['HTTP_ACCEPT'] to check whether or not the viewer is able to see a specific image in the browser. Parameters
Return Values
When a correct signature is found, the appropriate constant value will be
returned otherwise the return value is The following constants are defined, and represent possible exif_imagetype return values:
Changelog
Examples
Example #1 exif_imagetype example
See Also
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