Way to verify if variable is a valid GD image resource?
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07-11-2019 - |
Question
I have a class that accepts a GD image resource as one of its arguments. As far as I know, there is no way to type hint this since it is a resource and not an object. Is there a way to validate whether the supplied argument is a valid GD image resource (aside from further functionality using this resource failing)?
PS: Please do not mention ImageMagick in your answer...
No correct solution
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