[stable25] fix: BMP image without color info causes array access on false
#38959
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Signed-off-by: Christoph Wurst <[email protected]>
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Trying to access array offset on value of type bool at lib/private/legacy/OC_Image.php#934Summary
Invalid BMPs can cause PHP errors to be logged again and again.
26+ don't have this problem because the OC_Image method was replaced with a call to GD in #35560
TODO
Checklist