[BUGFIX] strtolower argument 1 must be of type string, null given #1263
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In case a file without extension is uploaded (e.g. a filename without a dot, like "pdf") an exception occurs, in all other cases a graceful false generates clear error messages. This simple fix should prevent the exception.
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(and update phpstan baseline with reduced errors) Related: #1263
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In case a file without extension is uploaded (e.g. a filename without a dot, like "pdf") an exception occurs, in all other cases a graceful false generates clear error messages. This simple fix should prevent the exception.
This is for 13.x #1247 does it for 12.x