array_column return empty array if file encoding contains BOM

[milhcbt]

Description

two identical file one with encoding UTF-8-BOM other with encoding UTF-8, both read successfully but when we try to get a column, the second one (with BOM) return empty array.

PHP Version

PHP8.0

Operating System

Ubuntu 20.04

[damianwadley]

The template you used to start this bug report asked you for reproducing code, the output it creates, and what you expected to see instead. Please provide that now.

[github-actions]

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