Misrendered characters in collections/admin/importextended.php

[Atticus29]

To reproduce:
try to upload bulk associations following the docs.

[themerekat]

This ALWAYS happens only on the first field of the upload!

[egbot]

I'm guessing that this is mainly happening when uploading CSV files generated on a Mac, or any system that appends a UTF-8 BOM to the beginning of the CSV file. If so, the issue can be resolved stripping off the BOM after reading the first line. See following code for an example:

Symbiota/classes/TaxonomyUpload.php

Line 76 in 06f6cb6

if(substr($headerArr[0], 0, 3) == chr(hexdec('EF')).chr(hexdec('BB')).chr(hexdec('BF'))){