Using case-insensitive string comparisons using mb_strtolower #195
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This replaces `strtolower`, which does not support unicode. DK seems to allow any letter and symbol in various codes and references (including variations). This fixes an issue where variations did not end up in invoice exports, as a comparison conditional was failing.
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This replaces
strtolower, which does not support unicode. DK seems to allow any letter and symbol in various codes and references (including variations).This fixes an issue where variations did not end up in invoice exports, as a comparison conditional was failing.