<?php $string = "å\nä"; var_export(preg_split('/.\K/u', $string, 0, PREG_SPLIT_NO_EMPTY)); echo "\n---\n"; var_export(preg_split('/.\K/us', $string, 0, PREG_SPLIT_NO_EMPTY)); echo "\n---\n"; var_export(preg_split('/\X\K/u', $string, 0, PREG_SPLIT_NO_EMPTY));
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Value for `_results` contains invalid data `array`