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run code in 300+ PHP versions simultaneously
<?php $string = "\xEF\xBB\xBF\x22\x61\x22\x0A"; var_dump(mb_detect_encoding($string)); $stream = fopen('php://memory', 'w+'); fwrite($stream, $string); rewind($stream); var_dump(fgetcsv($stream, 1000, ","));

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28.9 ms | 409 KiB | 5 Q