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<?php $finfo = new finfo(FILEINFO_MIME_TYPE); var_dump($finfo->buffer("<?\n\nclass A{}")); var_dump($finfo->buffer("<?php class A{}")); var_dump($finfo->buffer("<?php\tclass A{}")); var_dump($finfo->buffer("<?php\n\rclass A{}"));

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27.42 ms | 402 KiB | 5 Q