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run code in 500+ PHP versions simultaneously
<?php $finfo = new finfo(FILEINFO_MIME_TYPE); var_dump($finfo->buffer("<?php\nclass A{}")); var_dump($finfo->buffer("<?php class A{}")); var_dump($finfo->buffer("<?php\tclass A{}")); var_dump($finfo->buffer("<?php\n\rclass A{}"));

preferences:
88.5 ms | 2307 KiB | 5 Q