Predefined Constants
The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.
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FILEINFO_NONE(integer) - No special handling.
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FILEINFO_SYMLINK(integer) - Follow symlinks.
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FILEINFO_MIME_TYPE(integer) - Return the mime type. Available since PHP 5.3.0.
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FILEINFO_MIME_ENCODING(integer) - Return the mime encoding of the file. Available since PHP 5.3.0.
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FILEINFO_MIME(integer) - Return the mime type and mime encoding as defined by RFC 2045.
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FILEINFO_COMPRESS(integer) - Decompress compressed files. Disabled since PHP 5.3.0 due to thread safety issues.
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FILEINFO_DEVICES(integer) - Look at the contents of blocks or character special devices.
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FILEINFO_CONTINUE(integer) - Return all matches, not just the first.
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FILEINFO_PRESERVE_ATIME(integer) - If possible preserve the original access time.
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FILEINFO_RAW(integer) - Don't translate unprintable characters to a \ooo octal representation.
Коментарии
proceed with caution
as the documentation already says
FILEINFO_MIME will output something like "image/jpeg; charset=binary"
while
FILEINFO_MIME_TYPE outputs "image/jpeg"
and
FILEINFO_MIME_ENCODING outputs "binary"