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"
PHP - Manual: 预定义常量
2024-11-13
下列常量由此扩展定义,且仅在此扩展编译入 PHP 或在运行时动态载入时可用。
FILEINFO_NONE
(integer)
FILEINFO_SYMLINK
(integer)
FILEINFO_MIME_TYPE
(integer)
FILEINFO_MIME_ENCODING
(integer)
FILEINFO_MIME
(integer)
FILEINFO_COMPRESS
(integer)
FILEINFO_DEVICES
(integer)
FILEINFO_CONTINUE
(integer)
FILEINFO_PRESERVE_ATIME
(integer)
FILEINFO_RAW
(integer)
\ooo
八进制表示格式。
FILEINFO_EXTENSION
(integer)
JPEG
将会返回多个扩展名,
以斜杠分隔,比如 "jpeg/jpg/jpe/jfif"
。
如果在 magic.mime 数据库里类型未知,则返回的是 "???"
。
PHP 7.2.0 起有效。
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"