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This document uses PHP Chinese website manual Release
(PHP 5 >= 5.3.0, PECL fileinfo >= 0.1.0)
This class provides an object oriented interface into the fileinfo functions.
$options
= FILEINFO_NONE
[, string $magic_file
= NULL
]] )$string
= NULL
[, int $options
= FILEINFO_NONE
[, resource $context
= NULL
]] )$file_name
= NULL
[, int $options
= FILEINFO_NONE
[, resource $context
= NULL
]] )$options
)