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finfo_file

(PECL)

finfo_file -- Return information about a file

说明

string finfo_file ( resource finfo, string file_name [, int options [, resource context]] )

class finfo {

string file ( string file_name [, int options [, resource context]] )

}

This function is used to get information about a file.

参数

finfo

Fileinfo resource returned by finfo_open().

file_name

Name of a file to be checked.

options

One or disjunction of more Fileinfo constants.

context

For a description of contexts, refer to 参考 CLIV, Stream Functions.

返回值

Returns a textual description of the contents of the filename argument, or FALSE if an error occurred.

范例

例子 1. A finfo_file() example

<?php
$finfo = finfo_open(FILEINFO_MIME); // return mime type ala mimetype extension
foreach (glob("*") as $filename) {
    echo finfo_file($finfo, $filename) . "\n";
}
finfo_close($finfo);
?>

上例的输出类似于：

text/html
image/gif
application/vnd.ms-excel

参见

finfo_buffer()



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finfo_close上一级finfo_open

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