finfo_buffer
(PECL fileinfo:0.1-1.0.4)
finfo_buffer — Return information about a string buffer
说明
string finfo_buffer
( resource $finfo
, string $string
[, int $options
[, resource $context
]] )
finfo
string buffer
( string $string
[, int $options
[, resource $context
]] )
This function is used to get information about binary data in a string.
参数
- finfo
-
Fileinfo resource returned by finfo_open().
- string
-
Content of a file to be checked.
- options
-
One or disjunction of more Fileinfo constants.
- context
-
返回值
Returns a textual description of the string argument, or FALSE if an error occurred.
范例
Example#1 A finfo_buffer() example
<?php
$finfo = new finfo(FILEINFO_MIME);
echo $finfo->buffer($_POST["script"]) . "\n";
?>
上例的输出类似于：
application/x-sh
