(PHP 5 >= 5.3.0, PECL fileinfo >= 0.1.0)
finfo_buffer -- finfo::buffer — Return information about a string buffer
过程化风格
$finfo
, string $string = NULL
[, int $options = FILEINFO_NONE
[, resource $context = NULL
]] )面向对象风格
$string = NULL
[, int $options = FILEINFO_NONE
[, resource $context = NULL
]] )This function is used to get information about binary data in a string.
finfo
Fileinfo resource returned by finfo_open().
string
Content of a file to be checked.
options
One or disjunction of more Fileinfo constants.
context
Returns a textual description of the string
argument, or FALSE if an error occurred.
Example #1 A finfo_buffer() example
<?php
$finfo = new finfo(FILEINFO_MIME);
echo $finfo->buffer($_POST["script"]) . "\n";
?>
以上例程的输出类似于：
application/x-sh; charset=us-ascii