finfo_buffer

(PHP 5 >= 5.3.0, PECL fileinfo >= 0.1.0)

finfo_buffer — Return information about a string buffer

说明

过程化风格

string finfo_buffer ( resource $finfo , string $string = NULL [, int $options = FILEINFO_NONE [, resource $context = NULL ]] )

面向对象风格

string finfo::buffer ( string $string = NULL [, int $options = FILEINFO_NONE [, resource $context = NULL ]] )

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";
?>

以上例程的输出类似于：

application/x-sh; charset=us-ascii

参见

finfo_file() - Return information about a file