finfo_buffer

finfo::buffer

(PHP 5 >= 5.3.0, PHP 7, PHP 8, PECL fileinfo >= 0.1.0)

finfo_buffer -- finfo::buffer — Return information about a string buffer

Description

Procedural style

function finfo_buffer(
    finfo $finfo,
    string $string,
    int $flags = FILEINFO_NONE,
    ?resource $context = null
): string|false

Object-oriented style

public function finfo::buffer(string $string, int $flags = FILEINFO_NONE, ?resource $context = null): string|false

This function is used to get information about binary data in a string.

Parameters

finfo: An finfo instance, returned by finfo_open().
string: Content of a file to be checked.
flags: One or disjunction of more Fileinfo constants.
context

Return Values

Returns a textual description of the string argument, or false if an error occurred.

Changelog

Version	Description
8.5.0	The `context` parameter has been deprecated as it is ignored.
8.1.0	The `finfo` parameter expects an finfo instance now; previously, a resource was expected.
8.0.0	`context` is nullable now.

Examples

Example #1 A finfo_buffer() example

<?php
$finfo = new finfo(FILEINFO_MIME);
echo $finfo->buffer($_POST["script"]) . "\n";
?>

The above example will output something similar to:

application/x-sh; charset=us-ascii