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

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

Object-oriented style

public 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
8.1.0 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

See Also