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
string
int
?resource
): string|false
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|falseThis 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
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