finfo_file
finfo::file
(PHP >= 5.3.0, PHP 7, PHP 8, PECL fileinfo >= 0.1.0)
finfo_file -- finfo::file — Return information about a file
Description
Procedural style
finfo
$finfo
,string
$filename
,int
$flags
= FILEINFO_NONE
,?resource
$context
= null
): string|false
Object-oriented style
$filename
, int $flags
= FILEINFO_NONE
, ?resource $context
= null
): string|falseThis function is used to get information about a file.
Parameters
-
finfo
-
An finfo instance, returned by finfo_open().
-
filename
-
Name of a file to be checked.
-
flags
-
One or disjunction of more Fileinfo constants.
-
context
-
For a description of
contexts
, refer to Stream Functions.
Return Values
Returns a textual description of the contents of the
filename
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_file() example
<?php
$finfo = finfo_open(FILEINFO_MIME_TYPE); // return mime type ala mimetype extension
foreach (glob("*") as $filename) {
echo finfo_file($finfo, $filename) . "\n";
}
finfo_close($finfo);
?>
The above example will output something similar to:
text/html image/gif application/vnd.ms-excel