finfo_file
(PHP >= 5.3.0, PECL fileinfo >= 0.1.0)
finfo_file — Return information about a file
Description
Procedural style
   string finfo_file
    ( resource $finfo
   , string $file_name = NULL
   [, int $options = FILEINFO_NONE
   [, resource $context = NULL
  ]] )
  Object oriented style
    string finfo::file
     ( string $file_name = NULL
    [, int $options = FILEINFO_NONE
    [, resource $context = NULL
   ]] )
  This function is used to get information about a file.
Parameters
- finfo
- 
      Fileinfo resource returned by finfo_open(). 
- file_name
- 
      Name of a file to be checked. 
- options
- 
      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.
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