45

filemimetype

engine  |  filtersms

filemimetype.php
file_mime_type
SYNOPSIS

file_mime_type($file, $encoding=true)

DESCRIPTION

file_mime_type returns the MIME type of the file $file; e.g. text/plain. If $encoding is true, file_mime_type adds the character encoding used for the data, e.g. text/plain; charset=utf-8. The MIME type and the encoding type are separated by a ; (SEMICOLON) followed by a space character (SPACE).

CODE
  1. function file_mime_type($file, $encoding=true) {
  2.     $mime=false;
  3.  
  4.     if (function_exists('finfo_file')) {
  5.         $finfo = finfo_open(FILEINFO_MIME);
  6.         $mime = @finfo_file($finfo, $file);
  7.         finfo_close($finfo);
  8.     }
  9.     else if (substr(PHP_OS, 0, 3) == 'WIN') {
  10.         $mime = mime_content_type($file);
  11.     }
  12.     else {
  13.         $file = escapeshellarg($file);
  14.         $cmd = "file -iL $file";
  15.  
  16.         exec($cmd, $output, $r);
  17.  
  18.         if ($r == 0) {
  19.             $mime = substr($output[0], strpos($output[0], ': ')+2);
  20.         }
  21.     }
  22.  
  23.     if (!$mime) {
  24.         return false;
  25.     }
  26.  
  27.     if ($encoding) {
  28.         return $mime;
  29.     }
  30.  
  31.     return substr($mime, 0, strpos($mime, '; '));
  32. }

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