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A php custom function to get the file extension

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Release: 2016-07-25 09:00:45
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  1. /*

  2. Get the file extension
  3. Usage: GetFiletype($filename)
  4. */

  5. function GetFiletype($Filename) {

  6. if (substr_count($Filename, ".") == 0) { // Check whether there is a . number in the file name.
  7. return; // Return empty
  8. } else if (substr($Filename, -1) == ".") { // Check if it ends with ., that is, no extension
  9. return; // Return empty
  10. } else {
  11. $FileType = strrchr ($Filename, "."); // Cut from . number
  12. $FileType = substr($FileType, 1); // Remove . number
  13. return $FileType; // Return
  14. }
  15. }

  16. $Filename = "index.php";

  17. $Filename = GetFileType($Filename);
  18. echo $Filename; // Print out php

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