A php custom function to get the file extension
Release： 2016-07-25 09:00:45
Original
1439 people have browsed it
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/* - Get the file extension
- Usage: GetFiletype($filename)
- */
function GetFiletype($Filename) { - if (substr_count($Filename, ".") == 0) { // Check whether there is a . number in the file name.
- return; // Return empty
- } else if (substr($Filename, -1) == ".") { // Check if it ends with ., that is, no extension
- return; // Return empty
- } else {
- $FileType = strrchr ($Filename, "."); // Cut from . number
- $FileType = substr($FileType, 1); // Remove . number
- return $FileType; // Return
- }
- }
$Filename = "index.php"; - $Filename = GetFileType($Filename);
- echo $Filename; // Print out php
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