Get the suffix name of the uploaded file and unify the upper and lower case of the file name

Get file suffix



Upload file:


 if(!empty($_POST["sub"])){
 $a = strrev($_POST["text"]); // Reverse the string
 $b = explode(".",$a); //Split the string with a period
 $c = strrev($b[0]);
 echo "The file suffix is: .$c" ."";
 }
 ?>
session_start();
if(!empty($_POST["sub"])){
 echo "The file name is automatically converted to uppercase: ".strtoupper($_POST["text"])."";
 echo "The file name is automatically converted to lowercase:".strtolower($_POST["text"])."";
}
?>