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

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Release： 2016-07-25 08:48:23
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  3. Get file suffix
  7. Upload file:
  10. if(!empty($_POST["sub"])){
  11. $a = strrev($_POST["text"]); // Reverse the string
  12. $b = explode(".",$a); //Split the string with a period
  13. $c = strrev($b[0]);
  14. echo "The file suffix is: .$c" ."
    ";
  15. }
  16. ?>
  17. session_start();
  18. if(!empty($_POST["sub"])){
  19. echo "The file name is automatically converted to uppercase: ".strtoupper($_POST["text"])."
    ";
  20. echo "The file name is automatically converted to lowercase:".strtolower($_POST["text"])."
    ";
  21. }
  22. ?>
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Related labels：
获取上传文件后缀名及统一文件名大小写
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