Get File Path Data in PHP

You may retrieve all needed file path data using PHP's built-in function pathinfo. You don't need to create your own functions or use regular expressions to get this info. It was already been created for this purpose.

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  1. <?php
  2. // pathinfo() constants parameter list
  3. // PATHINFO_DIRNAME  => directory name
  4. // PATHINFO_BASENAME => name of file (w/out extension)
  5. // PATHINFO_EXTENSION => file extension
  6. // PATHINFO_FILENAME   => file name w/ extension
  7.  
  8. $path = '/images/thumbs/my_avatar.gif';
  9.  
  10. //outputs '/images/thumbs/'
  11. echo pathinfo($path, PATHINFO_DIRNAME);
  12.  
  13. //outputs 'my_avatar'
  14. echo pathinfo($path, PATHINFO_BASENAME);
  15.  
  16. //outputs 'my_avatar.gif'
  17. echo pathinfo($path, PATHINFO_FILENAME);
  18.  
  19. //outputs 'gif'
  20. echo pathinfo($path, PATHINFO_EXTENSION);
  21. ?>
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