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  1. <?php
  2.  
  3. $fn = '../../../filename.txt';
  4. $fn_parts = (array_reverse(explode("../", $fn)));
  5. echo "../" . $fn_parts[0];
  6.  
  7. ?>
Success #stdin #stdout 0.02s 13112KB
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Standard input is empty
stdout
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../filename.txt
https://ideone.com/Mvevj5
language:
PHP (php 7.3.5)
created:
12 years ago
visibility:
public

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