php file manager error on array

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Good afternoon, im doing a php file manager and when i was trying to see te output, and all works in conditions i see those erros in my browser:

Warning: Undefined array key "file" in C:\xampp\htdocs\TESTE\index.php on line 33
Warning: Undefined array key "file" in C:\xampp\htdocs\TESTE\index.php on line 39
Warning: Undefined array key "file" in C:\xampp\htdocs\TESTE\index.php on line 50
Warning: Undefined array key "do" in C:\xampp\htdocs\TESTE\index.php on line 51
Warning: Undefined array key "do" in C:\xampp\htdocs\TESTE\index.php on line 77
Warning: Undefined array key "do" in C:\xampp\htdocs\TESTE\index.php on line 82
Warning: Undefined array key "do" in C:\xampp\htdocs\TESTE\index.php on line 90
Warning: Undefined array key "do" in C:\xampp\htdocs\TESTE\index.php on line 97

and those are some of my lines

Jun 5, 2021 in Others by tomas

edited Mar 4 26 views

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