php - How to map file path from different folder location easily? -

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How to easily map the path of the file? 

  public_html / api / function php & lt ;? Php function writingfile ($ content) {$ filename = 'logfile / test_randomstring.txt'; If (! $ Handle = fopen ($ filename, 'a')) {resonant "can not open file ($ filename)"; Go out; } Fclose ($ handle); }? & Gt;

The actual path of the text file is in the public_html / r / admin / logfile / test_randomstring.txt

, so if I type the Script on public_html / folder1 / folder2 / addlog.php , it will not be able to find the path of test_randomstring.txt 

  addlog.php

How can I easily enable this text file path, even if my php calling script is anywhere.

I have $ filename = 'logfile /testing_randomstring.txt'; Applying it properly on the path to fix, inside the lipatolagfile function, something is like $ $ filename = '/ r / admin / logfile / test_randomstring.txt', but it is not working

Instead of using a relative path, you can specify a full path. Assume that public_html is in your home directory, try it: 

  $ filename = '/public_html/r/admin/logfile/testing_randomstring.txt'; Popen (getenv ('HOME'). $ Filename, 'A');

This environment variable uses the $ HOME to read the contents.


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