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  1. <?php
  2. $subject = "this is the one Warmly little in before cousin as sussex...";
  3. $tags = explode(" ", strtolower($subject));
  4.  
  5. $definite_articles = array('the','this','then','there','from','for','to','as');
  6.  
  7. $tags = array_diff($tags, $definite_articles);
  8. print_r($tags);
  9. ?>
Success #stdin #stdout 0.03s 25768KB
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Array
(
    [1] => is
    [3] => one
    [4] => warmly
    [5] => little
    [6] => in
    [7] => before
    [8] => cousin
    [10] => sussex...
)
https://ideone.com/bSofvP
language:
PHP (php 7.3.5)
created:
5 days ago
visibility:
public

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