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  1. <?php
  2.  
  3. $text = "This is some text. This is some text. Vending Machines are great.Баста - ЧК (Чистый Кайф)";
  4. $string = preg_replace('/[^\p{L}\p{N}\s]/u', ' ', $text);
  5. $string = preg_replace('/\s+/', ' ', $string);
  6. $string = mb_strtolower($string, 'UTF-8');
  7. $keywords = explode(' ', trim($string));
  8. var_dump($keywords);
Success #stdin #stdout 0.02s 52480KB
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stdin
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Standard input is empty
stdout
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array(16) {
  [0]=>
  string(4) "this"
  [1]=>
  string(2) "is"
  [2]=>
  string(4) "some"
  [3]=>
  string(4) "text"
  [4]=>
  string(4) "this"
  [5]=>
  string(2) "is"
  [6]=>
  string(4) "some"
  [7]=>
  string(4) "text"
  [8]=>
  string(7) "vending"
  [9]=>
  string(8) "machines"
  [10]=>
  string(3) "are"
  [11]=>
  string(5) "great"
  [12]=>
  string(10) "баста"
  [13]=>
  string(4) "чк"
  [14]=>
  string(12) "чистый"
  [15]=>
  string(8) "кайф"
}
https://ideone.com/ZdA07F
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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