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  1. <?php
  2.  
  3. $text = <<<STR
  4. First  sentence
  5. Second sentence
  6. Third    sentence
  7. STR;
  8. print($text."\n\n");
  9.  
  10. $text = preg_replace( '/ +/', ' ', $text );
  11. print($text."\n\n");
  12.  
  13. $text = str_replace( array( "\r", "\r\n", "\n"), '  ', $text );
  14. print($text."\n\n");
  15.  
  16. $text = str_replace( '  ', "\n", $text );
  17. print($text."\n\n");
Success #stdin #stdout 0.01s 20520KB
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stdin
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Standard input is empty
stdout
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First  sentence
Second sentence
Third    sentence

First sentence
Second sentence
Third sentence

First sentence  Second sentence  Third sentence

First sentence
Second sentence
Third sentence
https://ideone.com/AcgF4M
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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