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  1. <?php
  2.  
  3. $utf = "Hello there".str_repeat(json_decode('"\u00A0"'),10)."Bob!"; 
  4. $new_str = preg_replace("/\s+/u", " ", $utf); 
  5. echo $new_str;
Success #stdin #stdout 0.01s 52488KB
comments (?)
stdin 
Standard input is empty
stdout 
Hello there Bob!
https://ideone.com/I8qnpV
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
secret

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