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  1. <?php
  2.  
  3. $number= 1000;
  4. if($number > 999){
  5.  
  6. $number = number_format($number, 0, null, ' ');
  7. echo $number;
  8.  
  9. }
Success #stdin #stdout 0.02s 24400KB
stdin
Standard input is empty
stdout
1 000