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  1. <?php
  2.  
  3.    $var = "123 456 789";
  4.  
  5. //errado não vai imprimir nada
  6. echo str_replace($var," ","").PHP_EOL;
  7.  
  8. //substitui espaço por virgula
  9. echo str_replace(" ",",",$var).PHP_EOL;
  10.  
  11. //substitui espaço por virgula mais espaço
  12. echo str_replace(" ",", ",$var).PHP_EOL;
Success #stdin #stdout 0.02s 82560KB
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123,456,789
123, 456, 789
https://ideone.com/1RQCyK
language:
PHP (php 7.3.5)
created:
6 years ago
visibility:
public

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