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  1. <?php
  2.  
  3. ob_start();
  4.  
  5. echo "Olá mundo";
  6.  
  7. header('content-type: text/plain;');
  8.  
  9.  
  10. var_dump(ob_get_contents());
Success #stdin #stdout 0.01s 82880KB
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Olá mundostring(10) "Olá mundo"
https://ideone.com/m9KohF
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
public

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