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  1. <?php
  2. $foo = file_get_contents('php://stdin', "r");
  3. $foo = preg_replace( '/\h+/', ' ', $foo );
  4. echo $foo;
  5. ?>
Success #stdin #stdout 0.01s 20520KB
comments (?)
stdin
copy 
Hello     very 
world
stdout
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Hello very 
world
https://ideone.com/NcOiKW
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
secret

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