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  1. echo "Hello world!";
  2. <?php
  3.   echo "Hello world!";
  4.  ?>
  5.  //This is a comment
  6.  
  7.  
Success #stdin #stdout 0.02s 25636KB
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Standard input is empty
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echo "Hello world!";
Hello world! //This is a comment
https://ideone.com/E2tsFC
language:
PHP (php 7.3.5)
created:
1 year ago
visibility:
public

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