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  1. <?php
  2.  
  3. $string = '';
  4.  
  5. $sub = substr($string , 0, 2);
  6.  
  7. var_dump($sub);
  8.  
  9. /*EOF*/
Success #stdin #stdout 0.02s 52472KB
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stdin
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Standard input is empty
stdout
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bool(false)
https://ideone.com/hQBefG
Getting a sub-string of an empty string.
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
secret

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