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  1. <?php
  2.  
  3. function string_to_octal($str)
  4. {
  5.     $chars = str_split($str);
  6.     $rtn = "";
  7.  
  8.     foreach ($chars as $c) { $rtn .= str_pad(base_convert(ord($c), 10, 8), 3, 0, STR_PAD_LEFT); }
  9.  
  10.     return $rtn;
  11. }
  12.  
  13. echo string_to_octal("Hello World!");
  14.  
  15. ?>
Success #stdin #stdout 0.01s 20520KB
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stdin 
Standard input is empty
stdout 
110145154154157040127157162154144041
https://ideone.com/ub1lPx
language:
PHP (php 7.3.5)
created:
12 years ago
visibility:
secret

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