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  1. <?php
  2. function convertSpecialToHTML($char) {
  3.     $special = ['#', '&', '+', '\\'];
  4.  
  5.     if (in_array($char, $special)) {
  6.         return '&#'.ord($char).';';
  7.     } else {
  8.         return $char;
  9.     }
  10. }
  11.  
  12. echo convertSpecialToHTML('#');  //&#35;
  13. echo convertSpecialToHTML("\\"); //&#92;
  14. echo convertSpecialToHTML("&");  //&#38;
  15. echo convertSpecialToHTML("+");  //&#43;
Success #stdin #stdout 0.01s 82880KB
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Standard input is empty
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&#35;&#92;&#38;&#43;
https://ideone.com/vGNZ5e
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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