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  1. <?php
  2.  
  3. function htmlent2xml($s) {
  4.     return preg_replace_callback("/(&[a-zA-Z][a-zA-Z0-9]*;)/",function($m){
  5.        $c = html_entity_decode($m[0],ENT_HTML5,"UTF-8");
  6.        # return htmlentities($c,ENT_XML1,"UTF-8"); -- see update below
  7.  
  8.        $convmap = array(0x80, 0xffff, 0, 0xffff);
  9.        return mb_encode_numericentity($c, $convmap, 'UTF-8');
  10.     },$s);
  11. }
  12.  
  13. print htmlent2xml("Oggi &egrave; un bel&nbsp;giorno");
Success #stdin #stdout 0.02s 25860KB
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Oggi &#232; un bel&#160;giorno
https://ideone.com/TgmKSe
language:
PHP (php 7.3.5)
created:
3 years ago
visibility:
public

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