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  1. <?php
  2.  
  3.  $x=[
  4.  	'e-mail:&#103&#107&#118'=>'',
  5.  	"%u041F%u0440%u0438%u0432%u0435%u0442%21%20%u041C%u0438%u0440."=>'',
  6.  	"http://r...content-available-to-author-only...a.org/wiki/%D0%97%D0%B0%D0%B3%D0%BB%D0%B0%D0%B2%D0%BD%D0%B0%D1%8F_%D1%81%D1%82%D1%80%D0%B0%D0%BD%D0%B8%D1%86%D0%B0"=>'',
  7.  	"%EF%F0%E8%E2%E5%F2"=>'cp1251'
  8.  ];
  9.  
  10.  function unescape($str,$code='') {
  11.  // $str = rawurldecode($str);
  12.  
  13.   preg_match_all("/%u[0-9A-F]{4}|&#x[0-9A-F]{4};?|&#\d{3}|%[0-9A-F]{2}|.+/iU",$str,$r);
  14.   $ar = $r[0];
  15.   foreach($ar as $k=>$v) {
  16.     if(substr($v,0,2) == "%u") 
  17.     	$ar[$k] = iconv('UCS-2',"UTF-8",pack("H4",substr($v,4,2).substr($v,2,2)));
  18.     elseif(substr($v,0,3) == "&#x")
  19.         $ar[$k] = iconv('UCS-2',"UTF-8",pack("H4",substr($v,5,2).substr($v,3,2)));
  20.     elseif(substr($v,0,2) == "&#") {
  21.     	$ar[$k]=pack("n",substr($v,2));
  22.     	if($code && $code!="UTF-8")
  23.         	$ar[$k] = iconv($code,"UTF-8",$ar[$k]);
  24.     } elseif(substr($v,0,1) == "%") {
  25.     	$ar[$k]=pack("H2",substr($v,1,2));
  26.     	if($code && $code!="UTF-8")
  27.     		$ar[$k] = iconv($code,"UTF-8",$ar[$k]);
  28.     }
  29.  
  30.   }
  31.   return join("",$ar);
  32. }
  33.  
  34. foreach($x as $str=>$code)
  35. 	echo unescape($str,$code)."\n";
  36.  
Success #stdin #stdout 0.02s 24488KB
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e-mail:gkv
Привет! Мир.
http://r...content-available-to-author-only...a.org/wiki/Заглавная_страница
привет
https://ideone.com/aKQas2
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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