PHP decryption Unicode and escape encrypted strings, unicodeescape_php tutorial

PHP decrypts Unicode and escape encrypted strings, Unicodeescape

This article is to share a PHP decrypted Unicode and escape encrypted string function

<?php function Uni_decode ($s) {preg_match_all ('/\&\# ([0-9]{2,5}) \;/', $s, $html _uni);    Preg_match_all ('/[\\\%]u ([0-9a-f]{4})/ie ', $s, $js _uni);    $source = Array_merge ($html _uni[0], $js _uni[0]);    $js = Array (); for ($i =0; $i
 
  
    >6);    $str. =CHR (0x80 | $c & 0x3f);       } else if ($c < 0x10000) {$str. =CHR (0xe0 | $c >>12);       $str. =CHR (0x80 | $c >>6 & 0x3f);    $str. =CHR (0x80 | $c & 0x3f);       } else if ($c < 0x200000) {$str. =CHR (0xf0 | $c >>18);       $str. =CHR (0x80 | $c >>12 & 0x3f);       $str. =CHR (0x80 | $c >>6 & 0x3f);    $str. =CHR (0x80 | $c & 0x3f);  } return $STR;
 } $str = '%u5927%u5bb6%u597d%uff0c I am a ghost!  
   
 \u8fd9\u662f\u6d4b\u8bd5\u6587\u672c\uff01 '; echo Uni_decode ($STR); Hello everyone, I am the soul of ghosts!  
This is the test text! 
  
 

Search on the Internet, a lot of PHP implementation of the escape function, similar

function Phpescape ($str) {   Preg_match_all ("/[\x80-\xff].| [\x01-\x7f]+/], $STR, $newstr);   $ar = $newstr [0];   foreach ($ar as $k = + $v) {     if (ord ($ar [$k]) >=127) {       $tmpString =bin2hex (iconv ("GBK", "ucs-2", $v));       if (!eregi ("WIN", Php_os)) {         $tmpString = substr ($tmpString, 2,2). substr ($tmpString, 0,2);       }       $reString. = "%u". $tmpString;     } else {       $reString. = Rawurlencode ($v);     }   }   

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