PHP implementation of the Escape and Unescape function code sharing in JavaScript, escapeunescape_php tutorial

PHP implements the escape and Unescape function code sharing in JavaScript, Escapeunescape

This class is pretty good. function, PHP to do JSON pass GBK characters, such as Chinese, Japanese, Korean god horse Unicode most suitable.

<?phpclasscoding{//mimic the function of the escape and unescape functions of JavaScript functionunescape ($str) {$text =preg_replace_callback ("/%u [0-9a-za-z]    {4}/", Array (& $this, ' ToUtf8 '), $STR);  Returnmb_convert_encoding ($text, "gb2312", "utf-8");      } FunctiontoUtf8 ($ar) {foreach ($aras $val) {$val =intval (substr ($val, 2), 16);      if ($val <0x7f) {//0000-007f $c. =CHR ($val); }elseif ($val <0x800) {//0080-0800 $c. =CHR (0xc0| (        $val/64)); $c. =CHR (0x80| (      $val%64)); }else{//0800-ffff $c. =CHR (0xe0| (        ($val/64)/64)); $c. =CHR (0x80| (        ($val/64)%64)); $c. =CHR (0x80| (      $val%64));  }} return$c;    } functionescape ($string, $encoding = ' gb2312 ') {$return = '; for ($x =0; $x
 
  
   1)      {//multibyte character $return. = '%u '. Strtoupper (Bin2Hex (mb_convert_encoding ($str, ' UCS-2 ', $encoding)));      }else{$return. = '% '. Strtoupper (Bin2Hex ($STR));  }} Return$return; } Functiongb2utf8 ($string, $encoding = ' utf-8 ', $from _encode= ' gb2312 ') {returnmb_convert_encoding ($string, $encoding,  $from _encode); }}?>
  
 

Another similar script found on Google code

<?php Functionphpescape ($str) {$sublen =strlen ($STR);        $retrunString = ""; for ($i =0; $i < $sublen; $i + +) {if (Ord ($str [$i]) >=127) {$tmpString =bin2hex (                Iconv ("GBK", "Ucs-2", substr ($str, $i, 2)));                $tmpString =substr ($tmpString, 2,2). substr ($tmpString, 0,2);                $retrunString. = "%u". $tmpString;            $i + +;            }else{$retrunString. = "%". Dechex (Ord ($str [$i]);    }} return$retrunstring; } functionescape ($str) {Preg_match_all ("/[\x80-\xff].|        [\x01-\x7f]+/], $STR, $r);        $ar = $r [0];            foreach ($aras $k=> $v) {if (Ord ($v [0]) <128) $ar [$k]=rawurlencode ($v);        else $ar [$k]= "%u". Bin2Hex (Iconv ("UTF-8", "UCS-2", $v));    } returnjoin ("", $ar);        } functionphpunescape ($source) {$decodedStr = "";        $pos = 0;             $len =strlen ($source);   while ($pos < $len) {$charAt =substr ($source, $pos, 1);                if ($charAt = = '% ') {$pos + +;                $charAt =substr ($source, $pos, 1);                    if ($charAt = = ' U ') {//We got a Unicode character $pos + +;                    $unicodeHexVal =substr ($source, $pos, 4);                    $unicode =hexdec ($unicodeHexVal);                    $entity = "the". $unicode. '; ';                    $decodedStr. =utf8_encode ($entity);                $pos +=4;                    }else{//We have an escaped ASCII character $hexVal =substr ($source, $pos, 2);                    $decodedStr. =CHR (Hexdec ($hexVal));                $pos +=2;                }}else{$decodedStr. = $charAt;            $pos + +;    }} return$decodedstr;        } functionunescape ($str) {$str =rawurldecode ($STR); Preg_maTch_all ("/(?:%u.{4}) |& #x. {4};|&#\d+;|.+/u", $str, $r);        $ar = $r [0];        #print_r ($ar); foreach ($aras $k=> $v) {if (substr ($v, 0,2) = = "%u") $ar [$k]=iconv ("UCS-2", "UTF-8", Pack ("H4            ", substr ($v,-4)));            ElseIf (substr ($v, 0,3) = = "& #x") $ar [$k]=iconv ("UCS-2", "UTF-8", Pack ("H4", substr ($v, 3,-1)));                ElseIf (substr ($v, 0,2) = = "I") {//echo substr ($v, 2,-1). "";            $ar [$k]=iconv ("UCS-2", "UTF-8", Pack ("n", substr ($v, 2,-1)));    }} returnjoin ("", $ar); }?>

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