PHP implementation of escape and unescape function code in Javascript _ PHP Tutorial

PHP implements escape and unescape function code sharing in Javascript. PHP implementation of escape in Javascript and unescape function code sharing this article mainly introduces PHP implementation of escape and unescape function code sharing, this article provides two implementation versions, use PHP to implement the escape and unescape function code in Javascript.

This article mainly introduces how to implement the escape and unescape functions in Javascript in PHP. This article provides two implementation versions. For more information, see

This class is quite useful. what is the function? PHP uses JSON to transmit GBK characters, such as Chinese, Japanese, and Korean. Unicode is the most suitable ..

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Classcoding { // Simulates the functions of the javascript escape and UNESCAPE functions. 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) {// else -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 $ Str = mb_substr ($ string, $ x, 1, $ encoding ); If (strlen ($ str)> 1) {// multi-byte characters $ 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

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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 = "& #". $ 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) = "&#") { // Echo substr ($ v, 2,-1 ).""; $ Ar [$ k] = iconv ("UCS-2", "UTF-8", pack ("n", substr ($ v, 2,-1 ))); } } Returnjoin ("", $ ar ); } ?>

This article describes how to use PHP to implement the escape and unescape function code in Javascript. This article provides two implementation versions...