Code sharing of PHP implementation of escape and unescape functions 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 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 ..

<? Phpclasscoding {// simulate functions of the javascript escape and UNESCAPE functions functionunescape SCAPE ($ 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) {// minutes -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) {// multi-byte 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

<? Phpfunctionphpescape ($ 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 SCAPE ($ 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,) = "% 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) ;}?>

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