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    <p>Here's the unserialize and utf8 code if you want it too, originally derived from <a href="http://phpjs.org" rel="nofollow">phpjs.org</a> - had to edit it a bit to make it work with node.js so fish around and compare if you want</p> <pre><code>function utf8_decode (str_data) { // http://kevin.vanzonneveld.net // + original by: Webtoolkit.info (http://www.webtoolkit.info/) // + input by: Aman Gupta // + improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net) // + improved by: Norman "zEh" Fuchs // + bugfixed by: hitwork // + bugfixed by: Onno Marsman // + input by: Brett Zamir (http://brett-zamir.me) // + bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net) // * example 1: utf8_decode('Kevin van Zonneveld'); // * returns 1: 'Kevin van Zonneveld' var tmp_arr = [], i = 0, ac = 0, c1 = 0, c2 = 0, c3 = 0; str_data += ''; while (i &lt; str_data.length) { c1 = str_data.charCodeAt(i); if (c1 &lt; 128) { tmp_arr[ac++] = String.fromCharCode(c1); i++; } else if (c1 &gt; 191 &amp;&amp; c1 &lt; 224) { c2 = str_data.charCodeAt(i + 1); tmp_arr[ac++] = String.fromCharCode(((c1 &amp; 31) &lt;&lt; 6) | (c2 &amp; 63)); i += 2; } else { c2 = str_data.charCodeAt(i + 1); c3 = str_data.charCodeAt(i + 2); tmp_arr[ac++] = String.fromCharCode(((c1 &amp; 15) &lt;&lt; 12) | ((c2 &amp; 63) &lt;&lt; 6) | (c3 &amp; 63)); i += 3; } } return tmp_arr.join(''); } exports.utf8_decode = utf8_decode; function unserialize (data) { // http://kevin.vanzonneveld.net // + original by: Arpad Ray (mailto:arpad@php.net) // + improved by: Pedro Tainha (http://www.pedrotainha.com) // + bugfixed by: dptr1988 // + revised by: d3x // + improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net) // + input by: Brett Zamir (http://brett-zamir.me) // + improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net) // + improved by: Chris // + improved by: James // + input by: Martin (http://www.erlenwiese.de/) // + bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net) // + improved by: Le Torbi // + input by: kilops // + bugfixed by: Brett Zamir (http://brett-zamir.me) // - depends on: utf8_decode // % note: We feel the main purpose of this function should be to ease the transport of data between php &amp; js // % note: Aiming for PHP-compatibility, we have to translate objects to arrays // * example 1: unserialize('a:3:{i:0;s:5:"Kevin";i:1;s:3:"van";i:2;s:9:"Zonneveld";}'); // * returns 1: ['Kevin', 'van', 'Zonneveld'] // * example 2: unserialize('a:3:{s:9:"firstName";s:5:"Kevin";s:7:"midName";s:3:"van";s:7:"surName";s:9:"Zonneveld";}'); // * returns 2: {firstName: 'Kevin', midName: 'van', surName: 'Zonneveld'} var that = this; var utf8Overhead = function (chr) { // http://phpjs.org/functions/unserialize:571#comment_95906 var code = chr.charCodeAt(0); if (code &lt; 0x0080) { return 0; } if (code &lt; 0x0800) { return 1; } return 2; }; var error = function (type, msg, filename, line) { console.log('[[[[[[[[[[[[[[[[[[ERROR]]]]]]]]]]]]]]]]]]]','msg:', msg, 'filename:',filename, 'line:',line); }; var read_until = function (data, offset, stopchr) { if (stopchr == ';' &amp;&amp; !data.match(/;$/)) data += ';'; var buf = []; var chr = data.slice(offset, offset + 1); var i = 2; while (chr != stopchr) { if ((i + offset) &gt; data.length) { error('Error', 'Invalid','php.js','126'); } buf.push(chr); chr = data.slice(offset + (i - 1), offset + i); i += 1; //console.log('i:',i,'offset:',offset, 'data:',data,'chr:',chr,'stopchr:',stopchr); } return [buf.length, buf.join('')]; }; var read_chrs = function (data, offset, length) { var buf; buf = []; for (var i = 0; i &lt; length; i++) { var chr = data.slice(offset + (i - 1), offset + i); buf.push(chr); length -= utf8Overhead(chr); } return [buf.length, buf.join('')]; }; var _unserialize = function (data, offset) { var readdata; var readData; var chrs = 0; var ccount; var stringlength; var keyandchrs; var keys; if (!offset) { offset = 0; } var dtype = (data.slice(offset, offset + 1)).toLowerCase(); var dataoffset = offset + 2; var typeconvert = function (x) { return x; }; switch (dtype) { case 'i': typeconvert = function (x) { return parseInt(x, 10); }; readData = read_until(data, dataoffset, ';'); chrs = readData[0]; readdata = readData[1]; dataoffset += chrs + 1; break; case 'b': typeconvert = function (x) { return parseInt(x, 10) !== 0; }; readData = read_until(data, dataoffset, ';'); chrs = readData[0]; readdata = readData[1]; dataoffset += chrs + 1; break; case 'd': typeconvert = function (x) { return parseFloat(x); }; readData = read_until(data, dataoffset, ';'); chrs = readData[0]; readdata = readData[1]; dataoffset += chrs + 1; break; case 'n': readdata = null; break; case 's': ccount = read_until(data, dataoffset, ':'); chrs = ccount[0]; stringlength = ccount[1]; dataoffset += chrs + 2; readData = read_chrs(data, dataoffset + 1, parseInt(stringlength, 10)); chrs = readData[0]; readdata = readData[1]; dataoffset += chrs + 2; if (chrs != parseInt(stringlength, 10) &amp;&amp; chrs != readdata.length) { error('SyntaxError', 'String length mismatch','php.js','206'); } // Length was calculated on an utf-8 encoded string // so wait with decoding readdata = utf8_decode(readdata); break; case 'a': readdata = {}; keyandchrs = read_until(data, dataoffset, ':'); chrs = keyandchrs[0]; keys = keyandchrs[1]; dataoffset += chrs + 2; for (var i = 0; i &lt; parseInt(keys, 10); i++) { var kprops = _unserialize(data, dataoffset); var kchrs = kprops[1]; var key = kprops[2]; dataoffset += kchrs; var vprops = _unserialize(data, dataoffset); var vchrs = vprops[1]; var value = vprops[2]; dataoffset += vchrs; readdata[key] = value; } dataoffset += 1; break; default: error('SyntaxError', 'Unknown / Unhandled data type(s): ' + dtype,'php.js','238'); break; } return [dtype, dataoffset - offset, typeconvert(readdata)]; }; return _unserialize((data + ''), 0)[2]; } exports.unserialize = unserialize; </code></pre>
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