<code lang="JavaScript">
Object.extend(Object,{
	toPHP: function(object) {
		var type = typeof object;
		switch (type) {
			case 'undefined':
			case 'function':
			case 'unknown': return 'N;';
			case 'boolean': return 'b:'+(object?'1':'0')+';';
		}
		if (object === null) return 'N;';
		if (object.toPHP) return object.toPHP();
		if (Object.isElement(object)) return null;
		var ret = [];
		for (var property in object) {
			var value = Object.toPHP(object[property]);
			if (value !== undefined)
				ret.push(property.toString().toPHP() + value);
		}
		return 'a:'+ret.length+':{'+ ret.join('')+'}';
	}
});
Date.prototype.toPHP = function() {
  return 'i:'+this.getTime()+';';
};
Object.extend(String.prototype,{
	toPHP: function () {
		var s=this.escapeUTF();
		return 's:'+s.length+':"'+s+'";';
	},
	escapeUTF: function  () {
		var charCode,ret = '';
		for (i=0; i<this.length; i++) {
			charCode = this.charCodeAt(i);
			ret+=((charCode <= 127) && (charCode >=32))?
				this.charAt(i):
				('&#x' + charCode.toString(16).toUpperCase() + ';');
		}
		return ret; 
	}
});
Array.prototype.toPHP = function () {
	var ret=[];
	this.each(function (v,i) {
		ret.push(i.toPHP()+(!!v.toPHP?v.toPHP():Object.toPHP(v)));
	});
	return 'a:'+ret.length+':{'+ret.join('')+'}';
}
Number.prototype.toPHP = function () {
	return (parseInt(this)==parseFloat(this)?'i':'d')+':'+this.toString()+';';
}
</code>