PHP-функция: defineСписок php-функций

javascript:

define = (function(){	// Определяет именованную константу
	// 
	// +   original by: Andrea Giammarchi (http://webreflection.blogspot.com)

	function toString(name, value){
		return  "const " + name + "=" + (
			/^(null|true|false|(\+|\-)?\d+(\.\d+)?)$/.test(value = String(value)) ? value : '"' + replace(value) + '"'
		)
	};
	var define, replace;
	try{
		eval("const e=1");
		replace = function(value){
			var replace = {"\x08":"b","\x0A":"\\n","\x0B":"v","\x0C":"f","\x0D":"\\r",'"':'"',"\\":"\\"};
			return  value.replace(/\x08|[\x0A-\x0D]|"|\\/g, function(value){return  "\\"+replace[value]})
		};
		define = function(name, value){
			var script = document.createElement("script");
			script.type = "text/javascript";
			script.appendChild(document.createTextNode(toString(name, value)));
			document.documentElement.appendChild(script);
			document.documentElement.removeChild(script);
		}
	}
	catch(e){
		replace = function(value){
			var replace = {"\x0A":"\\n", "\x0D":"\\r"};
			return  value.replace(/"/g, '""').replace(/\n|\r/g, function(value){return replace[value]})
		};
		define = this.execScript ?
		function(name, value){
			execScript(toString(name, value), "VBScript");
		}:
		function(name, value){
			eval(toString(name, value).substring(6));
		}
	};
	return  define;
})();

//Примеры:

alert ( define('AUTHOR_NAME', 'Andrea Giammarchi') );