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function aggregate_properties (obj, class_name) {
    // !No description available for aggregate_properties. @php.js developers: Please update the function summary text file.
    // 
    // version: 1109.2015
    // discuss at: http://phpjs.org/functions/aggregate_properties    // +   original by: Brett Zamir (http://brett-zamir.me)
    // %          note 1: We can't copy instance properties, as those require instantiation (with potential side-effects when called)
    // %          note 1: We've chosen not to assign to or create a prototype object on the destination object even if the original object had the properties on its prototype
    // *     example 1: var A = function () {};
    // *     example 1: A.prototype.prop = 10;    // *     example 1: var b = {};
    // *     example 1: aggregate_properties(b, 'A');
    // *     returns 1: undefined
    var p = '',
        record = {},        pos = -1,
        indexOf = function (value) {
            for (var i = 0, length = this.length; i < length; i++) {
                if (this[i] === value) {
                    return i;                }
            }
            return -1;
        };
     if (typeof class_name === 'string') { // PHP behavior
        class_name = this.window[class_name];
    }
 
    // BEGIN REDUNDANT    this.php_js = this.php_js || {};
    this.php_js.aggregateKeys = this.php_js.aggregateKeys || [];
    this.php_js.aggregateRecords = this.php_js.aggregateRecords || []; // Needed to allow deaggregate() and aggregate_info()
    this.php_js.aggregateClasses = this.php_js.aggregateClasses || [];
    var getFuncName = function (fn) {        var name = (/\W*function\s+([\w\$]+)\s*\(/).exec(fn);
        if (!name) {
            return '(Anonymous)';
        }
        return name[1];    };
    // END REDUNDANT
    this.php_js.aggregateClasses.push(getFuncName(class_name));
 
    for (p in class_name) {        if (!(p in obj) && typeof class_name[p] !== 'function' && p[0] !== '_') { // Static (non-private) class properties
            obj[p] = class_name[p];
            record[p] = class_name[p];
        }
    }    for (p in class_name.prototype) {
        if (!(p in obj) && typeof class_name.prototype[p] !== 'function' && p[0] !== '_') { // Prototype (non-private) default properties
            obj[p] = class_name.prototype[p];
            record[p] = class_name.prototype[p];
        }    }
    if (!this.php_js.aggregateKeys.indexOf) {
        this.php_js.aggregateKeys.indexOf = indexOf;
    }
    pos = this.php_js.aggregateKeys.indexOf(obj);    if (pos !== -1) {
        this.php_js.aggregateRecords[pos].push(record);
        this.php_js.aggregateClasses[pos].push(getFuncName(class_name));
    } else {
        this.php_js.aggregateKeys.push(obj);        this.php_js.aggregateRecords.push([record]);
        this.php_js.aggregateClasses[0] = [];
        this.php_js.aggregateClasses[0].push(getFuncName(class_name));
    }
}

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var A = function () {};
A.prototype.prop = 10;
var b = {};
aggregate_properties(b, 'A');

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undefined