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function array_push ( inputArr ) {
    // Pushes elements onto the end of the array  
    // 
    // version: 1008.1718
    // discuss at: http://phpjs.org/functions/array_push    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: Brett Zamir (http://brett-zamir.me)
    // %        note 1: Note also that IE retains information about property position even
    // %        note 1: after being supposedly deleted, so if you delete properties and then
    // %        note 1: add back properties with the same keys (including numeric) that had    // %        note 1: been deleted, the order will be as before; thus, this function is not
    // %        note 1: really recommended with associative arrays (objects) in IE environments
    // *     example 1: array_push(['kevin','van'], 'zonneveld');
    // *     returns 1: 3
    var i=0, pr = '', argv = arguments, argc = argv.length,            allDigits = /^\d$/, size = 0, highestIdx = 0, len = 0;
    if (inputArr.hasOwnProperty('length')) {
        for (i=1; i < argc; i++){
            inputArr[inputArr.length] = argv[i];
        }        return inputArr.length;
    }
    
    // Associative (object)
    for (pr in inputArr) {        if (inputArr.hasOwnProperty(pr)) {
            ++len;
            if (pr.search(allDigits) !== -1) {
                size = parseInt(pr, 10);
                highestIdx = size > highestIdx ? size : highestIdx;            }
        }
    }
    for (i=1; i < argc; i++){
        inputArr[++highestIdx] = argv[i];    }
    return len + i - 1;
}

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array_push(['kevin','van'], 'zonneveld');

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