print_r For Actionscript3

gistfile1.as

package com.jacksonkr.utils {
    /**
     * mimics the php print_r function
     * jacksonkr.com <rollins.jackson@gmail.com>
     */
    public
    function print_r(obj: * ,
    lvl: int = 0): String {
        var str: String = '';
        var sp = space(lvl);
        var i: * ;

        if (obj is String) return obj.toString();
        if (obj is XML) return obj.toString();

        var op: String = '{}';
        // mark the type of object
        if ((obj is Array) || obj.length) {
            str = 'Array';
            op = '[]';
        } else if (obj is Object) {
            str = 'Object';
        }
        str += '\n' + sp + op.charAt(0);

        for (i in obj) {
            str += '\n' + space(lvl + 1) + '[' + i + '] => ';
            try {
                str += print_r(obj[i], lvl + 1);
            } catch (e: Error) {
                str += obj[i].toString();
            }
        }

        str += '\n' + sp + op.charAt(1);

        if (lvl == 0) trace(str);
        return str;
    }
}

function space(lvl: int): String {
    if (lvl < 0) lvl = 0;

    var ret: String = '';
    for (var i: int = 0;i < lvl;++i) {
        ret += '    ';
    }

    return ret;
}