比如说http://echarts.baidu.com/demo...这个例子中，一般里面的timeData数组都是数据库的所有记录的单独某一个列的集合，而例子中第149行的

data:[
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则又为另一个列的所有值的集合，那么这种情况下php后端如何优雅的把这些数据传递给前端js代码？
我只知道用implode通过逗号拼接起来，请问还有其他更加优雅的写法吗？