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php 获取可变函数参数的函数_PHP

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Release： 2016-06-01 12:22:36
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func_num_args() 返回传递给该函数参数的个数

func_get_arg($arg_num) 取得指定位置的参数值，$arg_num位置index从0开始n-1。

func_get_args() 返回包含所有参数的数组

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可变函数
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