<?php function hello($param1,$param2,...){ echo 'function name is:'. __FUNCTION__; // get function itself name // how to get how many parameters in these function , echo '<br>has ? parameters';}hello();
我想自动获取自定义函数的名称,及其传入多少个参数,怎么获取?
回复讨论(解决方案)
function hello(){ echo 'function name is:'. __FUNCTION__; // get function itself name // how to get how many parameters in these function , echo '<br>has '.func_num_args().' parameters<br>'; $params = func_get_args(); foreach($params as $param){ echo $param.'<br>'; }}hello(1,2,3);
1#正解。。。。
func_num_args() 返回实际传入的参数个数
func_get_args() 返回实际传入的参数值数组
注意实际参数与定义参数的区别

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