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);
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);
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