func_num_args() returns the number of parameters passed to the function
func_get_arg($arg_num) gets the parameter value at the specified position, $arg_num position index starts from 0 and is n-1.
func_get_args() returns an array containing all parameters
http://www.bkjia.com/PHPjc/320545.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/320545.htmlTechArticlefunc_num_args() Returns the number of parameters passed to the function func_get_arg($arg_num) Gets the parameter value at the specified position, $arg_num position index starts from 0 n-1. func_get_args() returns all parameters...