How to use PHP function to pass variable parameters

In PHP, you can use the "func_get_args()" function to pass an indefinite number of parameters. The syntax of this function is "func_get_args (void): array". The return value is to return an array, in which each element is A copy of the corresponding element of the current user-defined function's parameter list.

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If you want to pass an indefinite number of parameters, you need to use func_get_args() Function to pass

func_num_args() function to return the total number of parameters

<?php
	function more_args(){
		$args = func_get_args();
		for($i=0;$i<func_num_args();$i++){
			$a = $i +1;
			echo "第".$a."个参数是".$args[$i]."<br>";
		}
	}
	more_args(&#39;a&#39;,&#39;b&#39;,&#39;c&#39;,&#39;d&#39;,&#39;e&#39;,&#39;f&#39;);
?>

Execution results

##Related introduction:

func_get_args — Returns an array containing the function parameter list

Description

func_get_args ( void ) : array

Gets the array of function parameter list.

This function can be used together with func_get_arg() and func_num_args(), so that the user-defined function can accept a custom number of parameter lists.

Return value

Returns an array, each element of which is a copy of the corresponding element of the parameter list of the current user-defined function.

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