PHP defines a variable number of function usage Instances _php Tutorial

PHP defines a variable number of function usage instances

This article mainly introduced the PHP definition parameter quantity variable function usage, the example analysis Func_get_args's use skill, has the certain reference value, the need friend can refer to the next

In this article, we describe a variable number of function usages for PHP-defined parameters. Share to everyone for your reference. The specific analysis is as follows:

The function parameters in PHP can be fixed, even without defining parameters, using the Func_get_args () function inside the function to obtain the parameter list, call can be used to specify arbitrary parameters for the function, very convenient

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function addanything () { $total = 0; $args = Func_get_args (); for ($i = 0; $i < count ($args); $i + +) { if (Is_int ($args [$i])) { $total + = $args [$i]; } } return $total; } echo addanything (1,5,7,8,11). " "; ?>

I hope this article is helpful to everyone's PHP programming.

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