PHP defines a variable number of function usages instance, php instance _php tutorial

PHP defines a variable number of function usage instances, PHP instance

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

<?php 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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