PHP/Functions/func num args

Accessing function parameters without using the argument list

   <source lang="html4strict">

<? function mean() {

   $sum = 0;
   $size = func_num_args();
   for ($i = 0; $i < $size; $i++) {
       $sum += func_get_arg($i);
   }
   $average = $sum / $size;
   return $average;

} $mean = mean(96, 93, 97); ?>

 </source>
   
  

Get parameter count from func_num_args ()

   <source lang="html4strict">

<? function addNums() {

$ret = ""; for ($x=0; $x<func_num_args (); $x++) { $arg = func_get_arg ($x); $result += $arg; $ret .= "";

   }

$ret .= ""; $ret .= "

number ". ($x+1).":	$arg
result:	$result

";

   return $ret;

} print addNums (49, 60, 44, 22, 55); ?>

 </source>
   
  

Variable Parameter Counts

   <source lang="html4strict">

function some_func($a, $b) {

           for ($i = 0; $i < func_num_args( ); ++$i) {
                   $param = func_get_arg($i);
                   echo "Received parameter $param.\n";
           }
   }
   function some_other_func($a, $b) {
           $param = func_get_args( );
           $param = join(", ", $param);
           echo "Received parameters: $param.\n";
   }
   some_func(1,2,3,4,5,6,7,8);
   some_other_func(1,2,3,4,5,6,7,8);
 
 </source>