Creating Functions That Take a Variable Number of Arguments : Parameters « Functions « PHP






Creating Functions That Take a Variable Number of Arguments

 
<?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) . "<br />"; 
?>
  
  








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5.Passing Variables as a Reference to the Argument of a Function
6.Passing an Argument to a Function by Value
7.Using a Function Call to Pass an Argument to a Function by Reference
8.Declaring a Function That Requires Arguments
9.Function with an Optional Argument
10.A Function with an Optional Argument
11.Accessing Function Parameters
12.All optional arguments
13.Capturing a return value
14.Changing argument values
15.Defining and Calling a two-argument function,
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17.Function with two parameters
18.Creating a capitalize function with a default parameter $each
19.Default Parameters
20.Define whether a variable is passed by value or reference
21.Passing By Reference
22.Making arguments be passed by reference
23.Using Optional Parameters