Function Arguments : Parameters « Functions « PHP






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  2. Functions
  3. Parameters

Function Arguments

 
<?php 

  function addup( $a = 32, $b = 32, $c = 32)
  {
    $total = $a + $b + $c;
    echo("$a + $b + $c = $total");

  }

?>
 
<html>
 <head>
  <title>Function Arguments</title>
 </head>
 <body>

  <h3> <?php addup(8, 16, 24); ?> </h3>

  <h3> <?php addup(8, 16); ?> </h3>

 </body>
</html>








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3.Declaring a Function with Arguments
4.Function with default parameters
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,
16.Function with two parameters
17.Creating Functions That Take a Variable Number of Arguments
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