Function with default parameters : Parameters « Functions « PHP

Function with default parameters

  <TITLE> Printing text on a Web Page</TITLE>
  function textonweb ($content, $fontsize=3){
     echo "<FONT SIZE=$fontsize>$content</FONT>";
  textonweb ("A <BR>", 7);
  textonweb ("AA.<BR>");
  textonweb ("AAA. <BR>");
  textonweb ("AAAA! <BR>");


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3.Declaring a Function with Arguments
4.Passing Variables as a Reference to the Argument of a Function
5.Passing an Argument to a Function by Value
6.Using a Function Call to Pass an Argument to a Function by Reference
7.Declaring a Function That Requires Arguments
8.Function with an Optional Argument
9.A Function with an Optional Argument
10.Accessing Function Parameters
11.All optional arguments
12.Capturing a return value
13.Changing argument values
14.Defining and Calling a two-argument function,
15.Function Arguments
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