Defining and Calling a two-argument function, : Parameters « Functions « PHP

Defining and Calling a two-argument function,

function page_header4($color, $title) {
    print '<html><head><title>Welcome to ' . $title . '</title></head>';
    print '<body bgcolor="#' . $color . '">';
//Multiple optional arguments

page_header4('66cc66','my homepage');

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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.Function Arguments
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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