Microsoft Word - Core PHP Programming Using PHP to Build Dynamic Web Sites

The die statement is similar to exit, except that it may be followed by an expression that will be sent to the browser just befo ...

Chapter 4. FUNCTIONS Declaring a Function....................................................................................... ...

Listing 4.1 A Simple Function The return Statement At some point a function will be finished, ready to return control to its cal ...

If you follow return with an expression, the value of the expression will be passed back. Listing 4.2 demonstrates this idea by ...

This is commonly referred to as a variable reference. Changes made to referenced variables change the original. To demonstrate t ...

print("<FONT COLOR=\"$Color\">$Text"); } printColored("This is black text"); print("\n"); printColored("This is blue text" ...

array to the function, which in turn would pull the items out of the array. Alternatively, you could write a function that accep ...

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Dynamic Function Calls You might find yourself in the position of not knowing which function should be called when you are writi ...

Chapter 5. ARRAYS Single-Dimensional Arrays............................................................................. Indexin ...

Indexing Arrays So far we've only seen arrays indexed by integers, but it is also permissible to use strings. Sometimes these ar ...

Since we aren't indexing the array with integers, we can't just pull out each value starting at zero. If you've turned ahead bri ...

Initializing Arrays In the situations where you want to fill an array with several values before you use it, it can become cumbe ...

Listing 5.4 Initializing an Array <? $monthName = array(1=>"January", "February", "March", "April", "May", "June", "July", ...

Listing 5.6 Creating and Referencing a Multidimensional Array <? $Cities = array( "California"=>array( "Martinez", "San Fr ...

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Referencing Arrays Inside Strings As you know from Chapter 2, you may place a variable inside a string using double quotes. The ...

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