A Programmer’s Introduction to PHP 4 0 phần 2 ppsx

... ends. Variables and Data Types 43 Gilmore _ 02 12 /4/ 00 1: 04 PM Page 43 Variable Variables On occasion it is useful to make use of variables whose contents can be treated dynamically as a variable ... complexity. Gilmore _03 12 /4/ 00 1: 04 PM Page 68 Global Variables In contrast to local variables, a global variable can be accessed in any part of the program. However, in...

Ngày tải lên: 09/08/2014, 12:22

... listing: Chapter 1 28 Gilmore _01 12/ 5 /00 10: 22 AM Page 28 Part 1 The Basics Gilmore _01 12/ 5 /00 10: 22 AM Page 1 Today, PHP is extremely feature rich.We rely on it for just about every cus- tom web ... that you need to make: [(H2L)] 18 Gilmore _01 12/ 5 /00 10: 22 AM Page 18 A Programmer’s Introduction to PHP 4. 0 W. J. Gilmore Gilmore _00 FM 12/ 5 /00 2: 19 PM...

Ngày tải lên: 09/08/2014, 12:22

... real taste of data storage, paving the way to more content-oriented and ultimately interesting ap- plications. Chapter 4 92 Gilmore_ 04 12 /4/ 00 1: 04 PM Page 92 // $great_labels = array ("Australia", ... returned value is associated with the keys 1 and value. Chapter 5 1 04 Gilmore _05 12/ 5 /00 10: 23 AM Page 1 04 A call to a variable function is nothing more...

Ngày tải lên: 09/08/2014, 12:22

... 6-5. Chapter 6 1 32 NOTE Keep in mind that although a class can inherit characteristics from a chain of parents, the parents’ constructors are not called automatically when you instantiate an object ... conversion, particularly when you have a large group of HTML files similarly formatted. Chapter 7 1 52 Gilmore _07 12 /4/ 00 1 :06 PM Page 1 52 Here’s how you would parse out the bas...

Ngày tải lên: 09/08/2014, 12:22

... Linking Just as a link can be used to direct a user to an HTML page, it can be used to lead to a PHP- enabled page, as shown here: < ;a href = "date .php& quot;>View today's date< /a& gt; 21 3 Gilmore _09 ... POSIX section. Metacharacters Another cool thing you can do with Perl regexps is use various metacharacters to search for matches. A metacharacter...

Ngày tải lên: 09/08/2014, 12:22

... build make use of database information to display content, there are always a few pages that aren’t going to change much. PHP and Dynamic Site Development 22 5 Gilmore _09 12 /4/ 00 1 :07 PM Page 22 5 <td ... the email address is of valid syntax if (! @eregi('^ [0- 9a- z]+'. '@'. '( [0- 9a- z-]+\.)+'. '( [0- 9a- z]) {2 ,4} $', $email)) :...

Ngày tải lên: 09/08/2014, 12:22

... following table would be shown: Order ID Customer ID Product ID Quantity 100 005 20 0 0cu 100 2pr 11 100 0 04 20 0 2cu 100 0pr 9 100 003 20 0 0cu 100 0pr 12 100 0 02 20 0 3cu 100 1pr 5 100 001 20 0 1cu 100 2pr 3 As you can ... 100 2pr 11 100 0 04 20 0 2cu 100 0pr 9 100 0 02 20 0 3cu 100 1pr 5 100 001 20 0 1cu 100 2pr 3 Notice that there are four links shown as table headers. Since Q...

Ngày tải lên: 09/08/2014, 12:22

... href="index .php? letter=e">E< /a& gt; | < ;a href="index .php? letter=f">F< /a& gt; | Chapter 12 3 12 Gilmore_ 12 12 /4/ 00 1 :08 PM Page 3 12 Gilmore_ 12 12 /4/ 00 1 :08 PM Page 3 20 A second point to make about Listing ... for a storage media would be a database, since this also facilitates useful features such as searching and ordering...

Ngày tải lên: 09/08/2014, 12:22

... 12/ 5 /00 10: 25 AM Page 373 function defaultHandler(int parser, string data) { … } The input parameter parser refers to the XML parser handler, and data to the character data that will be handled ... 12/ 5 /00 10: 26 AM Page 397 Gilmore_ 14 12/ 5 /00 10: 25 AM Page 3 90 Internal Entities Internal entities are used much like string variables are, correlating a name with a piece o...

Ngày tải lên: 09/08/2014, 12:22

... The configuration file is entitled php3 .ini in the 3 .0 version but has been changed to php. ini in the 4. 0 version. Gilmore _01 12/ 5 /00 10: 22 AM Page 20 Gilmore _01 12/ 5 /00 10: 22 AM Page 2 • Efficiency • ... otherwise, make it a habit to always do so. track_vars Chapter 1 22 Gilmore _01 12/ 5 /00 10: 22 AM Page 22 Chapter 7, “File I/O and the File System,” delves...

Ngày tải lên: 27/06/2014, 08:20