A Programmer’s Introduction to PHP 4 0 phần 3 ppt

... 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 than a variable name followed by a set of parentheses. ... array) array_walk() The array_walk() function provides an easy way to apply a function to several or all elements in an array. Its syntax is: int array_walk(a...

Ngày tải lên: 09/08/2014, 12:22

... following table would be shown: Order ID Customer ID Product ID Quantity 100 005 200 0cu 100 2pr 11 100 0 04 200 2cu 100 0pr 9 100 0 03 200 0cu 100 0pr 12 100 002 200 3cu 100 1pr 5 100 001 200 1cu 100 2pr 3 As you can ... 100 2pr 11 100 0 04 200 2cu 100 0pr 9 100 002 200 3cu 100 1pr 5 100 001 200 1cu 100 2pr 3 Notice that there are four links shown as table headers. Since Quanti...

Ngày tải lên: 09/08/2014, 12:22

... 12/5 /00 10: 25 AM Page 37 3 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 ... parts of that document should be formatted. For example, you may want a particular word to be boldfaced and another italicized. You may wish to use a particular font for one paragra...

Ngày tải lên: 09/08/2014, 12:22

... /apache_1 .3. x —with-config-file-path=[config-path] make make install An Introduction to PHP 13 Gilmore _01 12/5 /00 10: 22 AM Page 13

Ngày tải lên: 09/08/2014, 12:22

... 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 ... strings, arrays, objects, booleans) • Identifiers Variables and Data Types 53 Gilmore _02 12 /4/ 00 1: 04 PM Page 53 Table 3- 10. Bitwise Operators EXAMPLE LABEL OUTCOME $a &a...

Ngày tải lên: 09/08/2014, 12:22

... 6-5. Chapter 6 132 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 ... and instead will just act as the base for a derived class. This kind of class is known as an ab- stract class. An abstract class is useful when a program designer wants to ensure th...

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; 2 13 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

... querying: SQL can retrieve data in the database and present it in an easily readable format. • Data manipulation: SQL can insert, update, and delete database data. • Data access control: SQL makes it ... the email address is of valid syntax if (! @eregi('^ [0- 9a- z]+'. '@'. '( [0- 9a- z-]+\.)+'. '( [0- 9a- z]){2 ,4} $', $email)) : Forms 249 Gilmore_...

Ngày tải lên: 09/08/2014, 12:22

... for a storage media would be a database, since this also facilitates useful features such as searching and ordering data. I’ll use a MySQL database to store the address information. The table ... are created and assigned values, and then all of this information is encoded using session_encode() and inserted into a MySQL database. Chapter 13 338 Gilmore_ 13 12 /4/ 00 1 :09 PM Pag...

Ngày tải lên: 09/08/2014, 12:22

... Start the Apache server using the following command: ./bin/apachectl start Voilà! PHP and Apache are now ready for use. Chapter 1 16 Gilmore _01 12/5 /00 10: 22 AM Page 16 Gilmore _00 FM 12/5 /00 ... details. NOTE 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...

Ngày tải lên: 27/06/2014, 08:20