PHP and MySQL Web Development - P129 pptx

... 1/24/03 2:56 PM Page 615 612 Chapter 27 Building a Web- Based Email Service case 'show-headers' : case 'hide-headers' : case 'view-message' : { // if we have just picked ... func- tion is shown in Listing 27.12. Listing 27.11 Continued 33 525x ch27 1/24/03 2:56 PM Page 616 615 Reading Mail As you probably noticed, the event handling for view-message covers show-...

Ngày tải lên: 07/07/2014, 03:20

... E-commerce and Security 12 Running an E-commerce Site 261 13 E-commerce Security Issues 273 14 Implementing Authentication with PHP and MySQL 293 15 Implementing Secure Transactions with PHP and MySQL ... Using MySQL 7 Designing Your Web Database 169 8 Creating Your Web Database 181 9 Working with Your MySQL Database 203 10 Accessing Your MySQL Database from the Web...

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... xxxiv Introduction WELCOME TO PHP AND MYSQL W EB DEVELOPMENT .Within its pages, you will find distilled knowledge from our experiences using PHP and MySQL, two of the hottest Web development tools around. In ... author of numerous articles about Linux, Apache, PHP, and MySQL. He has worked for compa- nies such as GE and Procter & Gamble with mainly Unix-based comput...

Ngày tải lên: 07/07/2014, 03:20

... discuss aspects of electronic commerce and security as they relate to building a real-world Web site, and show you how to implement these aspects in PHP and MySQL. In the final section of this book, ... for the Web. Within an HTML page, you can embed PHP code that will be executed each time the page is vis- ited.Your PHP code is interpreted at the Web server and generates...

Ngày tải lên: 07/07/2014, 03:20

... Page 30 31 Operators Pre- and Post-Increment and Decrement The pre- and post- increment (++) and decrement ( ) operators are similar to the += and -= operators, but with a couple of twists. All ... $b -= $a -= $b $a = $a - $b *= $a *= $b $a = $a * $b /= $a /= $b $a = $a / $b %= $a %= $b $a = $a % $b .= $a .= $b $a = $a . $b 03 525x ch01 1/24/03 3:40 PM Page 30 31 Operat...

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... is between 0 and 100. We would need to test the conditions $a >= 0 and $a <= 100, using the AND opera- tor, as follows $a >= 0 && $a <=100 PHP supports logical AND, OR, XOR ... versa && AND $a && $b Returns true if both $a and $b are true; oth- erwise false || OR $a || $b Returns true if either $a or $b or both are true; otherwise false and...

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... feedback and sends the mail to the appro- priate person. If, for example, the customer feedback reads “I still haven’t received deliv- ery of my last order,” the string “delivery” will be detected and ... work in PHP 4—in earlier versions you can test for false by testing the return value to see if it is a string (that is, false). Replacing Substrings: str_replace(), substr_replace() Fi...

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... Code and Writing Functions p {color:black; font-size:12pt; text-align:justify; font-family:arial,sans-serif} p.foot {color:white; font-size:9pt; text-align:center; font-family:arial,sans-serif; ... {color:white; font-size:12pt; text-align:center; font-family:arial,sans-serif; font-weight:bold} td {background:black} p {color:black; font-size:12pt; text-align:justify; font-family:arial,sans-s...

Ngày tải lên: 07/07/2014, 03:20

... way.The function phpinfo() is often useful in testing because it displays the installed version of PHP, information about PHP, the Web server set-up, and the values of various PHP and server variables.This ... of PHP. Using Functions in PHP Functions exist in most programming languages.They are used to separate code that per- forms a single, well-defined task.This makes the cod...

Ngày tải lên: 07/07/2014, 03:20

... cannot have the same name as any built-in function or an existing user-defined function. Note that although every PHP script knows about all the built-in functions, user-defined functions only exist ... elsewhere in a PHP script including function calls, declarations of new variables or functions, require() or include() statements, and plain HTML. If we want to exit PHP within a funct...

Ngày tải lên: 07/07/2014, 03:20