Titlebook: Beginning PHP and MySQL; From Novice to Profe W. Jason Gilmore Book 20083rd edition Apress 2008 MySQL.Open Source.PHP.SQL.Web Services.lang

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Functions,oric intake. However, as these tasks grow increasingly complex, you’ll often find they comprise other often repetitive tasks. For example, an e-commerce application might need to validate an e-mail address on several different pages, such as when a new user registers to use a Web site, when somebody

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Euphonious

廢止

Error and Exception Handling,. Some of these errors are programmer-induced—they are the result of mistakes made during the development process. Others are user-induced, caused by the end user’s unwillingness or inability to conform to application constraints. For example, the user might enter . when asked for an e-mail address,

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PEAR, the most effective means for finding and reusing solid PHP code. Inspired by Perl’s wildly popular CPAN (Comprehensive Perl Archive Network), the PEAR project was started in 1999 by noted PHP developer Stig Bakken, with the first stable release bundled with PHP version 4.3.0

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Date and Time,ular basis. When was a tutorial published? Is the pricing information for a particular product recent? What time did the office assistant log into the accounting system? At what hour of the day does the corporate Web site see the most visitor traffic? These and countless other time-oriented question

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Authenticating Your Users,ite customization features based on user preferences and type. Typically, users are prompted for a username and password, the combination of which forms a unique identifying value for that user. In this chapter, you’ll learn how to prompt for and validate this information, using PHP’s built-in authe