By Allan Kent
PEAR, the personal home page Extension and alertness Repository, is a bountiful source for any Hypertext Preprocessor developer. inside its confines lie the instruments you should do your activity extra speedy and successfully. try to be capable of fast check and make certain which PEAR package deal is the proper one for the duty you're up opposed to. then you definitely want to know the API and notice a few examples of the way to top use it. Foundations of PEAR is your one cease for finding the PEAR package deal you wish. Authors Nathan Good and Allan Kent have rigorously chosen the main worthy and commonly used applications for this book.
Each package deal is damaged down logically via functionality, and every one is roofed intimately. The e-book provides each one package deal in a fashion which will leap fast to the major goods you must enforce an answer. The authors remember the fact that you must see the programs in actioneach appearing in real-world purposes. So they’ve integrated 4 initiatives within the booklet that every use a mixture of PEAR programs of their implementations. as soon as you’re armed with the data during this e-book, you’ll be set to take your personal home page improvement to a brand new level.
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Examples A Simple Preference Set and Retrieve To show off a simple preference setting, the example in Listing 8 loads the logged-in user’s nickname and displays it to the user in a friendly message. ■Note Before using the Auth_PrefManager package, you need to set up a database table for storing the preferences. net site to make sure it’s up to date. Listing 8. fm Page 36 Thursday, October 26, 2006 8:44 AM 36 ■ AUTHENTICATION /* SQL that must be run to create the preference table in * the database.
We’ve avoided calling them out because the package status could change quickly, thus making the book out of date. fm Page 8 Wednesday, October 25, 2006 9:01 AM 8 ■ INTRODUCTION attempt to install the package with the pear command with the default configuration of PEAR. 0" to install Cannot initialize 'PACKAGENAME', invalid or missing package file Package "PACKAGENAME" is not valid install failed We suggest that, rather than modify your configuration to install alpha or beta packages by default, explicitly install alpha or beta packages if prompted to do so.
If the user needs to be authenticated, the callback function is called. The callback function here, showLogin(), simply displays the input fields and submit button that the user will use to enter the login information. When the page is redisplayed, the checkAuth() function will skip calling the showLogin() callback because the user has been authenticated. Listing 1. -- Put standard HTML here for the page, like the DOCTYPE declaration, head, title, etc. php"; /* This function will be called if the user needs to * be authenticated.
Foundations of PEAR: Rapid PHP Development by Allan Kent