Free Trial

Safari Books Online is a digital library providing on-demand subscription access to thousands of learning resources.

  • Create BookmarkCreate Bookmark
  • Create Note or TagCreate Note or Tag
  • PrintPrint

5.1. User Input

Three techniques can be used to pass data that drives the querying process in a web database application:

  • Manual entry of a URL to retrieve a PHP script resource and provide parameters to the resource. For example, a user may open a URL using the Open Page option in the File menu of the Netscape web browser.

  • Data entry through HTML <form> environments. For example, <form> environments can capture textual input, and input is made by selecting radio buttons, selecting one or more items from a drop-down select list, clicking on buttons, and through other data entry widgets.

  • Embedded hypertext links that can be clicked to retrieve a PHP script resource and provide parameters to the script.


  

You are currently reading a PREVIEW of this book.

                                                                                                                    

Get instant access to over $1 million worth of books and videos.

  

Start a Free Trial


  
  • Safari Books Online
  • Create BookmarkCreate Bookmark
  • Create Note or TagCreate Note or Tag
  • PrintPrint