PHP 5 Recipes: A Problem-Solution Approach (Problem-Solution by Frank M. Kromann, Jon Stephens, Nathan A. Good, Lee Babin

By Frank M. Kromann, Jon Stephens, Nathan A. Good, Lee Babin

Hypertext Preprocessor five (the re-creation of the world's preferred server-side scripting language) used to be unleashed at the international past this yr, and has long gone down a typhoon with personal home page builders around the world - all of the top enjoyed positive factors from personal home page four were maintained, together with tremendously more suitable object-oriented aid, SimpleXML, SQLite, and plenty of extra. This booklet saves builders gigantic quantities of time by means of offering them with the full code for all the universal coding difficulties they're prone to face while utilizing personal home page of their daily paintings. Over 2 hundred recipes may be incorporated for subject matters similar to math, date and time, arrays, general expressions, variables and features, internet fundamentals, HTML varieties, database entry, automation, defense, photos, internationalization and localization, and lots more and plenty extra. As an additional bonus, the booklet starts off with an in-depth dialogue of Hypertext Preprocessor five object-oriented recommendations and method, to get you in control on OOP with personal home page - the place to exploit it, the place to not use it, the best way to use it. OOP is revisited continuously in the course of the publication, offering the reader with the main glossy suggestions on hand.

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Extra info for PHP 5 Recipes: A Problem-Solution Approach (Problem-Solution Approach)

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We will discuss how these are handled in PHP 5 in due course. 21 5092_Ch02_FINAL 22 8/26/05 9:46 AM Page 22 UNDERSTANDING BASIC CONCEPTS Other topics we will cover in this chapter include the following: • Creating, copying, and destroying objects • Creating class diagrams • Finding the methods and properties of an object • Overriding methods and using polymorphism • Creating classes and objects dynamically By the time you have finished reading this chapter, you will have a good grasp of how classes and objects work in PHP 5, how they might prove useful in applications, how to obtain information about them, and the key differences between PHP 4 and PHP 5 in this regard.

This can be helpful to keep track of a given script’s past and could potentially be used to track changes to the document. This is not meant to be used as a revision control system, however, as there are other, more powerful methods available for this. ", getlastmod()) . "
"; //June 01 2005 20:07:48. > June 01 2005 20:07:48. A truly powerful way to keep in touch with your script is using the predefined variable $_SERVER. By feeding this variable arguments, you can extract valuable server- and scriptrelated information.

If (isset ($_POST['searchterm'])){ //Then we would perform our search algorithm here. } else { //Or else, we generate an error. echo "You must submit a search term. > You must submit a search term. Please click the Back button. 1-9. Getting Information About the Current Script Sometimes while developing it can be prudent to find out information about the environment you are developing in and also where certain aspects of the script stand. For an all-encompassing look at everything you would ever need to know about your version of PHP (but were afraid to ask), you could do worse than calling the function phpinfo().

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