Download e-book for kindle: Object-Oriented PHP: Concepts, Techniques, and Code by Peter Lavin

By Peter Lavin

ISBN-10: 1593270771

ISBN-13: 9781593270773

I've got used Hypertext Preprocessor procedurally for numerous years, and had a few inkling of OOP, yet no formal advent but. i used to be pleased with the 3 introductory chapters laying the basis for the physique of the ebook. i used to be additionally in a position to enforce the periods built as examples during this booklet with a few added/modified equipment. the writer is a hugely gifted programmer and provides the reader an perception into his use and improvement of significant periods. The again hide offers this attempt as an advent to item orientated Programming, and reasonable sufficient, the strategies are transparent. The precis additionally provides this as an 'easy to stick with' advisor to OO Hypertext Preprocessor. no longer. it's something to sit down on your recliner and skim textual content and say, "Uh huh. bought it" and fairly one other to truly know the way to construct the examples and enforce them in order that it slow isn't wasted.

It is feasible to exploit this e-book to benefit OO Hypertext Preprocessor, yet merely with nice willingness to go looking all over for helping documentation to goods mysteriously brought with no rationalization. I heavily doubt any reviewer that rated this attempt hugely, stepped during the code line by way of line, bankruptcy by means of bankruptcy, coming into their very own programming notes into their code and figuring out each one step.

For me, the time required to analyze all the goods brought in each one bankruptcy to the purpose of understanding the 'why' of every step used to be over the top. a selected instance of an merchandise being brought with out right rationalization is the creation of the 'Iterator' interface in bankruptcy 10. there is not any point out that interfaces are a part of the normal Hypertext Preprocessor Library (SPL), or that the Iterator services are indexed there. no less than, within the context of the bankruptcy, that's the way it learn to me. No clarification of ways we all know the behaviors or homes. i discovered myself digging into PHP's C/C++ resource code to appreciate topics glossed over within the textual content of the e-book. additional studying on the finish of Ch. eleven, nearly chapters later, then referenced the truth that Iterator used to be a integrated functionality and the place to discover the information. a bit deeper digging unearths that during truth, reference used to be made in a single of the introductory chapters, ch. three, p.14. The 'we will not care for the main points the following, however the obtain documents have the right kind code' or the data is in other places doesn't look reader pleasant. this is often the default procedure during this publication, making it not easy to extract the information in a significant, time potent manner.

I wager i've got develop into spoiled to the books written via writer Larry Ullman and carry different tutorial texts to that ordinary. If Ullman introduces an idea, he covers the main points and has each line of code truly within the textual content of the booklet. the method of really together with the code, not only spotlight snippets, obviously factors a extra thorough proposal method at the a part of the writer and leads to transparent, simply understood reasons instead of opaque references to behaviors and definitions that the reader needs to search out.

It is excellent accomplishment simply to write a publication, and i'm thankful to all authors and this one particularly for sharing his wisdom. the fashion of analyzing required, i.e. studying pseudo 'back to entrance' in a number of sections used to be slightly disconcerting. My view is if you know item orientated Programming and doubtless already understand Hypertext Preprocessor OOP and feature a radical wisdom of the SPL, this can be a nice source. i think if this e-book have been re-packaged in order that expectancies for the content material have been various, it might be a 5-star booklet. the information won from stepping via turns out to be useful and lasting, and dear time-wise.

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Book Page 16 Friday, May 5, 2006 2:25 PM And there are other considerations besides code compatibility. After learning the ins and outs of OOP with PHP 5, will you actually be able to make use of it? Are there actually servers out there running PHP 5? Adoption of PHP 5 As of this writing PHP 5 is hardly a bleeding-edge technology. It has been available for more than a year, and there have been a number of bug fixes. It’s a stable product. Where developers have control over web server configuration there’s no question that upgrading to PHP 5 will be beneficial.

It is perhaps clearer now how a public method is an interface. A public method mediates between a data member and a user programmer in the same way that the front end of a database mediates between a user and the data. Controlled access to the data simplifies how a class is used and, in so doing, helps preserve its integrity. The Constructor In Chapter 4, you saw how the class name functioned as a special method called the constructor. However, PHP 5 changes the way that objects are constructed.

Knowing the MIME type will be necessary when you want to output your image. The appropriate, image-specific imagecreatefrom function ( ) is called and a resource is returned. The actual thumbnail is created by manipulating this resource in the createThumb method. Two parameters are passed to the constructor. The parameter $file is required; $thumbnailsize is optional because it has a default value. The $file variable tells your class where to find the image that is to be reduced, and $thumbnailsize indicates the dimension that it will be reduced to.

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Object-Oriented PHP: Concepts, Techniques, and Code by Peter Lavin


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