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• error_log php.ini setting has no effect on IIS 7/FastCGI/Win7/PHP5.3.2

  - by Lucas

  I have a very strange problem with PHP 5.3.2 running on IIS 7 on a fresh Windows 7 installation. Changing the error_log configuration options in the php.ini does not seem to have any effect. I cannot change the option to point to anything other than the default location. Here is a portion of my php.ini file and the output from phpinfo() before and after changing some configuration options. Everything else seems to have taken effect except the error_log option. I have noticed that the fastcgi.logging option also appears to be stuck. A previous setup with PHP 5.3.2 on Win XP and IIS 5.5 exhibited no problems. Also, this seems to be a bit different than other PHP + error_log problems that have been posted as the configuration option is never even being recognized by PHP. display_errors = On log_errors = Off error_log = mylog.log magic_quotes_gpc = Off Directive Local Value Master Value --------------- ------------------------------ ------------ display_errors On On log_errors Off Off error_log C:\Windows\temp\php-errors.log C:\Windows\temp\php-errors.log magic_quotes_gpc Off Off After changing the configuration options to: display_errors = Off log_errors = On error_log = php_errors.log magic_quotes_gpc = On I get the following from phpinfo() Directive Local Value Master Value --------------- ------------------------------ ------------ display_errors Off Off log_errors On On error_log C:\Windows\temp\php-errors.log C:\Windows\temp\php-errors.log magic_quotes_gpc On On

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• PHP5 what's wrong with my syntax?

  - by myxospsm

  Hey, I've never developed before and I'm a bit puzzled, what is wrong with my syntax here? private static $instance; //holder of Mongo_Wrapper public $connected = true; private $mongo = null; // The mongo connection affiliation private $database = null; // The database we are working on with this function: public function mongo_connect($db_name) { if (! self::connected) { $this->mongo = new Mongo; //TODO: error handle this whole sharade: throw new Kohana_Database_Exception('Cant connect', NULL, 503); $this->connected = true; } $this->database = $this->mongo->$db_name; //set the database we are working on return $connected; } I'm sorry, wmd-editor is giving me hell posting the code. Thank you!

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• PHP5 and SOAP/WSDL?

  - by NeoNmaN

  I have a big problem right now, i need to create my own webservices but i relly don't know how, can sombardy help me? maby link to easy way to make WSDL/SOAP code? i have try NuSoap but i can't get final whit this code, pls help me. :)

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• PHP5 getrusage() returning incorrect information?

  - by Andrew

  I'm trying to determine CPU usage of my PHP scripts. I just found this article which details how to find system and user CPU usage time (Section 4). However, when I tried out the examples, I received completely different results. The first example: sleep(3); $data = getrusage(); echo "User time: ". ($data['ru_utime.tv_sec'] + $data['ru_utime.tv_usec'] / 1000000); echo "System time: ". ($data['ru_stime.tv_sec'] + $data['ru_stime.tv_usec'] / 1000000); Results in: User time: 29.53 System time: 2.71 Example 2: for($i=0;$i<10000000;$i++) { } // Same echo statements Results: User time: 16.69 System time: 2.1 Example 3: $start = microtime(true); while(microtime(true) - $start < 3) { } // Same echo statements Results: User time: 34.94 System time: 3.14 Obviously, none of the information is correct except maybe the system time in the third example. So what am I doing wrong? I'd really like to be able to use this information, but it needs to be reliable. I'm using Ubuntu Server 8.04 LTS (32-bit) and this is the output of php -v: PHP 5.2.4-2ubuntu5.10 with Suhosin-Patch 0.9.6.2 (cli) (built: Jan 6 2010 22:01:14) Copyright (c) 1997-2007 The PHP Group Zend Engine v2.2.0, Copyright (c) 1998-2007 Zend Technologies

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• Logging fatal/parse errors in PHP5

  - by PeterBelm

  I'm writing an error logging service that will be integrated into websites running on my server, that will email me error batches, etc. So I've been trying to find out if there's a way to handle fatal and parse errors, however not using the tricks to handle it in PHP code (output buffer, shutdown function). I'm quite happy to write some C code or something to handle it outside of my PHP code. I would also like to issue a redirect if possible (my sites use output buffering so there shouldn't be any headers sent). I'm pretty sure this could be done with a PHP module, but I've never written one and have no idea where to start.

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• OOP Design Question - Where/When do you Validate properties?

  - by JW

  I have read a few books on OOP DDD/PoEAA/Gang of Four and none of them seem to cover the topic of validation - it seems to be always assumed that data is valid. I gather from the answers to this post (http://stackoverflow.com/questions/1651964/oop-design-question-validating-properties) that a client should only attempt to set a valid property value on a domain object. This person has asked a similar question that remains unanswered: http://bytes.com/topic/php/answers/789086-php-oop-setters-getters-data-validation#post3136182 So how do you ensure it is valid? Do you have a 'validator method' alongside every getter and setter? isValidName() setName() getName() I seem to be missing some key basic knowledge about OOP data validation - can you point me to a book that covers this topic in detail? - ie. covering different types of validation / invariants/ handling feedback / to use Exceptions or not etc

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• Can I get an example please?

  - by Doug

  $starcraft = array( "drone" => array( "cost" => "6_0-", "gas" => "192", "minerals" => "33", "attack" => "123", ) "zealot" => array( "cost" => "5_0-", "gas" => "112", "minerals" => "21", "attack" => "321", ) ) I'm playing with oop and I want to display the information in this array using a class, but I don't know how to construct the class to display it. This is what I have so far, and I don't know where to go from here. Am I supposed to use setters and getters? class gamesInfo($game) { $unitname; $cost; $gas; $minerals; $attack; }

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• Better explanation of $this-> in this example please

  - by Doug

  Referring to this question: http://stackoverflow.com/questions/2035449/why-is-oop-hard-for-me class Form { protected $inputs = array(); public function makeInput($type, $name) { echo '<input type="'.$type.'" name="'.$name.'">'; } public function addInput($type, $name) { $this->inputs[] = array("type" => $type, "name" => $name); } public function run() { foreach($this->inputs as $array) { $this->makeInput($array['type'], $array['name']; } } } $form = new form(); $this->addInput("text", "username"); $this->addInput("text", "password");** Can I get a better explanation of what the $this->input[] is doing in this part: public function addInput($type, $name) { $this->inputs[] = array("type" => $type, "name" => $name); }

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• If OOP makes problems with large projects, what doesn't?

  - by osca

  I learned Python OOP at school. My (good in theory, bad in practice) informatics told us about how good OOP was for any purpose; Even/Especially for large projects. Now I don't have any experience with teamwork in software development (what a pity, I'd like to program in a team) and I don't know anything about scaling and large projects either. Since some time I'm reading more and more about that object-oriented programming has (many) disadvantages when it comes to really big and important projects/systems. I got a bit confused by that as I always thought that OOP helped you keep large amounts of code clean and structured. Now why should OOP be problematic in large projects? If it is, what would be better? Functional, Declarative/Imperative?

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• Learning good OOP design & unlearning some bad habits

  - by Nick

  I have been mostly a C programmer so far in my career with knowledge of C++. I rely on C++ mostly for the convenience STL provides and I hardly ever focus on good design practices. As I have started to look for a new job position, this bad habit of mine has come back to haunt me. During the interviews, I have been asked to design a problem (like chess, or some other scenario) using OOP and I doing really badly at that (I came to know this through feedback from one interview). I tried to google stuff and came up with so many opinions and related books that I don't know where to begin. I need a good through introduction to OOP design with which I can learn practical design, not just theory. Can you point me to any book which meets my requirements ? I prefer C++, but any other language is fine as long as I can pick-up good practices. Also, I know that books can only go so far. I would also appreciate any good practice project ideas that helped you learn and improve your OOP concepts. Thanks.

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• PHP: Array of objects is empty when I come to retrieve one from the array

  - by Tom

  Good morning, I am trying to load rows from a database and then create objects from them and add these objects to a private array. Here are my classes: <?php include("databaseconnect.php"); class stationItem { private $code = ''; private $description = ''; public function setCode($code ){ $this->code = $code; } public function getCode(){ return $this->code; } public function setDescription($description){ $this->description = $description; } public function getDescription(){ return $this->description; } } class stationList { private $stationListing; function __construct() { connect(); $stationListing = array(); $result = mysql_query('SELECT * FROM stations'); while ($row = mysql_fetch_assoc($result)) { $station = new stationItem(); $station->setCode($row['code']); $station->setDescription($row['description']); array_push($stationListing, $station); } mysql_free_result($result); } public function getStation($index){ return $stationListing[$index]; } } ?> As you can see I am creating a stationItem object per database row (which for now has a code and description) and I then push these on to the end of my array which is held as a private variable in stationList. This is code which creates this classes and attempts to access the properties on them: $stations = new stationList(); $station = $stations->getStation(0); echo $station->getCode(); I am finding that the sizeof($stationList) at the end of the constructor is 1 but then it is zero when we come to try to get an object from the array using the index. Therefore the error that I get is: Fatal error: Call to a member function getCode() on a non-object Please can someone explain to me why this is happening? I guess I am misunderstanding how object references work in PHP5.

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• In a PHP project, how do you organize and access your helper objects?

  - by Pekka

  How do you organize and manage your helper objects like the database engine, user notification, error handling and so on in a PHP based, object oriented project? Say I have a large PHP CMS. The CMS is organized in various classes. A few examples: the database object user management an API to create/modify/delete items a messaging object to display messages to the end user a context handler that takes you to the right page a navigation bar class that shows buttons a logging object possibly, custom error handling etc. I am dealing with the eternal question, how to best make these objects accessible to each part of the system that needs it. my first apporach, many years ago was to have a $application global that contained initialized instances of these classes. global $application; $application->messageHandler->addMessage("Item successfully inserted"); I then changed over to the Singleton pattern and a factory function: $mh =&factory("messageHandler"); $mh->addMessage("Item successfully inserted"); but I'm not happy with that either. Unit tests and encapsulation become more and more important to me, and in my understanding the logic behind globals/singletons destroys the basic idea of OOP. Then there is of course the possibility of giving each object a number of pointers to the helper objects it needs, probably the very cleanest, resource-saving and testing-friendly way but I have doubts about the maintainability of this in the long run. Most PHP frameworks I have looked into use either the singleton pattern, or functions that access the initialized objects. Both fine approaches, but as I said I'm happy with neither. I would like to broaden my horizon on what is possible here and what others have done. I am looking for examples, additional ideas and pointers towards resources that discuss this from a long-term, real-world perspective. Also, I'm interested to hear about specialized, niche or plain weird approaches to the issue. Bounty I am following the popular vote in awarding the bounty, the answer which is probably also going to give me the most. Thank you for all your answers!

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• How do you setup 64-bit PHP5 with APC?

  - by amvx

  I followed this # script on my webhost's wiki to setup a custom install of PHP5, but now theyre telling me they need to move my account to a 64-bit server, and I have no idea how to set this up. APC needs the PHP5 installation to use cgi/fastcgi. I Dunno how that applies to 64-bit or what other considerations need to be made. Does anyone have any idea how to do this, or by least changing the #script to compile using the 64-bit PHP. I'm learning so much from this site, thanks for your help.

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• Windows7 IIS7: zips don't have php5isapi.dll Can I use php.dll instead?

  - by Pete Alvin

  The page: How to Install PHP 5.2 on IIS 7and Windows Vista (and a few others) reference a mysterious php5isapi.dll which is not in the Windows install, or the zip files: php-5.3.2-Win32-VC9-x86.zip - VC9 x86 Thread Safe php-5.3.2-nts-Win32-VC9-x86.zip - VC9 x86 Non Thread Safe There was another post on stackoverflow that said it's obsolete and replaced by "fastapi" but no instructions mention this. I did find a php.dll in the zip file. Can I use that instead of php5isapi.dll? It's very frustrating trying to install basic PHP5 on Windows with MySQL.

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• Developer Day @ OOP 2001with SOA Specialized Partners

  - by Jürgen Kress

  Oracle SOA Specialized Partners like Opitz Consulting participate in our key marketing events. Therefore make sure that you start your journey to SOA Specialization! ORACLE Developer Day auf der OOP: Entdecken Sie die Einsatzmöglichkeiten und Leistungsfähigkeit der Java-Technologie! incl. Live Hacking mit Special Guest: JAVA Guru Adam Bien! Enterprise-Anwendungen leicht gemacht! Beschleunigen Sie Ihre Entwicklung mit Java. Kommen Sie zum kostenlosen Ganztages-Workshop von ORACLE auf der OOP und lernen Sie die Leistungsfähigkeit von Java kennen. Erfahren Sie mehr über die Java Strategie und die Produktroadmap, welche Einsatzmöglichkeiten Java SE für Embedded erschließt und wie sich eine SOA und BPM-Lösung auf der Basis von Java realisieren lässt. Die vielfältigen Verbesserungen von Java EE6 erleichtern den Entwicklern das Leben erheblich. Kennen Sie bereits das Potential von Java EE6? Adam Bien wird Sie mit einem Live-Hacking von den Stühlen reißen. Torsten Winterberg, Oracle Fusion Middleware ACE Director und Danilo Schmiedel stellen vor wie Java Entwickler die Oracle SOA & BPM Lösungen einbinden können. Am Nachmittag können Sie dann in einer Hands-On Session mit Ihrem eigenen Laptop Java Persistence API, Java Beans, CDI und weitere Technologien ausprobieren. In diesem kostenlosen Workshop von Oracle können Sie sich mit Gleichgesinnten austauschen, sich die neueste Technik direkt von den Oracle Experten zeigen lassen und an praktischen Programmierübungen teilnehmen. Auf dieser Veranstaltung sind Sie richtig, wenn Sie mehr über den aktuellen Status der Java Roadmap wissen wollen, mehr über Java Technologie- und Lösungen (Java SE, ME, etc) erfahren wollen, die Plattform Java EE erproben, die Vorteile der Java EE 6 für Ihre Arbeit verstehen möchten, wenn Sie auf eine Enterprise-Landschaft hochskalieren wollen, mit Java Server Faces Front-Ends erstellen, neue Entwicklungsprojekte planen oder gerade in Angriff annehmen. Registrieren Sie sich jetzt!   ICM - Internationales Congress Center München Am Messesee, Trudering-Riem 81829 München 27. Januar 2011 9.00 Uhr - 16.30 Uhr For more information on SOA Specialization and the SOA Partner Community please feel free to register at www.oracle.com/goto/emea/soa (OPN account required) Blog Twitter LinkedIn Mix Forum Wiki Website Technorati Tags: OOP,Adam Bien,Torsten Winterberg,Opitz Consulting,Oracle,SOA,SOA Specialization,OPN

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• How to explain OOP to a matlab programmer?

  - by Oak

  I have a lot of friends who come from electrical / physical / mechanical engineering background, and are curious about what is "OOP" all about. They all know Matlab quite well, so they do have basic programming background; but they have a very hard time grasping a complex type system which can benefit from the concepts OOP introduces. Can anyone propose a way I can try to explain it to them? I'm just not familiar with Matlab myself, so I'm having troubles finding parallels. I think using simple examples like shapes or animals is a bit too abstract for those engineers. So far I've tried using a Matrix interface vs array-based / sparse / whatever implementations, but that didn't work so well, probably because different matrix types are already well-supported in Matlab.

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• best way to "introduce" OOP/OOD to team of experienced C++ engineers

  - by DXM

  I am looking for an efficient way, that also doesn't come off as an insult, to introduce OOP concepts to existing team members? My teammates are not new to OO languages. We've been doing C++/C# for a long time so technology itself is familiar. However, I look around and without major infusion of effort (mostly in the form of code reviews), it seems what we are producing is C code that happens to be inside classes. There's almost no use of single responsibility principle, abstractions or attempts to minimize coupling, just to name a few. I've seen classes that don't have a constructor but get memset to 0 every time they are instantiated. But every time I bring up OOP, everyone always nods and makes it seem like they know exactly what I'm talking about. Knowing the concepts is good, but we (some more than others) seem to have very hard time applying them when it comes to delivering actual work. Code reviews have been very helpful but the problem with code reviews is that they only occur after the fact so to some it seems we end up rewriting (it's mostly refactoring, but still takes lots of time) code that was just written. Also code reviews only give feedback to an individual engineer, not the entire team. I am toying with the idea of doing a presentation (or a series) and try to bring up OOP again along with some examples of existing code that could've been written better and could be refactored. I could use some really old projects that no one owns anymore so at least that part shouldn't be a sensitive issue. However, will this work? As I said most people have done C++ for a long time so my guess is that a) they'll sit there thinking why I'm telling them stuff they already know or b) they might actually take it as an insult because I'm telling them they don't know how to do the job they've been doing for years if not decades. Is there another approach which would reach broader audience than a code review would, but at the same time wouldn't feel like a punishment lecture? I'm not a fresh kid out of college who has utopian ideals of perfectly designed code and I don't expect that from anyone. The reason I'm writing this is because I just did a review of a person who actually had decent high-level design on paper. However if you picture classes: A - B - C - D, in the code B, C and D all implement almost the same public interface and B/C have one liner functions so that top-most class A is doing absolutely all the work (down to memory management, string parsing, setup negotiations...) primarily in 4 mongo methods and, for all intents and purposes, calls almost directly into D. Update: I'm a tech lead(6 months in this role) and do have full support of the group manager. We are working on a very mature product and maintenance costs are definitely letting themselves be known.

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• PHP OOP: Am i following right way?

  - by sineverba

  I'm learning OOP (PHP). I've realized my own CRUD Class, that performs some kind of queries SQL. Btw, a Gasoline asked us to realize a smart, simple web-app where he can update prices of his gasoline (gasoline, diesel, lpg) and via an API i could recall them and display in his site. So, I did create a new Class Gasoline but it perform some methods of CRUD Class public function getPrezzoBenzina($id) { $prezzo_benzina = $this->distributore->sql('SELECT prezzo_benzina FROM prezzi WHERE id = '.$id); return $prezzo_benzina } And so on (code is pseudocode, just to explain). I could perform all my code only with help of Crud Class... without necessity of Class Gasoline. So, what I'm missing about OOP? Where am I wrong?

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• Does FP mess up your OOP skills?

  - by bonomo

  I've been learning functional programming in Haskell and F# for awhile and now when I got some skills it gets harder for me to think in OOP way and program in C# and JavaScript. Everything seems to be ass-backwards there with classes, interfaces, objects and I often stare at the screen trying to think of a better way around without using them. This is something that scares me, because I didn't have problems like that before (not knowing that the same stuff can be done in a different way). So I am concerned as I don't want to loose myself as a OOP developer, because this is what I do for living. Is it a normal thing? Shall I rather stop doing FP? How did you manage to cope with it?

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• Is OOP becoming easier or harder?

  - by tunmise fasipe

  When the concepts of Object Oriented Programming were introduced to programmers years back it looks interesting and programming was cleaner. OOP was like this Stock stock = new Stock(); stock.addItem(item); stock.removeItem(item); That was easier to understand with self-descriptive name. But now OOP, with pattern like Data Transfer Objects (or Value Objects), Repository, Dependency Injection etc, has become more complex. To achieve the above you may have to create several classes (e.g. abstract, factory, DAO etc) and Implement several interfaces Note: I am not against best practices that makes Collaboration, Testing and Integration easier

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• Can't install libapache2-mod-php5

  - by chris

  When I try to install libapache2-mod-php5, I get an error: Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help resolve the situation: The following packages have unmet dependencies: libapache2-mod-php5 : Depends: apache2-mpm-prefork (> 2.0.52) but it is not going to be installed or apache2-mpm-itk but it is not going to be installed E: Unable to correct problems, you have held broken packages. I have tried apt-get clean, update and upgrade, as well as -f install, and no change. Is there a way to fix this, or is there an easy way to manually install the php plugin?

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• nginx php5-fpm "File not found" -- FastCGI sent in stderr: "Primary script unknown"

  - by jmfayard

  so I'm trying to run for the first time the nginx web server with php5-fpm on a debian wheezy server Hitting a php file display simply File not found I have done my research (waste a lot of hours actually ;), there are a lot of people that have similar problems, yet I didn't succeed to correct it with what worked for them. I still have the same error : $ tail /var/log/nginx/access.log /var/log/nginx/error.log /var/log/php5-fpm.log | less == /var/log/nginx/error.log <== 2013/10/26 21:36:00 [error] 6900#0: *1971 FastCGI sent in stderr: "Primary script unknown" while reading response header from upstream, I have tried a lot of things, it's hard to remember what. I have put my config files on github my /etc/nginx/nginx.conf my /etc/php5/fpm/php-fpm.conf Currently, the nginx.conf configuration uses this... server { server_name mydomain.tld; root /srv/data1/test; location ~ \.php$ { try_files $uri =404; fastcgi_pass 127.0.0.1:9000; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; include fastcgi_params; } } /etc/php5/fpm/pool.d/www.conf contains listen = 127.0.0.1:9000 I have tried the unix socket version, same thing. fastcgi_pass unix:/var/run/php5-fpm.sock; I made sure the server is started $ netstat -alnp | grep LISTEN tcp 0 0 127.0.0.1:9000 0.0.0.0:* LISTEN 6913/php-fpm.conf) tcp 0 0 127.0.0.1:3306 0.0.0.0:* LISTEN 4785/mysqld tcp 0 0 0.0.0.0:842 0.0.0.0:* LISTEN 2286/inetd tcp 0 0 0.0.0.0:111 0.0.0.0:* LISTEN 2812/rpcbind tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN 5710/nginx tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 2560/sshd tcp 0 0 0.0.0.0:443 0.0.0.0:* LISTEN 5710/nginx tcp6 0 0 :::111 :::* LISTEN 2812/rpcbind unix 2 [ ACC ] STREAM LISTENING 323648 6574/tmux /tmp//tmux-1000/default unix 2 [ ACC ] STREAM LISTENING 619072 6790/fcgiwrap /var/run/fcgiwrap.socket unix 2 [ ACC ] SEQPACKET LISTENING 323 464/udevd /run/udev/control unix 2 [ ACC ] STREAM LISTENING 610686 2812/rpcbind /var/run/rpcbind.sock unix 2 [ ACC ] STREAM LISTENING 318633 4785/mysqld /var/run/mysqld/mysqld.sock Each time I modify the nginx.conf file, I make sure to relaunch this command nginx -t && nginx -s reload && echo "nginx configuration reloaded" and same thing for php5-fpm /etc/init.d/php5-fpm restart Thanks for your help :-)

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• Which is the next dominant programming paradigm? [closed]

  - by Kugathasan Abimaran

  What is the next programming paradigm when OOP get lost in the market? Or else will OOP be for ever? What is your advise for the future developers? To which paradigm should we aware of? Because, before OOP, structured programming paradigm is there with C. Don't close it Please, because I need to aware, which paradigm have the ability to withstand in future? Aspect-oriented programming. Declarative programming. Functional programming. Object-oriented programming. Any Others? This describes programming paradigm according to their kernel language.

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• Explain to me what is a setter and getter

  - by Doug

  What are setters and getters? Why do I need them? What is a good example of them in use in an effective way? What is the point of a setter and getter?

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• Extending a singleton class

  - by cakyus

  i used to create an instance of a singleton class like this: $Singleton = SingletonClassName::GetInstance(); and for non singleton class: $NonSingleton = new NonSingletonClassName; i think we should not differentiate how we create an instance of a class whether this is a singleton or not. if i look in perception of other class, i don't care whether the class we need a singleton class or not. so, i still not comfortable with how php treat a singleton class. i think and i always want to write: $Singleton = new SingletonClassName; just another non singleton class, is there a solution to this problem ?

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