Which PHP version to use? This is the question that we will try to answer in this article, presenting you with a detailed comparison between PHP 4 and PHP 5. PHP, or Hypertext Preprocessor, has been the most used programming language for web pages for more than 8 years now, and for an industry, which is changing every few months, this is a really big achievement. In order to stay on top of things, the PHP Team is constantly working on improving the code in every way possible.
Even though PHP 4 is no longer developed, there are a lot of scripts still using this older version, due to its proven qualities. At NTC Hosting, we believe in the power of choice. This is why we offer both the no longer developed PHP 4 and the currently supported version PHP 5, with all of our web hosting plans to form a powerful php hosting offer. And to assist in your choice, we will now take a closer look at the differences between the two most popular PHP versions.
Here are some of the most important updates:. This is one of the most important innovations in PHP 5. In PHP 4 everything, including objects, was passed by value. This has been changed in PHP 5 where everything is passed by reference. PHP Code:. This is a typical PHP 4 code - if you wanted to duplicate an object, you had to copy it and assign a new value to it. In PHP 5 the coder can simply use the "clone".
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Explain how to submit form without a submit button? New Post. Follow Post Reply. Heya, gvijayasurya. You have not asked a question. Then when you are ready post a new question in this thread. Atli 5, Expert 4TB. You can find some info on this subject here at php. PHP 3 is useless compared to 4 and 5. PHP 4 is used mostly by programmers who are hosted under it and don't have a say in the matter and, it's actually faster, but not by much. PHP 5 is the recommended choice.
It has true OOP. Finality : can now use the final keyword to indicate that a method cannot be overridden by a child. You can also declare an entire class as final which prevents it from having any children at all. Passed by Reference : 9. Anybody have phpdocumentor running with PHP5. Once again I'm wasting hours getting something which I have had running fine on the older servers to actually work in a new setup.
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