PHP Empty Function
PHP arrays can be complicated at times but with PHP empty function you don't have to worry much about it as you can use the empty function to your advantage. PHP empty function is normally used when you are dealing with too many PHP arrays. It will return true if your array variable is null or your array is empty and therefore it is a good option that can help things become easier.
However, there are many things that you should keep in mind when you are using PHP empty function. Some web developers claim that in PHP empty() is not a function but a construct and therefore it should be used wisely rather than using it all over the code as it can create more problems for you by complicating the entire code structure. One of the reasons why you should not use it often in the PHP code is because the behavior of PHP empty() is very similar to PHP isset() and therefore the code structure can go wrong if they empty function is at the wrong place.
Another thing that you should keep in mind that PHP4 and PHP5 has different opinions about the PHP empty function. In PHP4 any array that is null or empty is considered as empty, but in PHP5 properties are no longer considered as empty and therefore if you are moving from one PHP level to another then you might have to keep in mind about this change as well. If you are not sure about why your PHP code is not executing then try to search for the errors in PHP empty function as that can resolve your problems.
For beginners who are not used to using PHP empty function can visit some of the websites and see how the developers have made use of the code along with different PHP arrays. This will give you an idea about how the PHP empty function should be used without mixing it with other functions that can help you develop your website in the right way.
Posted by Michael on 2010-10-03 in the category " php "