exit()

PHP: exit - Manual

You can use die("Error message goes here if any");

Use "die" if there is an error of "exit" if you simply want to terminate normally your script.

I have never seen "die" used outside of a database scenerio, input or output, connecting to db etc... I don't think any of the books I have use that particular call outside these scenerios even.

There are variables you can put inside exit() to get error codes etc... back but personally in the situations I use exit, there wouldn't be any error codes due to how I write my code.

You can just type:

It will stop execution of the program. If you are trying to exit out of a loop, depending on how many levels you are in you can just use:

break;

Which will break out of the current loop and either exit the loop OR break out of the level it is currently in and go up one level in the looping sequence you have.

If you code recursion loops it is good idea to use "break" to limit or prevent infinite loops.

die() is just an alias for exit() so there is absolutely no difference in how to use it or what it does.

So die() is not only equivalent to exit(), it is actually the exact same function just with a different name.

PHP: List of Function Aliases - Manual

Personally I prefer to always use the master functions instead of their aliases.

Manfred is right.. however using any of these functions is not too much recommended in my opinion.. is 95% of the cases there is always a better solution and more user friendly solution.

I always use my own defined function where I nicely include the footer (to make sure the page still looks normal) displaying the error and then offering alternative places to go (and of course logging for me to fix the error).

like Manfred Ekblad said..

die and exit has no difference die is just an alias of exit..

i both use them in different cases..