Maximum execution time seconds exceeded in

Fatal error:maximum execution of seconds exceeded in

Sometimes it is not optimized to run large Web sites or millions data, as fatal Error:maximum execution time of the seconds in error. So what's the reason for that, from the English meaning we can see that is more than the maximum limit of the script run time, the PHP system defaults to 30 seconds oh, if more than will appear the following error OH.
Let's look at how to improve the time to run too long solution.
With a set_time_limit ($secon) function in PHP
$cecon is a value of int in seconds
Such as
Set_time_limit (30);

It means that after 30 seconds. This program is executed, it will come out error provided. If you want to make the page never expire, set the parameter to 0 on the line.

Set_time_limit (0);

Let's take a look at the relevant page of this function.

Http://www.111cn.net/phper/24/9cf9c45340383d6f7601073018e3b9ed.htm