Php update database interruption Solution

Solution:
Set_time_limit (900 );
This function specifies the maximum execution time of the current php script,
Although the value is set to 900 seconds
Maximum execution time = max_execution_time value in php. ini-time when the current script has been executed + Set Value
If max_execution_time = 30 in php. ini and the current script has been executed for 10 seconds, then:
The maximum execution time is 30-10 + 900 = 920 seconds.
After this modification, the PHP script successfully updates 200000 records.

The above is passed in the LAPP environment.
In addition, it is said that this method is invalid in windows. In windows, you must specify the max_execution_time value in php. ini.
Not tested.