Maximum execution time of 30 seconds exceeded in wp-includes\class-http.php (fatal error)

This is due to the default php script running time 30 seconds. If more than an error occurs. But not downloaded for 30 seconds, so the error pull. In fact, all aspects of security and performance considerations, is not recommended to modify php.ini and other global parameters. The easiest way is to add only the page in the implementation of the execution time of the page.

The beginning of the class-http.php add the most

set_time_limit (0);