The constants - http://php.net/manual/en/pdo.constants.php
JavaScript:
//src - http://stackoverflow.com/a/37123129
//You need to change that in the php.ini:
max_execution_time = 500
//or in your php script:
set_time_limit(500);
//src - http://stackoverflow.com/q/15776400
//- set_time_limit(0) at the begining of your script will disable the time limit.
//- call it from the command line, no time limit that way