php的控制流程[关闭]

Question

I have a php script example1.php

How would the control flow be when I call another php script example2.php from example1.php.

E.g example1.php looks like this

....
...
....
shell_exec("php -q example2.php") (calling example2.php from example1.php)
.....
.....

How does the control flow work for this ? Does example1.php wait until example2.php completes execution and then continious with rest of code logic or does it just continues allowing example2.php to run independently ?

Thanks !

Answer 1

shell_exec() executes the shell command and waits for it to finish. The fact that the command you're running is php is irrelevant.