Hi,
I would appreciate help with the following. I am trying to implement a
cancel button on in a php application. In this application a person can
login to his/her account and access a database.
The PHP file that I am working on contains some input boxes and some
pull down lists. According to the user's input and some choices the
mypictures.php
will
1) make select statements from the database (I am using MySQL)
2) in a loop has a grep statement that looks for pictures stored in the
database
3) call an excutable file called generatepicture and generatepicture
also calls another excutable gatherparts
A cancel button will be useful when a user makes a big request and then
decides to cancel.
This is a php and linux question as inside my php file there is a loop
and inside the look there is a call "system" call that executes a shell
script item #3 listed above. Inside this shell script th! ere are
serveral calls to execute executables from a third party software
One problem I have is that the php file is rendering itself so I'm not
sure where or if the cancel can be placed or if it will be functional
on the mypictures.php page. Let us say I have solved this problem with a
pop up window that contains the cancel button.
My next linux related problem is that I want to stop the mypictures.php
page itself and I want to stop any exectuables is has started.
I plan on having the cancel button redirecting the user to a fresh new
page but before redirecting I would like to stop the three processes
that I mentionned ie. select statements, grep statement and most
importantly the executables that get called in the background.
I have had problems with the server getting tied up because some of the
executables kept on running.
How do I stop these processes? Should I or could I use the kill command
if so how wou! ld I find the process ID of the original mypictures.php
and any of the executables it has called.
Thanks!
I would appreciate help with the following. I am trying to implement a
cancel button on in a php application. In this application a person can
login to his/her account and access a database.
The PHP file that I am working on contains some input boxes and some
pull down lists. According to the user's input and some choices the
mypictures.php
will
1) make select statements from the database (I am using MySQL)
2) in a loop has a grep statement that looks for pictures stored in the
database
3) call an excutable file called generatepicture and generatepicture
also calls another excutable gatherparts
A cancel button will be useful when a user makes a big request and then
decides to cancel.
This is a php and linux question as inside my php file there is a loop
and inside the look there is a call "system" call that executes a shell
script item #3 listed above. Inside this shell script th! ere are
serveral calls to execute executables from a third party software
One problem I have is that the php file is rendering itself so I'm not
sure where or if the cancel can be placed or if it will be functional
on the mypictures.php page. Let us say I have solved this problem with a
pop up window that contains the cancel button.
My next linux related problem is that I want to stop the mypictures.php
page itself and I want to stop any exectuables is has started.
I plan on having the cancel button redirecting the user to a fresh new
page but before redirecting I would like to stop the three processes
that I mentionned ie. select statements, grep statement and most
importantly the executables that get called in the background.
I have had problems with the server getting tied up because some of the
executables kept on running.
How do I stop these processes? Should I or could I use the kill command
if so how wou! ld I find the process ID of the original mypictures.php
and any of the executables it has called.
Thanks!
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