What are the best practices for terminating a program opened using exec() in PHP?

When using exec() to open a program in PHP, it is important to properly terminate the program to avoid any lingering processes. One way to do this is by using the function proc_terminate() to forcefully terminate the process. This will ensure that the program is closed properly and all resources are released. 

$process = proc_open('your_program_here', $descriptorspec, $pipes);

// Do some operations with the program

// Terminate the program
proc_terminate($process);

Keywords

exec PHP program termination process management error handling

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