(PHP 5, PHP 7)
proc_get_status — Get information about a process opened by proc_open()
$process
   )proc_get_status() fetches data about a process opened using proc_open().
   An array of collected information on success, and FALSE
   on failure. The returned array contains the following elements:
  
| element | type | description | 
|---|---|---|
| command | string | The command string that was passed to proc_open(). | 
| pid | int | process id | 
| running | bool | TRUEif the process is still running,FALSEif it has
       terminated. | 
| signaled | bool | TRUEif the child process has been terminated by
       an uncaught signal. Always set toFALSEon Windows. | 
| stopped | bool | TRUEif the child process has been stopped by a
       signal. Always set toFALSEon Windows. | 
| exitcode | int | The exit code returned by the process (which is only
       meaningful if running is FALSE).
       Only first call of this function return real value, next calls return
       -1. | 
| termsig | int | The number of the signal that caused the child process to terminate
       its execution (only meaningful if signaled is TRUE). | 
| stopsig | int | The number of the signal that caused the child process to stop its
       execution (only meaningful if stopped is TRUE). |