Closes process file pointer
pclose ( resource $handle ) : int
The file pointer must be valid, and must have been returned by a successful call to popen().
Returns the termination status of the process that was run. In case of an error then -1 is returned.
Note: If PHP has been compiled with --enable-sigchild, the return value of this function is undefined.
<? $handle = popen('/bin/ls', 'r'); pclose($handle); ?>