(PHP 5, PHP 7)
proc_nice — Change the priority of the current process
proc_nice() changes the priority of the current
process by the amount specified in
increment will lower the priority of the
current process, whereas a negative
will raise the priority.
proc_nice() is not related to proc_open() and its associated functions in any way.
The increment value of the priority change.
TRUE on success or
FALSE on failure.
If an error occurs, like the user lacks permission to change the priority,
an error of level
E_WARNING is also generated.
proc_nice() will only exist if your system has 'nice' capabilities. 'nice' conforms to: SVr4, SVID EXT, AT&T, X/OPEN, BSD 4.3. This means that proc_nice() is not available on Windows.