(PHP 8 >= 8.3.0)
posix_sysconf — Returns system runtime information
$conf_id
): intReturns system runtime information.
conf_id
Identifier of the variable with the following constants
POSIX_SC_ARG_MAX
, POSIX_SC_PAGESIZE
POSIX_SC_NPROCESSORS_CONF
, POSIX_SC_NPROCESSORS_ONLN
Returns the numeric value related to conf_id
Example #1 posix_sysconf() example
Returns the number of active cpus.
<?phpecho posix_sysconf(POSIX_SC_NPROCESSORS_ONLN);?>
The above example will output:
2