posix_sysconf

posix_sysconf

Returns system runtime information

int **posix_sysconf** int $conf_id

Returns 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``POSIX_SC_CHILD_MAX``POSIX_SC_CLK_TCK

Returns the numeric value related to conf_id

Voorbeeld: example

Returns the number of active cpus.

<?php
echo posix_sysconf(POSIX_SC_NPROCESSORS_ONLN);
?>

2